Test & Standard | 21 lbs | 23 lbs | 29 lbs | 37 lbs |
CLASS a Fire ASTM E108 | Pass | |||
Nail Sealability Modified ASTM D1970 | Pass | |||
Water Permeability ASTM E96 | No Dripping | |||
Water Transmission ASTM D4869 | Pass | |||
Tear Strength ASTM D4533 | MD 20 lbs CD 17 lbs | MD 15 lbs CD 17 lbs | MD 18 lbs CD 21 lbs | MD 57 lbs CD 45 lbs |
Tensile Strength ASTM D751 | MD 65 lbs CD 52 lbs | MD 80 lbs CD 65 lbs | MD 85 lbs CD 84 lbs | MD 115 lbs CD 128 lbs |
Elongation ASTM D751 | MD 19%/CD 18% | MD 19%/CD 18% | MD 19%/CD 18% | MD 19%/CD 19% |







1. wrapped with steel sheet, then tied by steel strip vertically.
2. Protected by steel inner and outer retainer on each side of the coil, the tied by steel strip transversely.
Delivery:
In normal, we can delivery you within 20-30days.
Since established, we have exported our products such as aluminum drip edge, metal drip edge, metal flashing, aluminum soffit, aluminum gutter coil and coil nails to many markets and areas of the North America. We also can manufacture products with special specification according to customer's requirment.
Since 2011, we established our own trading company and started to expand our business. If you have any need about our products, please do not hesitate to contact us. We are looking forward to cooperating with you







Q:Is Roof Underlayment Necessary?
A:Underlayment is an important component to the overall roof system as it serves as an extra layer of protection for your roof. Roof underlayment will:Protect against moisture penetrating through the roof, resulting in leaks.Add extra insulation to your home to keep it from being drafty. Absorb noise from rain or other elements on the roof.Ensure that the roofing material laid on it looks uniform and even . * Keep your roofing warranty valid if applicable.
Q:What Is Synthetic Roof Underlayment?
A:Synthetic underlayment is a roofing accessory composed of laminated polypropylene or polyethylene plastic that goes over the roof deck and serves as an extra layer of protection from the elements for a roofing system. It has excellent durability as the material does not absorb moisture. This makes it the right material to choose when drying in a roof.