2011年7月27日星期三

Large stone coated metal stone coated metal roof  waterproofing system dedicated
  
Key points: energy, water
Origin: Beijing
Marketers: Beijing Cade Hill Metal Roofing Technology Co., Ltd.
Scope: Metal roofing of large factories, commercial buildings, exhibition halls, warehouses
Project: Hong Kong Disneyland, the Beijing Olympic Games Canoe Museum, Tianjin, Kerry Center, Beijing Bailiwei logistics, Fok Ying Tung logistics center, Miami International Airport
Beijing Cade Hill Technology Co., Ltd. metal roofing Cade waterproof coating for the U.S. company's branches in Beijing, China, dedicated to green waterproof coating development, production and sales, has 24 years of history. Products throughout the world. Company engaged in the stadium, factories, warehouses, workshops, hangars and other large metal roof waterproofing, insulation and other technical fields. In dealing with complex issues and waterproof the roof of the node has a wealth of technical problems such as experience and leading technology. In recent years, China has achieved very successful results.
 
Hall of large commercial buildings are popular with modern strong metal roofing, metal roofing materials, but because of the special nature should be used for metal roof waterproofing materials, in order to ensure the waterproof effect. Beth waterproofing system composed of three materials, specifically for large-scale steel metal roofing and roof insulation and design, at home and abroad for the best metal roofing material for processing. Beth Beth primary waterproofing system consists of paint, Top surface coating, woven polyester fabric sewn group of three materials, professional handling complex waterproof roofing important nodes: through the roof of the complex set of pipes, fans, air duct, air conditioning and other equipment base , lighting board joints, drainage gutters, roof lap joint and so on.
 
Advantages:
1, excellent weather resistance
Ideal for high UV, cold winter region. Good resistance to UV, acid capacity and excellent low temperature flexibility (-50 → ~ +88 →). Withstand a variety of harsh conditions.
2, good insulation properties - the "cold roof" system
    Strong light during the hot summer conditions, reflecting most of the sunlight, rapid accumulation of heat can launch grass-roots level to keep the roof low temperature. Roof for metal roofing can reduce severe expansion and contraction, thus prolonging the duration of the use of roofing materials; while cold roof systems can reduce roof temperature of 23 →, air conditioning cost savings of 20% to 60%, can effectively reduce the indoor temperature to large buildings reduce air conditioning operating costs.
edited by stone coated steel roofing

