How To Seal An Attic Vapor Barrier

No you don t need a vapor barrier.

How to seal an attic vapor barrier. What you need is an air barrier that is at every step of the way you have to pay attention to airtightness. Using tape that is specially designed for this purpose. The basics of air sealing are covered in this article. Using other kinds of tape will compromise the waterproof seal and render the barrier useless.

During the energy crisis of the 1970s a prevailing belief took root where it was thought that tightly sealing walls and ceilings with a vapor barrier was essential to blocking heat transference and reducing energy costs it was soon determined however that unless the seal was absolute moisture that did get into sealed walls could create serious structural problems and health issues such as. Take a note of the construction of the attic and figure out which type of barrier will be suitable. The paper facing contains a layer of impermeable asphalt that prevents water vapor from passing through it. Fill any cracks or holes you find to reduce the amount of heat that can escape through these means.

When it comes to the stairway leading into your attic you should heed the advice in this article. Here is an extra quick tutorial on installing tru seal attic hatch. To install an efficient vapor barrier you need the dimensions of the room. Tru seal attic hatch is an attic hatch that achieves a 100 vapor barrier seal and air barrier seal.

Air sealing an attic. To be extra certain use a caulk gun to place caulk material around the tape to double seal the barrier. Measure the entire area and write down the results.