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February 26th, 2014

DUPONT TYVEK Airguard Reflective

Eco Building systems are now supplying a number of DUPONT TYVEK products including TYVEK Airguard Reflective. This product is a reflective vapour control layer that when combined with an airgap can reflect up to 95% of radiant heat back into the building. This material is 100% airtight and is ideal for lowering U Values in buildings, it is highly water and vapour resistant and considerably reduces interstitial condensation.

Tyvek Airguard reflective can control condensation effectively and performs best when all overlaps and cuts in the membranes are sealed using TYVEK Metallised Tape. This membrane can be used in areas of high humidity such as swimming pools and also connections at high areas such as junctions with roofing membranes like TYVEK Supro and floor junctions. This material helps reflect internally generated heat back into the building and is commonly used as a back up for the insulation used in external walls and hence reduces the wall systems overall U Value.

DuPont TYVEK AirGuard Reflective can be installed either way round, but its reflective surface must always face in towards an airspace. The preferred method is to install it with the reflective side facing into the building, then fix a standard 25mm batten over the membrane as shown in the picture.

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