This product is made of self-adhesive polymer modified asphalt as the base material, polyester base as the reinforcement layer, the lower surface is covered with polyethylene film (PE film) or a peelable silicon-coated isolation film, and the upper surface is covered with a peelable silicon-coated isolation film or a viscosity-reducing protective layer. It is an asphalt-based polyester base waterproof membrane that can be pre-laid and reverse-adhesive.
YN-B704 pre-laid waterproof membrane
Implementation standard：GB/T 23457-2017(PY type)
Specifications：Thickness: 4.0mm, Length: 7.5m
- Product Features
- Reliable bonding : It is bonded to the subsequent concrete and is inseparable from long-term immersion in groundwater ;
- Low system cost : no need to find a leveling layer and a protective layer, and jointly build a "skin" waterproof system with the structure ;
- Save construction time : It can be constructed even on wet or unleveled surfaces, without primer. It has outstanding advantages during construction in rainy seasons and is a powerful measure to ensure construction time .
- Safety and environmental protection : Solvents and fuels are eliminated during the construction process, thus avoiding environmental pollution and potential safety hazards and saving resources.
- Scope of application
It is suitable for waterproofing the bottom slabs of buildings and underground projects such as open-cut subways and side walls where there is no construction space.
- Precautions
- Do not damage the coil with metal or hard objects ;
- After the construction is completed, when tying steel bars or pouring concrete, the waterproof layer should be protected ;
- Do not apply the membrane on a polluted, water-covered or frozen surface ;
- The construction process should be carried out step by step and cross-construction is not allowed.