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Quick Details

  • Type: Waterproof Membrane
  • Place of Origin: Hebei, China (Mainland)
  • Brand Name: Jianda
  • Model Number: YAP 500 YEP 500
  • Model Number:: waterproof and vapor permeable membrane
  • usage: Roof underlayment under shingles
  • surface: PP, sand
  • Test Standard:: EN-12311 EN-1849 EN-1107
  • Tensile Strength:: 240N/5cm------320N/5cm
  • Enlognation:: 300N/5cm ----400N/5cm
  • thickness: 0.8-1.5mm
  • size: 1m*25m
  • Tensile Strength: 350N/2in
  • Mass: 500g/m2 ----1500g/m2

Packaging & Delivery

Packaging Details: packed in rolls with pallet
Delivery Detail: within 15days after receipt of advance payment

YEP series roof underlayer for slope roof

product instrument

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.

 

 

Specification

Width is 1000mm

Thickness:0.8mm  1.0mm

Volume size:25m2  30m2

base felt:Polyester filament fabric

double surface are polypropylene fiber

 

Usage

it is used as the underlayment of cement tile,painted pottery watts, asphalt shingle and wood structure roofing

also suitable for all kinds of architectural roofing, walls,underground waterproof and damp proof project.

Feature and benefits:

with adhesive tape on the overlap for the sealing of junction, convenient for application.

excellent weather resistance,corrosion, anti-aging, antioxidant.

it is excellent vapor permeable properties make it can be constructed on damp surface, palisade structure internal water vapor flowing rapidly and effectively avoid mould and condensing formation..

the surface has an function of antiskid to make sure the safety of application.

excellent tensile strength and elongation

big surface friction, closely integrated with the grassroots.

no smell,no taste, accord with environmental protection requirement.

 

Appilication key points

the grass roots should be strong, day and smooth

it will use nails for application,density should be 30 nails per square meter.

should be smooth when applying on the roof without folds..

the width of junction for the same layer should be no less than 50mm, for upper and lower layer should be no less than 80mm

use gasket cement for the same layer junction, and adhesive tape on the roll for junction of upper and lower layer.

can not be applied on rainy and snowy days

Attention:

cannot  be exposed in the sun, rain, and wind.

temperature should not be higher than 50degree for transportation and storing.

 [standard]EN 13859-1:2010

Serial

Test item

Test method

Technical index

YEP500

YEP700

YEP1100

1

thickness

EN1849-1

0.8mm

1.0mm

1.2mm

2

Gram weight

EN1849-1

500-600g/m2

700-800g/m2

1100-1200g/m2

3

tensile

vertical2in/N

EN12311-1

≥400N

≥450N

≥500N

horizontal2in/N

≥300N

≥350N

≥400N

5

elongation

Vertical

≥25%

≥30%

≥30%

 horizontal

≥25%

≥30%

≥30%

6

Tear strength

vertical

EN12310-1

≥100N

≥120N

≥150N

horizontal

≥100N

≥120N

≥150N

7

Not permeable

EN1928

20Kpa  24h

8

Low temperature flexibility

EN1109

-20℃

9

Size stability

EN1107-1

≤2%

10

Thermal aging

Pull retention rate

EN13859

≥90%

Elongation retention rate

≥80%

Low temperature flexibility

-15℃

 

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