RedFred Posted December 25, 2016 Report Share Posted December 25, 2016 I see a lot of people using foam to stop their roof from slamming into the braces while flexing. Since I don't have any foam, but do have rubber, I'm thinking about placing that between the bracing. Does anyone know of any reason NOT TO use rubber? Or any pros of using foam over rubber? Link to comment Share on other sites More sharing options...
Skullz Posted December 25, 2016 Report Share Posted December 25, 2016 http://www.homedepot.com/p/Loctite-PL-Premium-10-fl-oz-Advanced-Polyurethane-Construction-Adhesive-1417170/202192562 Make sure you use gloves and cover everything you do not want this stuff to drip or fall on as it will NOT come out. 01 Ford focus ZX3 Pioneer AVH-X491BHS PPI PC 4800.2 Morel Maximo 6.5" x2 Link to comment Share on other sites More sharing options...
ShadeTreeMechanic Posted December 25, 2016 Report Share Posted December 25, 2016 I second the vote for PL. Glue the ribs to the roof and never worry about it again. 91 C350 Centurion conversion ( Four Door One Ton Bronco) 250A Alternator (Second Alternator Coming Soon) G65 AGM Up Front / Two G31 AGM in Back Pioneer 80PRS CT Sounds AT125.2 / CT Sounds 6.5 Strato Pro component Front Stage CT Sounds AT125.2 / Lanzar Pro 8" coax w/compression horn tweeter Rear Fill FSD 5000D 1/2 ohm (SoundQubed 7k Coming Soon) Two HDS315 Four Qubes Each 34hz (Two HDC3.118 and New Box Coming Soon) Link to comment Share on other sites More sharing options...
audiofanaticz Posted December 25, 2016 Report Share Posted December 25, 2016 People usually use foam when they wall, not just to stop those braces from hitting the roof. The rubber will stop that, but wont stop the roof flex. PL and wood on the roof works wonders. If your gap between the wall and the roof is tiny it can work decent too, but its best to do it in small sections. If you try to do it all at once the foam gets hard on the outside, but not the inside and creates a suction which cause the roof to dimple. Link to comment Share on other sites More sharing options...
RedFred Posted December 25, 2016 Author Report Share Posted December 25, 2016 People usually use foam when they wall, not just to stop those braces from hitting the roof. The rubber will stop that, but wont stop the roof flex. PL and wood on the roof works wonders. If your gap between the wall and the roof is tiny it can work decent too, but its best to do it in small sections. If you try to do it all at once the foam gets hard on the outside, but not the inside and creates a suction which cause the roof to dimple. I'm talking about foaming the braces like such: (Canag3's S-10 Blazer w/ 2 18s). I understand that people walling use foam to seal off and prevent air from escaping, but I'm speaking strictly towards preventing the roof from smashing into the braces. My plan would be to put rubber inbetween all of the braces and the roof, and then use Second Skin Damplifier everywhere else on the roof. I second the vote for PL. Glue the ribs to the roof and never worry about it again. Wouldn't this cause warping issues? I thought that with all the vibrations, having anything super rigid would be a bad idea. Link to comment Share on other sites More sharing options...
Skullz Posted December 25, 2016 Report Share Posted December 25, 2016 The PL will bond the roof to the braces unlike anything you have ever used, and as audio has said you can also bond MDF sheets to the roof in the same way with the pl to prevent roof flexing. 01 Ford focus ZX3 Pioneer AVH-X491BHS PPI PC 4800.2 Morel Maximo 6.5" x2 Link to comment Share on other sites More sharing options...
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