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Post by CajunRider on Nov 4, 2009 8:45:19 GMT -6
The upper floor of my lake house has sprayed foam insulation through out. However there are a few big through holes for utilities. As I'm building the downstair area, I need to put up the ceiling. I used to have vinyl and I HATE it. Here are the problems: - Potential for being damp due to wind driven sprays.
- Big wasp problems if it has any hole for them to crawl through.
What do you suggest for material to be used as ceiling? Here are some candidates listed in the order of likelihood in my mind. - Hardie panels (solid fiber concrete panels 5/15" thick. A big booger for installation. Reasonable cost.
- Plywood - Reasonable cost. Wondering about being damp. Installation is a little bit easier.
- Tongue and groove planks - Higher cost but much easier to install. Same problem with dampness.
Any suggestions guys?
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Post by TDHofstetter on Nov 4, 2009 10:06:59 GMT -6
I'd think anything NONPOROUS would be a problem with dampness. My guess is that your best bet would be POROUS materials like plywood or planks. From there... it's your choice, down to what you want for look & ease of installation.
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sawduster
Moderator 
The Motley Crew
Posts: 1,831
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Post by sawduster on Nov 4, 2009 11:37:22 GMT -6
I guess you're talkin about the area you've just been enclosing under the "stilts". That's a hard call to make because you likely have a moisture barrier between that area and the floor of the area above. I would say porous also to allow the moisture to move in and out else the area between the ceiling there and the moisture barrier above would need some sort of venting.
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Post by Leo Voisine on Nov 4, 2009 15:37:02 GMT -6
OK - I am thinking out loud here but,
I watched a CVS get built and they uesd some sort of foam panels for the exterior sheathing - not plywood. I don't beleive it was styrofoam. It was yellow.
Maybe somebody will be able to develop more insight into that.
I also don't think it was the pink insulation panels like you get at home depot.
However, maybe those insulation panels would work - then paint them. With what? I don't know.
Exterior grade plywood should be OK.
Leo
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Post by woodmannie on Nov 4, 2009 19:25:05 GMT -6
Leo,
That yellow stuff was likely DensGlas. It's like drywall but is fiberglass coating on the outside. Mold,moisture resistant. It likely got covered with masonry, siding, or EIFS (Dryvit). It hangs like drywall, but if you touch it it's like insulation. Itch like hell for a while.
You could use this Cage, but still have to cover it. I vote for either PT plywood, or T&G planking. If it shows in a room, THE t&G would look better. Can also paint the ply.
Tom
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Post by TDHofstetter on Nov 4, 2009 20:27:30 GMT -6
Gods I hate that fiberglass rash stuff! The worst is when ya go out to pull a bunch of electric-fence posts, the little fiberglass ones, and you don't remember to bring your gloves. It's worth doing to drive alla' way back & GET those gloves. It's like handfuls of nettles.
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Post by woodmannie on Nov 4, 2009 20:46:12 GMT -6
wow, gotta mental pic of Tim the porcupine hand man.
We always had the round metal posts with insulators.
Tom
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Post by mapleman on Nov 5, 2009 15:06:16 GMT -6
buy oh boy Timmer, you are right... we used those fiberglass posts for temporary (overnight) fencing for cattle and whatnot --- rotational/planned grazing. new posts or no problem. but older posts just go to heck and then fill yer hands right up. man - that brings back bad memories  j |
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