Seal the Gaps at the Edge of Your Home

Rim joist insulation blocks drafts and moisture where it matters most

The rim joist — where your home's floor meets the foundation — is a common source of air leaks, cold floors, and moisture issues. NEPI insulates these areas with precision-applied spray foam to create a tight seal that improves comfort, efficiency, and air quality. It’s a simple upgrade with big returns, especially in retrofits and older homes