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Anti Skid Roofing Asphalt Shingles Underlayment 380N Tensile Strength

Place of Origin Hebei China
Brand Name Jianda
Certification CE, ROHS
Model Number YAP 500, YAP 2200
Minimum Order Quantity 100 rolls
Price for discussion
Packaging Details packed in rolls with pallet or customized
Delivery Time 10--15 work days
Payment Terms L/C, T/T
Supply Ability 1000 rolls per day

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Product Details
Width 1000mm Thickness 0.9mm
Length 25000mm Gram Weight 550g/m2
Tensile Strength 380N Elongation 30%
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underlayment for asphalt shingles


paper under shingles

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Product Description

Anti Skid Roofing Waterproof Barrier Asphalt Shingles Underlayment Roofing Roll




Anti skid roofing waterproof barrier asphalt shingles underlayment roofing roll  YAP 500 is  consists of a polyester body impregnated with oxidized asphalt. One side is coated with a polypropylene cloth and the other side with fine sand. The product can be used on roof slopes down to 10 degrees. The sanded side is turned downwards when mounted. The adhesive edge is used to get a tight and concealed attachment.

Anti Skid Roofing Asphalt Shingles Underlayment 380N Tensile Strength 0



width 1m
length 12m, 25m
thickness 0.9mm
weight 500g/m2
cold flexibility -15degree no cracks
waterproof seal at 200mm rpm
tensile strength length 525N/5cm
Tensile strength cross 400N/5cm





The Roofing Underlay protects the roof against rain, snow and wind. The material allows internal water vapor to be transported out through the material while it is water and airtight from the outside. The good properties as regards to vapor transport protects against moisture and condensation problems.


The roofing underlay has double adhesive edges, which allows a secure sealing at the overlap. The low weight and the large covering area of the rolls makes installation simple and quick.

Anti Skid Roofing Asphalt Shingles Underlayment 380N Tensile Strength 1

Data sheet:


Series Test item Test method Technical index
      YAP 500
1 Thickness EN1849-1 1.0mm
2. Gram weight EN1849-1 500-600g/m2
3. Tensile strength Vertical 2in/N EN12311-1 ≥400N
    Horizontal 2in/N   ≥300N
4 Elongation Vertical   ≥25%
    Horizontal   ≥25%
5 Tear strength Vertical EN12310-1 ≥100N
    Horizontal   ≥100N
6 Not permeable EN1928 20Kpa 24h
7 Low temperature EN1109 -20℃
8. Size stability EN1107-1 ≤2%
9. Thermal aging Pull retention rate EN13859 ≥90%
    Elongation retention rate   ≥80%
    Low temperature flexibility   -15℃
    Dimension change rate   ≤2%




asphalt shingles underlayment YAP 500 is used as roof underlayment under shingles and tile or other wooden roof projects.


Features and Benefit:


1.High tensile strength(more than 400N/5cm)

2.with adhesive band on both side (easy for junction)

3. back side is sand, have the advantage of anti-skid,  keep the worker's safety.

4.economical waterproof material