Tag Archives: air barrier

Insulating buildings with pressure-sensitive tape

Pressure-sensitive adhesive (PSA) tape technologies have properties that can insulate a building from environmental events such as precipitation, vapor ingress, extreme cold and heat, and external noise. While there may be a temptation to use putties and caulks instead of PSA tapes for insulation purposes, those materials are typically employed as fillers meant to span gaps—they do not provide an air or water barrier. PSA tapes can be used as an effective alternative or complementary barrier throughout a building by sealing areas like windows and doors that may be vulnerable to outside environmental fluctuations.

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Using building wraps as air barriers

Controlling the movement of air between the conditioned interior environment of a building and the exterior is a core function of building science. However, if you ask someone the best method of doing this, you are likely to get dozens of different answers.

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