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B&Q£7.07Visit shop - Green Vapour Check / Damp Proof Membrane125Mu / 500 Gauge2.5M Wide Barrier1M Length
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The Just The Job Supplies Green Vapour Check Barrier is designed for construction professionals and DIYers looking to prevent interstitial condensation and improve building airtightness. Its key benefit is protecting structural elements and insulation from moisture damage, reducing the risk of mold and damp. A potential caveat is that its semi-transparent nature might require careful alignment during installation.
| Model Part Number | GVC2 |
|---|---|
| Brand | Just The Job Supplies |
Its primary purpose is to prevent interstitial condensation within a building's structure and to improve the airtightness of the building envelope.
125 Micron (or 500 Gauge) refers to the thickness of the polyethylene. This thickness provides robust resistance to the passage of water vapor.
Yes, this barrier is versatile and suitable for use in walls, floors, and roof applications.
All joints, overlaps, and edges must be sealed using appropriate manufacturer-approved tapes designed for vapor control layers to ensure airtightness.
The semi-transparent green color is a practical feature that aids installers by allowing them to easily see and align the barrier with structural elements like studs or beams.
Small punctures or tears should be repaired immediately using manufacturer-approved vapor barrier tape, ensuring a complete seal.
The vapour barrier should always be installed on the warm side of the insulation. This is typically the interior side of external walls and roofs in most climates.
Check all laps, edges, and penetrations for proper sealing. Ensure approved tapes were used and applied correctly. Verify the barrier is installed on the correct side of the insulation (warm side).
Utilize the semi-transparent green color to align with studs or beams. If the room is poorly lit, use temporary lighting to aid visibility. Have a second person assist with holding the barrier in place.
Carefully patch small holes or tears with manufacturer-approved vapor barrier tape, ensuring the tape extends sufficiently onto the undamaged material on all sides.
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