Asphalt shingles are the most common roofing materials for steep roofs used today.An asphalt shingle is made out of many layers.The top layer consists of granules imbedded in asphalt and a seal-down strip.In the core of a shingle there is a fiberglass mat.The longevity of a shingle depends on the quality of the asphalt,the amount of asphalt used, and the quality of the fiberglass mat.

There are many different colors, textures, and patterns. The two styles of shingles are single-layer shingles and laminated shingles.There are many shapes of single-layer shingle,such as:3-tab shingles,square shingles(Mosaic pattern),rhombic shingles(Gothic pattern),scale-shaped shinlges.

Items	Description
Length	1000mm ±3mm
Width	333mm±3mm
Thickness	2.6mm~2.8mm per layer
Colors	wide variety of colors available
Packing	21pieces/bundle, 42bundle/pallet
Weight	25kg±1/bundle
Warranty	20years, 30years, 50years, 70years
Installed area	3.1m2 / bundle