2011年7月23日星期六

Metal roofing catalog
First, the definition of metal roofing
Second, the metal roof type
Third, the metal roofing material
Fourth, the metal roofing system
1) up side bite System 2) roofing system 3) classic buckle cover system 4) Flat lock systems 5) flat slab system, 6) pressure plate system 7) cell plate systems 8) metal roofing system
Fifth, metal roofing design factors to be considered one, the definition of metal roofing
Second, the metal roof type
Third, the metal roofing material
Fourth, the metal roofing system
1) up side bite System 2) roofing system 3) classic buckle cover system 4) Flat lock systems 5) flat slab system, 6) pressure plate system 7) cell plate systems 8) metal roofing system
Fifth, metal roofing design factors to be considered
Edit this paragraph a start, the definition of metal roofing
Metal roofing is the use of sheet metal as the roof material, the structure layer and waterproof layer into one of the roof form. Many different types of sheet metal, zinc plate, galvanized plate, aluminum plate, aluminum-magnesium alloy plate, titanium plate, copper, stainless steel panels. Thickness of 0.4 ~ 1.5mm, the surface of the general board for coating processing. As the quality of different materials and coatings, and some panel life of up to 50 years. The production of a variety of plate shape, and some composite panels, about two layers of insulation composite sheet metal in between, and some for the board, the construction, some panels in the plant is completed on-site assembly, according to some roofing projects require on-site processing. Insulation and some good in the factory compound, can also be produced in the field. So the sheet metal roof forms, from large public buildings to factories, warehouses, housing, etc. are used. Therefore, sheet metal roofing specification scope is waterproof grade I ~ III-class roof. [1] Edit this paragraph two, the metal roof type
Roof to roll joints sealed together design, production and design of the construction site with the same length of roof, installed after the roof construction without its connection, and there is no exposed screws, in addition to the appearance of the roof to ensure the integrity of the building, both Premium waterproof, anti-seepage, anti-snow function. Board design 65 and 75 mm high rib rib up from from 300 to 500 mm with high-performance drainage section, an effective solution to low-slope roof (> 1.5 °) water and drainage problems. faszip65-420R and 75-400R of the plate specially designed to enhance board reinforcement ribs to increase structural strength, and building exterior lines to provide more texture, the main supply in southwest China market.
  Contact: 4008862300
65-300/400/500 board design more supple plastic, inside and outside the arc shape to fit the size of architectural design; and 75-380/480 board design while retaining the plasticity, the special height rib tank to 75mm, with a thick composite double-layer bottom plate roof system, more suitable for coastal typhoon rain-fed areas. Features without its connection, no screw holes, made the building the appearance of integrity within the arc can be curved and the outer arcs choice of different materials and colors overall structural waterproofing, drainage can be used to slope down to 1.5 ° of roofing excellent performance of wind pressure (with the bottom plate), especially for typhoons, storms are more areas to eliminate the pressure generated by thermal expansion and contraction is simple, fast machine roll together, convenient and economic to facilitate the laying insulation sound-absorbing layer without chemical caulking compounds, eliminating the problem of pollution and aging roof may need to maintain production at the site easy to stand upright double 80-400/420 quick lock side, roof and the use of 360 pairs of folding bracket bite mode, Edge is a seal can be folded up and the standing seam, standing seam this fully engaged with the bracket to form a continuous weather roof, so water is basically no chance to enter the building. Holder's consideration of thermal displacement, making the plate in the length direction of the relative displacement can be produced, eliminating the stress generated when the roof inflated. Edit this paragraph three, metal roofing material
All roof and exterior structure of the roof imported dedicated AA3004 series Al-Mg-Mn alloy sheet production; other special items can be equipped in accordance with the 3004 Al-Mg-Mn alloy, stainless steel 304 / 316, copper or titanium metal building dedicated . Special aluminum alloy for the production of roofing systems, the useful life of the main building with the same [British standard BS5427: 1976]. Al-Mg-Mn alloy sheet pre-painted and can be accompanied by another American or Australian imports of construction-specific PVDF / PVF2 polyvinylidene fluoride / color coating fluorocarbon resin paint system, used in industrial and civil construction, and painted life span 15-20 years, depending on atmospheric conditions []. 3105 * 3005 and other aluminum alloy is also a common European roof and wall materials. * If the requirements for the maritime climate, better corrosion resistance can be equipped with aluminum-magnesium alloy 5005 and 5052. * 3004 H44 aluminum-magnesium alloy of aluminum, manganese one. H44 is the layer and annealing condition. Edit this paragraph four, metal roofing system
1) up side seam system
(1) the overall structural waterproofing, drainage, regardless of how the building shape, can fully engaged seams, no nail holes throughout the roof, the roof can either make changes in the free expansion temperature to prevent thermal stress, but also put an end to the screw by the system fixation caused by the leakage risk. (2) No chemical caulking compounds, eliminating the pollution and aging. (3) the overall maturity of the roof openings and lightning protection system design. (4), good ventilation, maintain the overall structure of the long-term natural drying, to extend the building life. (5) specific three-dimensional curved arc shape and easy processing. (6) structure is simple, lightweight, safe, high strength and resistance to negative pressure in the typhoon, heavy rain area is especially suitable. (7) also applies to the old roof in the old house renovation and construction of new roof surface. (8) construction of safe, simple, fast, accurate and economical.
2) roofing system
(1) is a lightweight, high strength, waterproof, corrosion-resistant, highly adaptable and environmentally friendly system, easy and other building materials and systems integration. (2) stand side bite plate and the plate, no leakage of the lap joint problems, waterproof and reliable. (3) exhaust port, sunroof, pipeline exports directly piercing, using welding accessories, to ensure water tightness. (4) bearing occlusal side and the formation of hidden connections, solve the resulting thermal expansion and contraction due to destructive. (5) bearing insulation pads, a metal roofing system to solve heat conduction problems. (6) the advantages of low weight system to the roof renovation, transformation, have the advantage.
3) classic buckle cover system
