Air Sealing in Abilene, TX

Insulation slows heat transfer by conduction — but air leaks carry heat by convection, bypassing the insulation entirely. Air sealing the attic floor before adding insulation is what makes an insulation upgrade perform to its rated value. We seal air bypasses for homeowners throughout Abilene and Taylor County as part of every attic insulation project.

Where Air Bypasses Occur

The most significant air bypass locations in a typical attic are: the top plates of interior walls (gaps between framing and drywall); penetrations around recessed light fixtures; plumbing and electrical penetrations through the top plate; HVAC chase openings; and the attic access hatch, which is often uninsulated and unsealed. These locations allow warm interior air to rise into the attic year-round.

How Air Sealing Is Done

We use fire-rated caulk, foam sealant, and rigid foam board depending on the size and location of each bypass. Large openings like wall top plates and HVAC chases are sealed with rigid foam cut to fit and air-sealed at the edges. Light fixture penetrations are addressed with fire-rated foam or airtight covers rated for insulation contact. The work is done before insulation is installed so the finished result is fully sealed.