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'99 - '06 GM Truck Modifications
Interior
Headliner sag
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<blockquote data-quote="sewlow" data-source="post: 2641" data-attributes="member: 52"><p>The H/L panels don't usually sag, but I have seen 'em do that. They're a molded piece. Some kinda fiber. Layers of it, almost like a fine OSB. (Oriented Strand Board.) </p><p>The h/l doesn't sit right up tight to the roof so there is a bit of space between the metal of the roof & the panel.</p><p>Wherever it's sagging, you can reinforce it with cardboard. Weird as it seems, I've found that cereal boxes work well for this. (or similar) It's nice & thin. Glue some over top of where it's sagging about 2x bigger than that area. Then glue another larger layer over that layer. I wouldn't do more than 3 layers, & even that might be pushing it. keep that build-up of cardboard an inch or so away from the edge. Too much build up in that area & the trim panels get hard to make fit right. You can get away with one layer at the edge.</p><p>Use the same gluing method as previously outlined. </p><p>You can also use this method to repair any places of the panel that may break away as you remove the h/l. Most notably around the big holes for the visors. </p><p>Because that h/l panel is a fiber, if you bend it too much, those layers of cardboard will want to separate from the layers of the panel. Once it's in the truck though, it'll be fine.</p><p></p><p>...and no prob with the help!</p><p>I've been doing this stuff (*cough*) for 35 years, +, I have a background in teaching it, too.</p></blockquote><p></p>
[QUOTE="sewlow, post: 2641, member: 52"] The H/L panels don't usually sag, but I have seen 'em do that. They're a molded piece. Some kinda fiber. Layers of it, almost like a fine OSB. (Oriented Strand Board.) The h/l doesn't sit right up tight to the roof so there is a bit of space between the metal of the roof & the panel. Wherever it's sagging, you can reinforce it with cardboard. Weird as it seems, I've found that cereal boxes work well for this. (or similar) It's nice & thin. Glue some over top of where it's sagging about 2x bigger than that area. Then glue another larger layer over that layer. I wouldn't do more than 3 layers, & even that might be pushing it. keep that build-up of cardboard an inch or so away from the edge. Too much build up in that area & the trim panels get hard to make fit right. You can get away with one layer at the edge. Use the same gluing method as previously outlined. You can also use this method to repair any places of the panel that may break away as you remove the h/l. Most notably around the big holes for the visors. Because that h/l panel is a fiber, if you bend it too much, those layers of cardboard will want to separate from the layers of the panel. Once it's in the truck though, it'll be fine. ...and no prob with the help! I've been doing this stuff (*cough*) for 35 years, +, I have a background in teaching it, too. [/QUOTE]
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'99 - '06 GM Truck Modifications
Interior
Headliner sag
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