FRP Ceiling Installation Methods

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BelCibo
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FRP Ceiling Installation Methods - Wed, 01/16/13 11:16 AM
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Looking for some advice on FRP installation on the ceiling.  My original plan was to insulate with rigid, sheet in 1/4 ply and then install using FRP rivets.
 
My concern has come while working on the van over the last few weeks and seeing the large amount of water that drips from the ceiling with it being cold out.  When I go into the van there is actually ice on the ceiling like the windshield of your car.  The plywood molding and rotting over time is my main issue.
 
So the question is are others installing FRP ceilings directly to the studs and are they happy with that method or recommend something else?  My current plan would be rigid insulation and then direct mounting to the roof studs. 

roadkillgrill
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Re:FRP Ceiling Installation Methods - Wed, 01/16/13 12:47 PM
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DO NOT install without being laminated to a backer board(plywood). It will sag!!!! Rigid insulate the ceiling with foil to the inside and tape, moisture wont reach the metal ceiling. I installed using stainless screws, it still corroded. Install using white screw buttons!!!!!!! you will thank yourself later.

daddywoofdawg
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Re:FRP Ceiling Installation Methods - Thu, 01/17/13 3:20 AM
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I would paint the foam side of the ply,just like you should paint the back side of wood siding before installing,It will slow or stop the wood from rotting.

Hot Dog Empire
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Re:FRP Ceiling Installation Methods - Thu, 01/17/13 8:12 PM
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daddywoofdawg


I would paint the foam side of the ply,just like you should paint the back side of wood siding before installing,It will slow or stop the wood from rotting.

Just a thought; Could you use Pressure Treated Plywood as a backer to eliminate any concerns of rotting or trapped moisture - problems? Its about $32/sheet for 1/2" at Lowes/Depot.
Also, you can find those screw buttons pretty easily at a RV supply store. Their like.15 ea.

buffy1711
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Re:FRP Ceiling Installation Methods - Wed, 01/23/13 11:29 PM
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What about your walls are they up yet? And if not spend some money and spray foam the hole truck. And then install 1/4 inch underlayment then you can glue your FRP board to it and hide all your screws. We used fast drying FRP glue.

pigrig
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Re:FRP Ceiling Installation Methods - Wed, 07/31/13 12:15 AM
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the pvc glue did not hold up to well on an interior van panel i built a few years back, i'd stay with a construction adhesive like Liquid Nails

daddywoofdawg
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Re:FRP Ceiling Installation Methods - Wed, 07/31/13 3:23 PM
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the condensation is the water dripping, you need a way to vent  so the air moves around maybe go cheap with a box fan running at nite.

Midnights
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Re:FRP Ceiling Installation Methods - Wed, 02/12/14 6:54 PM
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When you say screw buttons, are you talking about these?


BelCibo
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Re:FRP Ceiling Installation Methods - Thu, 02/13/14 9:42 AM
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Since this thread was brought back up, I have had some FRP delaminate from the plywood on the ceiling and a 6" bubble on one of the walls.  I used the quicker drying FRP adhesive per the manufacture's application method.