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Polyvap

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Polyvap SA

Mapei (UK) Ltd Variant:

High performance vapour control layers.

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BOS
+44 (0)121 508 6970 Website

Application

Designed to be used as vapour control layers in warm roof construction and as part of a built-up system in new or refurbishment work.

Description

A range of high performance, aluminium cored vapour control layers (VCLs) coated with a high quality polymer modified bitumen coating. The underside of Polyvap TT and Polyvap TS are protected by Polyflam, a special polyethylene film which melts upon torching. In the Polyvap TT version, the top surface is also protected by a layer of Polyflam, providing a bitumen rich surface. The top surface of Polyvap TS has a coating of fine sand thereby enabling the use of bitumen or Polyglass polyurethane adhesive to bond insulation to the upper face of the VCL. Polyvap SA is a self-adhesive membrane manufactured using ADESO® technology and can be incorporated in to a completely flame free ADESO® self-adhesive roofing system.


Features and benefits:

  • Torch-on and self-adhesive applications available.
  • Aluminium core stops ingress of water vapour and damage to roof construction.
  • Durable polymer modified bitumen coating.
  • Cost effective performance.
  • Part of a complete package of waterproofing components.

General information

Finish

Sand

Polyethylene film

Material

Glass fibre

Aluminium

Bitumen

SBS

Uniclass

Pr_25_57_08_75 Reinforced bitumen roofing sheetsPrimary

CAWS

J42/10 Warm deck roof covering

J42/110 Warm deck roof covering

J42/120 Inverted roof covering

J42/395 Air and vapour control layer

Specification data - Reinforced bitumen roofing sheets

Surface finish

-

Top

Removable mono-silicone coated polyethylene film both sides.

Underside

Removable mono-silicone coated polyethylene film both sides.

Product Reference

Polyvap SA

Guidance for specification option:

2 mm thickness.

Polyvap TS

Guidance for specification option:

3 mm thickness.

Polyvap TT

Guidance for specification option:

3 mm thickness.

Materials

Aluminium foil core coated with a special elastomeric (SBS) self-adhesive compound.

Roll size

1 x 15 m.

Elongation

To BS EN 12311, 4%.

Flexibility at low temperature

'To BS EN 1109, -25°C.

Tensile strength MD/CD

To BS EN 12311, MD: 500 N/50 mm; TD: 200 N/50 mm.

BIM objects

BOS

NBS BIM Object Standard

This BIM object has been authored to meet the requirements of the NBS BIM Object Standard.

Find out more about the NBS BIM Object Standard.

Platform Compatible Version
IFC
-

1

Revit
-

1

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