(1) the overall structural waterproofing and drainage functions. (2) without chemical adhesive caulk caulking, remove the pollution and aging. (3) natural circulation ventilation structure, to extend the building life. (4) simple structure, compact and safe.
4) Flat lock systems
(1) the overall structural waterproofing and drainage functions. (2) without chemical caulking compounds, eliminating the pollution and aging. (3) natural circulation ventilation structure, to extend the building life. (4) specific three-dimensional curved arc shape and easy processing. (5) simple structure, lightweight, safe, diverse grid. (6) construction safety, fast, accurate and economic
5) flat slab system
Is a difficult process to use the sheet metal panel system, requiring stainless steel, titanium and other metal surfaces smooth, and double waterproof, so the system has within the collection tank. Mainly used for difficult to process the plate.
6) pressure plate system
For simple roof structure, the sheet metal roofing systems, is the most economical system, widely used for civil and industrial buildings public buildings roof, such as stadiums, awning, exhibition halls, stadiums, auditoriums, industrial plants and other buildings.
7) cell plate systems
(1) the use of air pressure chamber works such as water, and there will be a small amount of water within the tank discharge guide. (2) without chemical caulking compounds, eliminating the pollution and aging.
8) metal roofing system
360 ° double-crimping fully supported roofing system, water filling without other auxiliary materials, roof ribs to 360 ° folding electric lock closure, to win the title of the roof off completely impermeable, waterproof. Roof can make a special three-dimensional processing into the arc, arc of different sizes can be installed into the dome. The board has a high rib, in improving the water resistance, this can also make the roof line is more obvious, and available materials in addition to steel, there are aluminum, stainless steel, titanium and other metals zinc and copper, making the more colorful metal roofing . Choose a variety of materials up to roof and wall systems have the choice of material, its up to 88% material utilization, for the discerning architects use materials, precious metals as a roofing system provides a convenient and possible, to enhance the overall roof waterproofing effect and construction grade at the same time, access to good economic indicators of performance. For selection of materials: titanium, copper, titanium zinc, copper, stainless steel, magnesium manganese alloy, anodized aluminum, galvanized steel and so on. Features: 1. Overall structural waterproofing, drainage features; 2 structure is simple, lightweight, safe; 3 construction and installation of flexible, rapid, accurate, and the economy; 4 without silicone caulking, silicone to avoid pollution problems of aging, life extension ; 5 natural cycle of ventilation structure, increase life expectancy; 6 three-dimensional curved arc shape easily; edit this paragraph five, metal roofing design factors to be considered
Bearing to withstand construction loads, rain, dust, snow pressure, maintenance load. Performance and load-bearing metal roof plate section properties, the strength of the material thickness, the force transmission means, purlins (Vice purlin) spacing on. Maximum wind pressure resistance of local wind pressure, the metal roof will not be pulled off the negative air pressure. Wind resistance and the metal roof and the bracket buckle together, the bracket density. Prevent the spread of noise from the outdoor sound indoors or outdoors from the interior spread. Fill in the layer of metal roofing insulation materials (usually cotton as insulation), the effect of metal roofing insulation layer on both sides of the sound intensity difference in decibels. Sound insulation and sound insulation material density, thickness. It should be noted: insulation material for different frequencies of sound barrier effect is not the same. Impermeable to prevent rainwater infiltration from the outside to inside the metal roof. Rain water mainly through the gap or overlap the node into the metal roof. Impervious to achieve the function, need to screw the mouth after using the gasket fixed with hidden, in the board's lap with sealant or welding process, it is best to use a long-pass plate to eliminate overlap, in a variety of node parts of the abdominal distension tight waterproofing treatment. Lightning the lead to ground lightning, thunder and lightning to prevent the breakdown of metal roof into the interior. Lighting during the day to improve indoor lighting through skylights to save energy. A specific location in the metal roofing panels or lighting glass lighting arrangement should be considered the life of the metal roof skylights, in coordination with the metal roof skylights connection waterproofing treatment. Safety devices on the metal roof with fixed facilities, to protect construction workers and maintenance personnel. Prevent icicles forming at the eaves to prevent icicles in the rain and snow. Aesthetic appearance of metal roofing has a good texture, pleasing color. Control thermal expansion and contraction control of the contraction of the metal roof displacement and direction. Ensure that the temperature difference between the metal roof in the area will not produce thermal expansion and contraction of stress and damage. Insulation to prevent heat transfer on both sides of the metal roof, indoor temperatures stable. Function through the roof insulation under the metal fill insulation materials (commonly used with glass wool, rock wool) to achieve the insulation effect to the U-value, the unit is W/M2K. Insulation by the following factors: cotton insulation materials, density, thickness; insulation cotton humidity, and lower metal roof structure connection (to prevent "cold bridge" phenomenon); metal roofing layer capabilities of the repeated thermal radiation. Reduce the reflection of sound-absorbing sound, reducing indoor echo. Sound-absorbing function by the underlying metal roof were laid in the sound-absorbing cotton and punching on the floor to achieve. The acoustic properties of the metal roof to a sound absorption coefficient, said. Moisture to prevent the bottom of the metal roofing and metal roofing layer water vapor condensation to drain away the water vapor layer of metal roofing. The solution is filled in the metal layer of roof insulation cotton, capped with metal roof home floor waterproof membrane, metal roof can be ventilated on the node. Fire when the fire will not burn the metal roofing material, the flame will not penetrate the metal roof. Ventilation for indoor and outdoor air exchange. Set on the metal roof vents. Anti-snow avalanche in the area of ​​the metal roof railings set on the snow block to prevent the sudden snow fall. Metal roofing material will not produce pollution-free environment, pollution, light metal roof surface without dye. Normal service life of metal roofing and the main building life should be the same as 25 years, 50 years, 100 years. Easy maintenance period in the use of metal roofing maintenance, lower maintenance costs. Metal roofing cost control construction costs.
edited by stone coated steel roofing

