Zhejiang Chunming Waterproof Material Co., Ltd.
Main products:Waterproof Material,Waterproof Coating
Contact Us
  • Contact Person : Mr. Shen Yong
  • Company Name : Zhejiang Chunming Waterproof Material Co., Ltd.
  • Tel : 86-0573-86406060
  • Fax : 86-0573-86406068
  • Address : Zhejiang,Jiaxing,Haiyan Qinshan Fengshan Industrial Park
  • Country/Region : China
  • Zip : 314400

SBS Modified Bituminous Waterproof Membrane

SBS Modified Bituminous Waterproof Membrane
Product Detailed
1. Grade level: I&II 2. Tyre: PY/G/PYG 3. Surface: PE/S/M 4. Thickness: 2/3/4mm 5. Width: 1000mm

Products Detail

SBS modified bitumen membrane is made by saturating the base in bitumen, or thermoplastic elastomer (such as styrene butadiene SBS), reinforced with polyester or fiberglass, finishing the upward face with fine sands, mineral slates (or grains) or polythene membrane etc.


1. Good impermeability

2. Possess good tensile strength, elongation rate and size stability which could be well suited the substrate distortion and crack, high tensile strength and elongation which adapts to the contraction or crack of the base.

3. Good performance in anti-puncture, anti-broker, anti-resistance, anti-erosion, anti-mildew, anti-weathering. Good capacity of anti-aging, anti-acid, and anti-alkali, its service life is 30years.

4. Good perdurable capacity to climate; be used in cold (-25°C) environment for long life.

5. Resistant ultraviolet irradiation, resistant temperature changes, low temperature resistance, aging resistance, excellent water resistance.

Performance indicators

Product executive standard: GB18242-2008

Applicable scope

It is widely used for industry and civil building --- the waterproof and damp proof of the roofs, basements, toilets etc; and the waterproofing of bridges, parking area, tunnels, reservoirs etc.

SBS modified bitumen waterproof membrane is especially suitable to the building waterproofing in cold area and to the buildings of changeable constructions.

Construction methods

1. Make sure the roof deck smooth, clean and dry (Moisture<9%),then apply the surface of roof deck homogeneously with a kind bitumen paint till dry to start application.

2. There are two methods in application:

One way is by heating and melting method---Heat the polyethylene film of the membrane and roof deck surface by heating and melting method to be nearly melted(not flowing),then install the membrane fully bonded to the roof deck with overlaps of 5-10cm.

The other way is by cold adhesive method---Pour the cold adhesive homogeneously on the roof deck then roll the membrane to install it to be fully stuck to roof deck.

By heating and melting method and by cold adhesive can be used in alternation in application as requested.

3. After application, a full serious inspection is required to make sure no air bubble, no fold, no falling away etc to guarantee the waterproof life.

Storage and transportation

1. During storage and transportation, different types, different marker number, different standards and different grade of membranes must be piled separately.

2. Membranes should be stored in a cool and ventilated room, keep away from rain and sunshine, forbidden to approach the fire, do not touch the beam or grease.

3. During transportation, membrane roll should be put vertically; the height should not be stacked more than two layers.

SBS Modified Bituminous Waterproof Membrane

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