Replacing floor

terry skinner

New member
Dec 30, 1998
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Some will remember that last January I removed the ramp from the floor and
discovered the floor was rotted. We put off repairs until now ( places to
go, people to see). Well, last Saturday we started this project. Ended up
taking out the generator and it's cover. the propane tank and it's cover,
and all the overhead cabinets. Looks like a ballroom now. I cut off the last
two feet of the plywood floor and replaced it with 3/4" plywood sub
flooring. As suggested in the GMC net I got a 3/8" router bit and cut a
groove in the mating edges. So, now we are ready to install everything. I
would like to treat the plywood but am concerned about fumes wafting up thru
the bed. The guy I talked to at Home Depot has only been there two weeks and
was a box boy before, not much help. Any suggestions?? The fiberglass covers
for the generator/propane tank were sealed with some kind of rubber tape. Is
there a replacement?? Someone had sprayed foam all over the screws that hold
the covers. They were a bugger to get out. I think I will fill the heads
with grease before spraying the foam back in. The inside of the covers (side
towards the generator/tank) was lined with a sheet of 1/2" foam. I don't
know if it was original but the foam was burned where it was close to the
exhaust manifold so it will come out. Is there a good replacement?? The
original leak was not from the water tank as previously thought. Must be
from the windows or something higher. I've been thinking about changing all
the rubber around the windows. Has anyone done this?? was it a chore?? Do
you think it is within the realm of this alley mechanic?? I've been
considering building a fan attachment as suggested/used by Jim Bounds to
pressure test the coach top to bottom. Get this leak thing over once and for
all.
Thanks for the help
Terry Skinner
Webfooted in Washington
'76 Glenbrook
 
When I replaced the rear floor in mine, replaced it with hardwood exterior
3/4" plywwood obtained at Home Depot, half lapped the edges as you are
doing, secured it with construction adhesive and stainless steel screws.
Before putting the plywood down soaked both sides and the edges in Green
marine Cuprinol. It drys and have never smelled anything from it.

>Some will remember that last January I removed the ramp from the floor and
>discovered the floor was rotted. We put off repairs until now ( places to
>go, people to see). Well, last Saturday we started this project. Ended up
>taking out the generator and it's cover. the propane tank and it's cover,
>and all the overhead cabinets. Looks like a ballroom now. I cut off the last
>two feet of the plywood floor and replaced it with 3/4" plywood sub
>flooring. As suggested in the GMC net I got a 3/8" router bit and cut a
>groove in the mating edges. So, now we are ready to install everything. I
>would like to treat the plywood but am concerned about fumes wafting up thru
>the bed. The guy I talked to at Home Depot has only been there two weeks and
>was a box boy before, not much help. Any suggestions?? The fiberglass covers
>for the generator/propane tank were sealed with some kind of rubber tape. Is
>there a replacement?? Someone had sprayed foam all over the screws that hold
>the covers. They were a bugger to get out. I think I will fill the heads
>with grease before spraying the foam back in. The inside of the covers (side
>towards the generator/tank) was lined with a sheet of 1/2" foam. I don't
>know if it was original but the foam was burned where it was close to the
>exhaust manifold so it will come out. Is there a good replacement?? The
>original leak was not from the water tank as previously thought. Must be
>from the windows or something higher. I've been thinking about changing all
>the rubber around the windows. Has anyone done this?? was it a chore?? Do
>you think it is within the realm of this alley mechanic?? I've been
>considering building a fan attachment as suggested/used by Jim Bounds to
>pressure test the coach top to bottom. Get this leak thing over once and for
>all.
> Thanks for the help
>Terry Skinner
>Webfooted in Washington
>'76 Glenbrook
>
>
>
Tom & Marg Warner
Vernon Center NY
1976 palmbeach
"The beautiful Mohawk Vally"
 
Terry

I soaked my subfloor with a couple of coats of polyurethane varnish to
reduce water penetrating the wood. The varnish was left over from another
project. I like to smell those varnish fumes wafting up but not sure if
EPA approves.

Don Miller

> So, now we are ready to install everything. I
> would like to treat the plywood but am concerned about fumes wafting up
thru
> the bed.

> Terry Skinner
> Webfooted in Washington
> '76 Glenbrook