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It will fail within weeks. I've used the exact same glue. Every headliner glue will fail because other issue isn't glue failure.
The issue is that the insulation on the headline starts to deteriorate and the glue is on the insulation, the insulation will continue to degrade and the headliner will sag again.
The only real fix is to remove all the insulation on the headliner.
Gluing will give you some time, but once the insulation starts to fail, it will begin to fail everywhere.
It will fail within weeks. I've used the exact same glue. Every headliner glue will fail because other issue isn't glue failure.
The issue is that the insulation on the headline starts to deteriorate and the glue is on the insulation, the insulation will continue to degrade and the headliner will sag again.
The only real fix is to remove all the insulation on the headliner.
Gluing will give you some time, but once the insulation starts to fail, it will begin to fail everywhere.
Yeah, Xanthro is correct. It's not the adhesive that fails and causes the fabric to sag. The open-cell foam between the fabric and the fiberglass shell deteriorates chemically over time.
When you've had enough with the sagging, take out the headliner, strip it using denatured alcohol to remove the adhesive residue, prime it with KILZ, and then PAINT it with a good quality exterior latex paint. It's a tedious job, but not difficult.
Agreed on all fronts, its not really that big of a job to pull it down and replace it. Take 3-4 hours the first time moving slowly. Two cans of adhesive $30 and $50 of fabric, make sure you get the extra wide, 54" stuff. Use Stripeze and a wire brush to scrub off the old liner. pretty easy job.
yes agree with all thats said, I tried the glue through the hole trick Iit lasted a month or so, as it was t,he seals on
my sunroofs were shot so I ended up taking out the headlier fixing and resealing the sunroofs recovering the headlner , and I happy with the result
I could not just paint mine as it had some damage , so it had to be covered to hide the repairs
Last edited by frostythor; 06-19-2021 at 11:56 AM.
Yeah, Xanthro is correct. It's not the adhesive that fails and causes the fabric to sag. The open-cell foam between the fabric and the fiberglass shell deteriorates chemically over time.
When you've had enough with the sagging, take out the headliner, strip it using denatured alcohol to remove the adhesive residue, prime it with KILZ, and then PAINT it with a good quality exterior latex paint. It's a tedious job, but not difficult.