2011年7月21日星期四

Pittsburgh news, recent U.S. metal roofing magazine (MetalRoofing magazine) of the 2007 "Gold Medal" awarded to PPG Industries, in recognition of PPG in the field of metal roofing systems to provide outstanding products, services and other support. Metal roofingfrom the U.S. magazine's "2007 metal roofing system" is in the United States selected areas of professional metal roofing system selection, the candidate companies, including the 2007 METALCON Fair related companies and by the readers of the world-renowned American Roofing companies in the industry enjoys a high reputation.
    Duranar produced by the PPG fluorocarbon paint, metal structure is currently building the world's preferred fluorocarbon protective coating products. Duranar fluorocarbon coatings product line includes DuranarSPF UV coatings, metal roofing can help to effectively block the sun's radiation, reducing the indoor temperature to save energy. While using this product can also help fluorocarbon paint urban planning department to effectively reduce the urban heat island effect.
    Because DuranarSPF coating can be mild, moderate and deep variety of different colors to choose, so DuranarSPF in helping to reduce energy consumption of buildings, but also to dress green buildings, building designers to achieve beautiful, green design requirements. While high-performance coil and aluminum coating Duranar meet the industry's most stringent product standards, including AAMA2605 standard, the building materials market, one of the most recognized industrial coatings. In various environments, including coastal and corrosive industrial areas and other harsh environmental conditions, Duranar always paint the building to obtain the best choice for exceptional product durability.
    Not so long ago, PPG Industries Coil department has launched a new Durastar and TruformHP coil coating products, its low cost, high-end products become mainstream and Coraflon Duranar coil coating ideal substitute. Durastar and TruformHP PPG coil coating is produced by two classes fluoropolymer coatings, due to the additional fluorine's sake, making the product has high physical properties, and can be a professional color matching device, select its coated products - metal roofs, walls and other matching colors. Durastar and TruformHP coil coating in adhering to the older generation of modified silicone polyester paint (SMP) performance, while more products to expand the scope of application. Because the new products added to UV light stabilizers, so the new paint in the UV light exposure to maintain bright colors and stable physical properties, which is higher than silicone polyester coating is greatly improved.
edited by stone coated steel roofing tile

