Responsible for the national asphalt shingles, shingles, glass tile sales, focus on asphalt shingles, shingles, glass tile for 20 years, quality assurance, you need to call me at any time, details see website, phone 24 hours a day, you are welcome consulting, project with tile, tile can be sold for home use, a small lot can be, the construction can also provide freight service, one-stop service, just for you need. Anyway, I guarantee the lowest price I fiberglass tire asphalt shingles is a common one in the main roofing material in which more and more people's attention. Asphalt shingles Advantages include: first, modeling and diverse, wide range. Second, insulation, thermal insulation. Third, load-bearing roof light, safe and reliable. Fourth, the construction is simple, comprehensive and low cost. Fifth, durable, no broken worries. Sixth, modeling and diverse, rich colors. Asphalt shingles is an American invention, first used in 1901, in 1911, the widespread use in parts of the United States, 1939 11 million square feet of asphalt shingles being produced. It was first developed in 1893, and called for these asphalt shingles roofing asphalt predecessor bitumen membrane preparation which is similar to but not on the surface of the particles. In 1897 the stone particles are added to the surface, the material is more durable. Species already tested include mica particles, oyster shell, slate, dolomite, fly ash, silica, and clay. In 1901, the material is cut into strips and used as a multi-piece of asphalt shingles, which is introduced for asphalt shingles are the most initial experiments and explore the history, here is the high-speed development in the United States use a large area of ??asphalt shingle introduction . 1. Product Classification 1) Products into the form of flat tiles (P) and shingling (L). 2) Press the upper surface of the protective material into mineral tablets (film) material (M) and the metal foil (C). 3) the use of child-reinforced or unreinforced longitudinal fiberglass mat (G). 2. Specifications 1) Length Recommended size: 1000mm; 2) Recommended size width: 333mm. 3. Implementation of standards GB / T20474-2006 "fiberglass tire asphalt shingles" The choice points 4.1 Scope 1) applies to reinforced concrete roof and wood (or steel frame) roofing system. Sloping roof sheathing the concrete surface should be smooth, wood sheathing should be corrosion decay process. 2) it is mainly used for low-level or multi-residential buildings and commercial buildings sloping roof. 3) applies to the roof slope of 18 ° ~ 60 °,> 60 °, should strengthen fixed measure. 4) When the asphalt shingles used alone, can be used to waterproof rating Ⅲ (a waterproof fortification and Waterproof cushion), grade Ⅳ (a waterproof fortification, unprotected water cushion); when combined use can be used to waterproof rating of grade Ⅰ (two waterproof fortification and Waterproof cushion), Ⅱ stage (one to two waterproof fortification and Waterproof cushion). 4.2 choice points 1) selection of fiberglass tire asphalt shingles should be considered the main technical indicators: tension, heat resistance, tear strength, impermeability, artificial climate accelerated aging. 2) sloping roof should not be used as a waterproof layer waterproof paint or waterproof cushion. 3) When used in concrete asphalt shingle roofing, insulation should be on top of the waterproof layer extruded polystyrene insulation material should be used in board (XPS); for wood (or steel frame) roofing, insulation layer disposed on the ceiling, insulation materials should be wool. 4) asphalt shingles are flexible tiles, on base flatness requirements more stringent, with 2m on foot detection: leveling layer surface flatness error no larger than 5mm, and not have loose, cracking, peeling and so on. 5) asphalt tile roof construction quality acceptance should be consistent with GB50207-2002 "Roof Engineering Quality Acceptance" requirement. We are [DVN], responsible for national sales [factory tile factory sold [stock] Asphalt shingles] [] [] [metal tile glass tile]. 8 years of professional production and sales of tiles, tile business has a wealth of experience, the [low quality asphalt shingles, shingles] principle, for your hospitality, details contact 156-5711-6363