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Air Rerirtance

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In this test" the longer it takes air to pass through I material, the better an air banier il is.

TWEK Housewrap is the best air barrier, eight times better than the competitionf because it stops most outside air from coming in through cracks and searnsthereby dramatically increasing the energy efficiency of a home.

toisture Yapor Transn irsion

Water Resirtance

TYVEKo Housewrap allows moisture vapor to pass through three timc better than the competitionf reducing the chance of harmful in-wall condensation build-up, which can lead to wall and insulation damage.

TWEK Housewrap has excellent wtter resistance and acts as I watcr panier during constnrction. It is six times more wster resistant than the competition.* itd cdpdratSlEadt