2011年7月18日星期一

What is a metal roofing system? 2011-5-2
   What is a metal roofing system?
First, the definition of metal roofing metal roofing sheet metal is used as roof material, the structure layer and waterproof layer into one of the roof form. Many different types of sheet metal, zinc plate, galvanized plate, aluminum plate, aluminum-magnesium alloy plate, titanium plate, copper, stainless steel panels. Thickness of 0.4 ~ 1.5mm, the surface of the general board for coating processing. As the quality of different materials and coatings, and some panel life of up to 50 years. The production of a variety of plate shape, and some composite panels, about two layers of insulation composite sheet metal in between, and some for the board, the construction, some panels in the plant is completed on-site assembly, according to some roofing projects require on-site processing. Insulation and some good in the factory compound, can also be produced in the field. So the sheet metal roof forms, from large public buildings to factories, warehouses, housing, etc. are used. Therefore, sheet metal roofing specification scope is waterproof grade I ~ III-class roof. [1]
Second, the metal roof type
Roof to roll joints sealed together design, production and design of the construction site with the same length of roof, installed after the roof construction without its connection, and there is no exposed screws, in addition to the appearance of the roof to ensure the integrity of the building, both Premium waterproof, anti-seepage, anti-snow function.
Board design 65 and 75 mm high rib rib up from from 300 to 500 mm with high-performance drainage section, an effective solution to low-slope roof (> 1.5 °) water and drainage problems.
faszip65-420R and 75-400R of the plate specially designed to enhance board reinforcement ribs to increase structural strength, and building exterior lines to provide more texture, the main supply in southwest China market. 65-300/400/500 board design more supple plastic, inside and outside the arc shape to fit the size of architectural design; and 75-380/480 board design while retaining the plasticity, the special height rib tank to 75mm, with a thick composite double-layer bottom plate roof system, more suitable for coastal typhoon rain-fed areas.
Feature
• No connection port, no screw holes, the full appearance of the building
* Can be bent and made from outside the arc within the arc
* Choose different materials and colors
* Overall structural waterproofing, drainage
* Can be as small as 1.5 ° for the slope of the roof
* Excellent performance of wind pressure (with negatives), especially for typhoons, storms are more regions
* Eliminate the pressure generated by thermal expansion and contraction
* Simple, fast machine roll together, construction convenient, economical
* Sound-absorbing layer to facilitate the laying insulation
• No chemical caulking compounds, eliminating the problem of pollution and aging
* No maintenance roof
* Can be produced on site
80-400/420 stand upright double-lock quick and easy side, roof and folding bracket bite method using 360 pairs, the board can be folded side is sealed up in a standing seam, standing seam this fully engaged with the bracket to form a continuous weather roof, so water is basically no chance to enter the building. Holder's consideration of thermal displacement, making the plate in the length direction of the relative displacement can be produced, eliminating the stress generated when the roof inflated.
Third, the metal roofing material
All roof and exterior structure of the roof imported dedicated AA3004 series Al-Mg-Mn alloy sheet production; other special items can be equipped in accordance with the 3004 Al-Mg-Mn alloy, stainless steel 304 / 316, copper or titanium metal building dedicated . Special aluminum alloy for the production of roofing systems, the useful life of the main building with the same [British standard BS5427: 1976].
Color Coating
The Al-Mg-Mn alloy sheet can be accompanied by another American or Australian imports of construction-specific PVDF / PVF2 polyvinylidene fluoride / color coating fluorocarbon resin paint system, used in industrial and civil construction, the color coating life of up to 15 - [20] depending on atmospheric conditions.
Other Aluminum
* Europe 3005 and 3105 also roofing and wall materials common.
* If the requirements for the maritime climate, better corrosion resistance can be equipped with aluminum-magnesium alloy 5005 and 5052.
* 3004 H44 aluminum-magnesium alloy of aluminum, manganese one. H44 is the layer and annealing condition.
Fourth, the metal roofing system
1) up side seam system
(1) the overall structural waterproofing, drainage, regardless of how the building shape, can fully engaged seams, no nail holes throughout the roof, the roof can either make changes in the free expansion temperature to prevent thermal stress, but also put an end to the screw by the system fixation caused by the leakage risk.
(2) No chemical caulking compounds, eliminating the pollution and aging.
