Advantages and disadvantages of asphalt shingles
The advantages of long life, the appearance of unparalleled beauty, the villa will basically use, wind 9 (nail nail up)
The disadvantage is that there are always black businessmen cut corners, there is fading, falling sand, cracking so be sure to choose a warranty of the manufacturers, to ensure that do not fade off the sand does not crack,
Asphalt tile defects: first, asphalt tile easy aging. To February 2009 so far, in the United States, asphalt tile life is generally only ten years. Second, the asphalt shingles use sticking plus nail laying method. Bonding of the asphalt tiles on the roof of the board is supplemented by a certain amount of wind, but in the cast-in-place concrete roof, the nail is mainly dependent on the bonding, often bonding is not strong or glue failure, , It will be blown away. Third, asphalt shingles poor flame retardancy. However, it is often difficult to distinguish between asphalt tiles products, because until February 2009, manufacturers refused to disclose the relevant technical information.
Asphalt tile advantages: First, the shape of a wide range of applications. Second, insulation, insulation. Third, the roof bear light weight, safe and reliable. Fourth, the construction is simple, low overall cost. Fifth, durable, no broken worry. Sixth, rich colors, beautiful environmental protection, seventh, waterproof, corrosion-resistant, eighth, wind, dust self-cleaning.
