PermaSEAL 3 Clear Membrane 40m²

PermaSEAL 3 Clear is a high quality damp proofing membrane suitable for use internally primarily above ground to isolate damp walls and floors.

Availability: In stock

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RRP £230.00 Excl. VAT
£145.00 Excl. VAT £174.00 Incl. VAT

Damp Proofing Membrane

PermaSEAL 3 Clear is a high quality high density polyethylene (HDPE) membrane suitable for use in damp proofing structures above ground. The low profile stud depth of just 3mm provides versatile use as both a wall and floor applied membrane.

PermaSEAL 3 Clear is used when the wall finish infront of the damp proof membrane is timber battens, metal track system or a block wall.


PermaSEAL 3 Clear is guaranteed for 30 years and has a life expectancy of at least 50 years. PermaSEAL 3 Clear is an inert product with high compressive loading stability. It is highly resistant to water, alkalis, saline solutions and organic acids, and is not affected by minerals. It is also resistant to bacteria, fungi, and other small organisms.

Our innovative PermaSEAL Quick Plug is used when fitting the PermaSEAL 3 Clear to the wall

This clear damp proofing membrane can accept a range of wall and floor finishes. PermaSEAL Quick Plugs and Brick plugs accept screws which allow for the addition of batons and metal lath systems which can be insulated before the addition of plaster board finish. When used as a floor membrane insulation, underfloor heating, screed and floating floors can all be accommodated.

Note: Clear membranes should be permanently protected from UV light as this can affect the membrane making it brittle and substantially shortening its service life. This applies for storage and when installed.


  • Low profile 3mm stud depth
  • Easy to bend, form around windows, doors, vaulted ceilings etc
  • Easy to cut with scissors
  • High compressive load bearing strength 200kN/m2
  • Waterproof, salt resistant, root resistant, contaminent resistant
  • 3mm design provides 1.05 litres of drainage volume per m2
  • Low & high temperature tolerances
Model: PS3C40
Manufacturer: Permagard
Packaging: Individual roll
Size: 2m x 20m x 3mm
Coverage: 40m²
Country of Manufacture: United Kingdom

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