(3) the overall maturity of the roof openings and lightning protection system design.
(4), good ventilation, maintain the overall structure of the long-term natural drying, to extend the building life.
(5) specific three-dimensional curved arc shape and easy processing.
(6) structure is simple, lightweight, safe, high strength and resistance to negative pressure in the typhoon, heavy rain area is especially suitable.
(7) also applies to the old roof in the old house renovation and construction of new roof surface.
(8) construction of safe, simple, fast, accurate and economical.
2) roofing system
(1) is a lightweight, high strength, waterproof, corrosion-resistant, highly adaptable and environmentally friendly system, easy and other building materials and systems integration.
(2) stand side bite plate and the plate, no leakage of the lap joint problems, waterproof and reliable.
(3) exhaust port, sunroof, pipeline exports directly piercing, using welding accessories, to ensure water tightness.
(4) bearing occlusal side and the formation of hidden connections, solve the resulting thermal expansion and contraction due to destructive.
(5) bearing insulation pads, a metal roofing system to solve heat conduction problems.
(6) the advantages of low weight system to the roof renovation, transformation, have the advantage.
3) classic buckle cover system
(1) the overall structural waterproofing and drainage functions.
(2) without chemical adhesive caulk caulking, remove the pollution and aging.
(3) natural circulation ventilation structure, to extend the building life.
(4) simple structure, compact and safe.
4) Flat lock systems
(1) the overall structural waterproofing and drainage functions.
(2) without chemical caulking compounds, eliminating the pollution and aging.
(3) natural circulation ventilation structure, to extend the building life.
(4) specific three-dimensional curved arc shape and easy processing.
(5) simple structure, lightweight, safe, diverse grid.
(6) construction safety, fast, accurate and economic
5) flat slab system
Is a difficult process to use the sheet metal panel system, requiring stainless steel, titanium and other metal surfaces smooth, and double waterproof, so the system has within the collection tank.
Mainly used for difficult to process the plate.
6) pressure plate system
For simple roof structure, the sheet metal roofing systems, is the most economical system, widely used for civil and industrial buildings public buildings roof, such as stadiums, awning, exhibition halls, stadiums, auditoriums, industrial plants and other buildings.
7) cell plate systems
(1) the use of air pressure chamber works such as water, and there will be a small amount of water within the tank discharge guide.
(2) without chemical caulking compounds, eliminating the pollution and aging.
8) metal roofing  system
[2]
360 ° double-crimping fully supported roofing system, water filling without other auxiliary materials, roof ribs to 360 ° folding electric lock closure, to win the title of the roof off completely impermeable, waterproof.
Roof can make a special three-dimensional processing into the arc, arc of different sizes can be installed into the dome.
The board has a high rib, in improving the water resistance, this can also make the roof line is more obvious, and available materials in addition to steel, there are aluminum, stainless steel, titanium and other metals zinc and copper, making the more colorful metal roofing .
Choose a variety of materials
Roof and wall systems have the largest selection of materials, its up to 88% material utilization, for the discerning architects use materials, precious metals as a roofing system provides a convenient and possible, to enhance the effect of roofing and building the overall grade of the waterproof At the same time, access to good economic performance indicators. For selection of materials: titanium, copper, titanium zinc, copper, stainless steel, magnesium manganese alloy, anodized aluminum, galvanized steel and so on.
Features:
1 overall structural waterproofing, drainage;
(2) structure is simple, lightweight, safe;
3 construction and installation of flexible, rapid, accurate, economical;
4. Without silicone caulking, silicone to avoid pollution problems of aging, life extension;
5 natural circulation ventilation structure, growth life;
6 Three-dimensional curved arc shape easily;
Fifth, metal roofing design factors to be considered
Bearing
Withstand construction loads, rain, dust, snow pressure, maintenance load. Performance and load-bearing metal roof plate section properties, the strength of the material thickness, the force transmission means, purlins (Vice purlin) spacing on.
Wind pressure
Local maximum wind pressure resistance, the metal roof will not be pulled off the negative air pressure. Wind resistance and the metal roof and the bracket buckle together, the bracket density.
Noise
