Edmundo Lujan opened issue #1: Spray Foam Insulation: Reduce Drafts and Impro...

Edmundo Lujan
2026-04-30T05:46:52Z

Many homes in Houston feel uncomfortable not only because of outdoor heat, but because air leaks and weak attic insulation let conditioned air escape. Drafts, hot spots, and higher energy bills often point to gaps in the building envelope, especially around attic penetrations, top plates, and areas where wiring or plumbing passes through. First Defense Insulation provides spray foam insulation, attic insulation contractors Houston service, and other insulation services to help seal these leak points and improve overall comfort.

Attics are one of the most important areas to address because heat collects there and small gaps can allow a lot of air movement. Improving attic insulation and air sealing can help rooms feel more consistent, reduce HVAC run time, and support better temperature control during long summer stretches. Spray foam insulation is often used in targeted areas because it expands into cracks and gaps, limiting unwanted airflow while adding insulation value.

Planning an insulation project starts with identifying where the biggest leaks and weak spots are located. Common areas include attic access points, recessed lights, duct chases, rim joists, and wall-to-attic connections. A professional evaluation can help determine whether the project needs spray foam in specific leak areas, additional attic insulation, or a combination that improves performance without overdoing the scope.

If you are considering insulation work in Houston, focus on comfort issues first, then match the approach to the space. With spray foam insulation, First Defense Insulation focuses on practical upgrades that help reduce drafts, improve indoor comfort, and support long term energy efficiency.