what kind of foam for headliner
If you're staring at a sagging roof liner and wondering what kind of foam for headliner repairs you need, the answer is simpler than you might think. Most automotive headliners use a thin layer of open-cell polyurethane foam bonded to the face fabric. When that foam breaks down with heat and age, the fabric lets go and droops. Re-gluing the old material rarely lasts. Replacing it with fresh foam-backed headliner fabric does.
Why Foam-Backed Headliner Fabric Works Best
Buying separate foam and fabric means extra layers to glue and more chances for wrinkles. Pre-laminated foam backed headliner fabric keeps the face, foam and backing working as one piece. It hides small dents in the headliner board and gives a soft, factory-style finish.
What to Look For
- Thin, even foam: Headliner foam backing is usually about 1/8 to 3/16 inch thick, so it stays flexible around curves.
- Scrim backing: A light mesh scrim on the back helps adhesive grip and keeps the foam from tearing.
- Color and texture match: Choose a shade and surface that blends with your visors and pillars.
A Quick Prep Tip
Scrape every bit of old, crumbling foam off the board before you start. Then use a high-temperature spray adhesive made for headliners. Ready to start? Browse our headliner replacement fabrics below.
