Sarnavap 500E
Description

A 0.15 mm thick, polyethylene based, vapour control layer. Sarnavap 500E is manufactured from low density polyethylene, blended to produce a vapour control layer that is flexible when cold, resistant to chemicals and ageing and rot proof. It is suitable for use in most mechanically fastened systems using the Sarnafil PVC membranes only. Not suitable for high humidity applications or under green roofs.

Performance:

Water vapour resistance: >450 MNs/g.

Installation:

Loose laid over any smooth surface with all side and end laps overlapped a minimum 80 mm, then sealed with Sarnavap jointing tape. At parapets and upstands, Sarnavap must be carried up to the upper edge of the thermal insulation and sealed to the upstand/ penetration with Sarnavap jointing tape, to form an airtight seal. When installed vertically, Sarnavap must be mechanically fastened along its top edge.

If the surface is rough, a layer of Sarnafil Type T should be used as cushioning layer.

General information

Material

Low density polyethylene (LDPE)

Uniclass 2015

Pr_25_57_65_60 Plastics sheetsPrimary

CAWS

J42/10 Warm deck roof covering

J42/395 Air and vapour control layer

Specification data - Plastics sheets

Product Reference

Sarnavap 500E

Accessories

Sarnavap jointing tape

Sarnafil Type T

Standard product features

Material:

Low density polyethylene (LDPE).

Dimensions:

Thickness: 0.15 mm.

Width: 5.0 m.

Roll width: 1.3 m.

Roll length: 25 m.

Weight:

0.144kgs/m2.

Colour:

White.

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