|Gram Weight:||700g/m2||Roll Weight:||17.5kg/roll|
underlayment for asphalt shingles,
roof shingle underlayment
PP fabric coated roofing felt asphalt shingles underlayment YEP 700
Jianda brand YEP series roof underlayer is a new kind of waterproofing material used on slope roof which has adjusted and improved based on the YAP series and the meantime add moderated SBS,SBR and terpene resin. It is national patent and outstanding among all kinds of waterproofing materials regarding all items of physical index
Safer - YEP 700 is made up of one polyester body that is impregnated and coated asphalt. Both sides are coated with a strong and supple blanket of polypropylene that makes it non-slip.
Easier - Weighs only a quarter of traditional roofing felt. Simpler roof loading with rollers like weighs 17.5kg / roll.
Faster - YEP 700 can accommodate more than twice as much per roll than regular roofing paper.
Closer - Double adhesive
Fewer joints and wider joints. YEP 700 can be nailed or stapled.
Roofing Underlay is used as a water diverting layer beneath the roof. It leads out unwanted condensation and eventual rain water that made their way into the roof. This prevents moisture from entering the structure.
length: 25m, 30
tear strength: MD:500 /CD:500N
tensile strength: MD: 15 /CD: 15kN/m
Elongation: MD: 15 /CD:15%
water tightness: tight at 200mm water column
stepping throug test: >2.2kN
|Tensile(Length) (N)||436.40||448.70||462.10||451.40||393.70||438.46||485±20%(388 to 592)|
|Tensile(Transverse) (N)||286.90||431.90||423.90||297.40||340.40||356.10||340±20%(272 to 408)|
|Elongation(Length)%||28.30||29.50||27.60||28.70||28.50||28.52||33±20%(26.4 to 39.6)|
|Elongation(Transverse)%||32.90||31.80||33.10||32.10||33.10||32.60||38±20%(30.4 to 45.6)|
|Resistance to tearing (N)||134.70||134.50||142.00||134.50||135.70||136.28||≥100N||Length|
|Resistance to tearing (N)||143.50||162.20||147.50||159.60||133.40||149.24||≥100N||Transverse|
|Cold Flexibility||No cracks or fractures|
(517.75 to 572.25)
Contact Person: Angela