Breathable and Water Proof Roof Membrane Yep-500 Yep-700 as Roof Underlayment Under Shingles with CE

• Customization: Available
• Material: PP Fabric, Asphalt
• Product Name: Yep 500 Roofing Felt
• Model NO.: YEP 500
• Usage: Roof Underlayment Wateproof
• Where to Use: Wooden Slope Roof Beneath Shingles
• Advantage: Environmental Friendly
• Standard: En 13859
• Type: Yep 500 Yep 700 or Customixed
• Thickness: 0.8mm or 1.0mm
• Width: 1m
• Length: 25m, 30m or Customzied
• Tensile Strength: 350n
• Elongation: 30%
• How to Apply: Use Nails
• Transport Package: Packed in Rolls with Pallet
• Specification: 1m*25m or customized
• Trademark: Jianda
• Origin: Cangzhou, China
• HS Code: 5603149000
• Production Capacity: 50000rolls/Month
• Package Size: 25.00cm * 25.00cm * 100.00cm
• Package Gross Weight: 13.500kg

Product Description

Product Description

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.

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.

 

 

 

Detailed Photos

 

Product Parameters

serial	Test item		test method	YEP 500	YEP 700
1	thickness		EN1849-1	0.8mm	1.0mm
2	gram weight		EN1849-1	500-600g/m2	700-800g/m2
3	tensile strength	vertical	EN12311-1	≥400N	≥450N
		horizontal		≥300N	≥350N
4	elongation	vertical	EN12311-1	≥25%	≥30%
		horizontal		≥25%	≥30%
5	tear strength	vertical	EN12310-1	≥100N	≥120N
		horizontal		≥100N	≥120N
6	not permeable		EN1928	20kpa 24h
7	low temperature flexibility		EN1109	-20degree
8	size stability		EN1107-1	≤2%
9	thermal aging	pull retention rate	EN13859	≥90%
		elongation retention rate		≥80%
		low temperature flexibility		-15degree
		dimension change rate		≤2%

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.

Installation Instructions

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

Company Profile

Cangzhou Jiansheng Building Waterproof Materials Co., Ltd. is a professional enterprise integrating the production and sale of building waterproof materials. Our company covers an area of 10, 000 square meters. There are 60 people in our company, including 5 professional senior engineers and 24 technicians. Our company is to set up a technological research team which consists of professionals, scholars and experts. Our company is specialized in the production and operation of various types of high and mid-grade new building waterproof materials, including SBS, APP modified bitumen membrane, polypropylene, and PE polyester. We have domestically advanced production lines with annual production capacity of 8 million square meters, advanced equipment, and strict scientific quality control system according to standards. At the same time, we produce SBS polymer waterproof coating, Chloroprene latex, asphalt and other series of waterproof paint. Our company is also equipped with first-class raw materials testing equipment as well as process control and finished product quality testing center. Our company is willing to cooperate with friends sincerely to advance hand in hand and create a better future.

 

FAQ