MAKMAX Australia

PVC Membrane Structures

PVC membrane is a cost-effective alternative to traditional roofing systems. PVC, or polyvinyl chloride, is available as a woven or non-woven material, and has been a popular choice in the fabric membrane roofing industry since the early 1960s.

When fabricated in bright white, this flexible fabric membrane reduces radiant heat gain, keeping interior temperatures cooler during warmer weather conditions. PVC fabric is also fire resistant.

Technically, PVC is a molecule comprised of carbon, hydrogen and chlorine. The combination of these elements results in a single-ply membrane that is simple to manufacture. During fabrication, remnants can be recycled and melted down to be reproduced, resulting in less waste.

Because PVC is a thermoplastic, this membrane can be softened into a semi-solid state and infused with UV light inhibitors and anti-soiling fungicides. During installation, multiple sheets of the fabric can be overlapped and fused together in a process known as weldable seam technology. Once cooled at room temperature, these sheets form one continuous membrane.

PVC coated with non-toxic and flame-resistant TiO2 (titanium dioxide) produces a photocatalytic membrane that functions like the leaves of a tree, providing shade and comfort while actively neutralizing airborne pollutants and odours.
 
The unique self-cleaning benefits of TiO2 allow the material to break down dirt and other organic materials through a chemical reaction with the sun’s UV rays, oxygen and water vapor, present in the air.This reaction, known as oxidation-reduction, converts these materials into harmless gases and natural components without using excess chemicals, solvents or water. The resulting sediments are simply washed away by rain. As a result, the membrane material remains bright and clean, reducing the need for frequent service.
 
PVC-coated mesh is weaved during fabrication, resulting in increased tensile strength. This enhanced tensile material offers architects a greater versatility during the design phase of project development
 
This fabric also offers aesthetic features such as partial translucency, which allows natural daylighting, increased textural interest and wide colour selection.

PVC fabric has recently been developed for flat surface applications, lending itself to exciting graphic image printing possibilities for commercial branding purposes.

Characteristics:

  • transparent
  • thermally insulated
  • durable
  • minimum maintenance required
  • Fire resistant
  • Low maintenance

 

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