Reached from the outside to prevent the sound from the indoor or outdoor indoor spread. Fill in the layer of metal roofing insulation materials (usually cotton as insulation), the effect of metal roofing insulation layer on both sides of the sound intensity difference in decibels. Sound insulation and sound insulation material density, thickness. It should be noted: insulation material for different frequencies of sound barrier effect is not the same.
Seepage
To prevent rainwater infiltration from the outside to the inside metal roof. Rain water mainly through the gap or overlap the node into the metal roof. Impervious to achieve the function, need to screw the mouth after using the gasket fixed with hidden, in the board's lap with sealant or welding process, it is best to use a long-pass plate to eliminate overlap, in a variety of node parts of the abdominal distension tight waterproofing treatment.
Lightning
To lead to ground lightning, thunder and lightning to prevent the breakdown of metal roof into the interior.
Lighting
Improve indoor lighting through skylights during the day, to save energy. A specific location in the metal roofing panels or lighting glass lighting arrangement should be considered the life of the metal roof skylights, in coordination with the metal roof skylights connection waterproofing treatment.
Safety devices
Set on the metal roof fixed facilities to protect construction workers and maintenance personnel.
Anti-icicle
Rain and snow at the eaves to prevent icicles formed at.
Beautiful
Metal roofing looks good texture, pleasing color.
Control thermal expansion and contraction
Control the contraction of the metal roof displacement and direction. Ensure that the temperature difference between the metal roof in the area will not produce thermal expansion and contraction of stress and damage.
Insulation
Prevent heat transfer on both sides of the metal roof, indoor temperatures stable. Function through the roof insulation under the metal fill insulation materials (commonly used with glass wool, rock wool) to achieve the insulation effect to the U-value, the unit is W/M2K. Insulation by the following factors: cotton insulation materials, density, thickness; insulation cotton humidity, and lower metal roof structure connection (to prevent "cold bridge" phenomenon); metal roofing layer capabilities of the repeated thermal radiation.
Sound-absorbing
Reduce the reflection of sound and reduce echo chamber. Sound-absorbing function by the underlying metal roof were laid in the sound-absorbing cotton and punching on the floor to achieve. The acoustic properties of the metal roof to a sound absorption coefficient, said.
Moistureproof
To prevent the bottom of the metal roofing and metal roofing layer water vapor condensation to drain away the water vapor layer of metal roofing. The solution is filled in the metal layer of roof insulation cotton, capped with metal roof home floor waterproof membrane, metal roof can be ventilated on the node.
Fireproof
Metal roofing materials when the fire is not burning, the flames will not penetrate the metal roof.
Ventilation
Indoor and outside air exchange. Set on the metal roof vents.
Anti-avalanche
In the snow on the roof area of ​​the metal railings set to block the snow to prevent a sudden fall of snow.
Pollution
Metal roofing materials will not cause environmental pollution, light metal roof surface without dye.
Normal life
Metal roof the main building life should be the same as 25 years, 50 years, 100 years.
Maintain
Facilitate the use of metal roofs in the maintenance period, reducing maintenance costs.
Cost
Control of the metal roof construction costs.

edited by stone coated steel roofing tiles

2011年7月15日星期五

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2011年7月12日星期二

Argentine media attention the problem of my business visas (2011-06-30
13:51:54)
da
Category: Latin American market demand for dynamic, June 27, the
Argentine mainstream media's "national newspaper" to invoke its Embassy
Commercial Counsellor I Yang Shi Zhai the interview, staff reported my
business visa to visit A ​​difficult situation, as well as China's
troubles and concerns, called on the Afghan side of visas as soon as
possible to solve the problem of my business.
The report said the bid for Alfonso business people usually only need a
visa to visit China for three days, and with this ready-made contrast
the Chinese business people need to bid for a visa to visit Argentina
2-3 months. A relevant report quoted officials as saying that China is
very concerned about the problem of visas, and their integration into
economic and trade committee in recent years in Afghanistan a priority
issue.
The report also quoted Yang Shi Zhai business counselor as saying that
the visa has a direct impact on the problem of Chinese enterprises and
personnel to Afghanistan to conduct normal business activities, and
thus delay the implementation of existing investments, the loss of a
number of economic and trade cooperation opportunities.
New channel of trade in Latin America, Latin American trade investment
agency activities, the detailed inquiry
http://cn.latincomercio.com/agent
edited by stone coated steel roofing