Best Self-adhesive Waterproof Membrane For Roof From YUNYAN CHINA Manufacturer

  • Product Introduction
Posted by GUANGDONG YUNYAN SPECIAL CEMENT BUILDING MATERIALS CO.,LTD On Sep 16 2025

YY-902 is a kind of polymer-modified asphalt and synthetic rubber as the base material, adding activating agent, using polyester tire as reinforcing layer, polyethylene film as surface material, and silicone oil anti-adhesive isolation paper on the bottom surface. Membrane, waterproof membrane with environmentally friendly and cold construction work.

Product Features

l Excellent waterproof performance;

l Excellent high temperature resistance and low temperature flexibility;

l Strong puncture resistance;

l The base layer has strong adhesion and good adhesion to a variety of substrates, and can lock the leakage caused by the damage of the coil to a local extent, thereby effectively preventing drowning;

l Good stability, good chemical corrosion resistance, easy construction, pressure sensitive bonding, long-lasting and stable waterproof effect.

Scope of application

All kinds of non-exposed underground works, roofing works, subways, tunnels, pools and other parts of the waterproof and moisture-proof works.

Construction process

Base treatment--elastic positioning--pre-rolling membrane--laying membrane--rolling exhaust--sealing head--quality acceptance--protective layer construction

PRODUCT SPEC

PRODUCT NAME

PRODUCT TYPE

PRODUCT STRUCTURE

THIICKNESS (mm)

self-leveling polymer modified bitumen waterproofing membrane

TYPE I/TYPE II

DOUBLE SIDE ADHESIVE

4.0mm

PRODUCT PARAMETER executed byGB 23441-2009

Serial
number

Item

Index

TYPE I

TYPE II

1

Soluble content/(g/㎡) ≥

2900

2

Tensile property

Tensile force/(N/50mm) ≥

500

800

Break elongation of membrane,% ≥

300

Maximum tensile elongation ≥

40

3

Tear strength of screw rod/N ≥

200

200

4

Impact properties

diameter(10±0.1)mm,
no leakage

5

static state load

20kg, no leakage

6

Heat resistance

70℃,2h No displacement,
flow, dripping

7

Low-temperature bending

—25℃,
no cracking

8

Low-temperature flexibility

—25℃,
no cracking

9

Oil permeability/ amount of sheets ≤

2

10

Water repellency

0.6 Mpa,
no ooze water

11

Stripping with concrete
strength/(N/mm) ≥

No processing

2.0

Surface of cement powder pollution

1.5

Surface of silt pollution

1.5

Ultraviolet radiation aging

1.5

Thermal aging

1.5

12

Stripping with concrete strength/(N/mm) ≥

1.5

13

Thermal aging
(70℃,168h)

Tension retention rate/% ≥

90

Elongation retention rate/% ≥

80

Low-temperature bending

—23℃,
no cracking

Low-temperature flexibility

—23℃,
no cracking

14

Heat stability

Appearance

No displacement,
flow, dripping

Dimensional change/% ≤

2

YUNYANMIX self adhesive waterproof membrane is manufactured by YUNYAN company, YUNYANMIX is a well branded one of Top 10 for self adhesive waterproof membrane and new building chemicals in China, for a best supplier and wholesaler of new building chemicals please go through: http://www.yunyanchina.com

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