Generally to seal a layer of papercrete, you have three options. One is a stucco finish (which is an increasing amount of Portland cement as the 3 coats are applied). Second is to mix latex paint in the outer layer of applied finish, and third would be to paint the outer or final coat.
With your fifth wheel, you could fir out the windows and doors, skirt the bottom flush with the sides and then apply papercrete with a sprayer similar to the ones recently mentioned on this forum.
I agree with you regarding the roof of a trailer. Your best bet would be to fir up a ridge line, and either add rafters to the edge to get positive drainage and fill it all in with PC. I would still add the roof over the top to protect the whole from the driving rain and winter fluffy stuff.
Ron
Denise wrote:
Hello, I've been searching the archives for info on water proofing and not finding much encouraging info.
Here's my project:
I've purchased a 26' Fifth-Wheel trailer to use as a guest house and hang-out in the backyard. It could, eventually, be full-time home to one or the other of my aging parents. The plan is, eventually, to build a pole-barn type structure so it will have a real roof, as these things always leak, eventually.
Once all this is in place, I'm thinking about creating a papercrete shell around and over the whole thing to increase its R-value. These things are notoriously not well insulated! The roof will have significant eaves to keep water (and sun) off, but some rain will inevitably blow onto this shell and we live in Oregon, where humidity can be so high that my 15' deep covered patio will look like it has been rained on.
How can I water proof this papercrete shell?
Actually, if there was some way to papercrete over the roof of the trailer and add some super-light- weight roofing material instead of building the pole structure, I'd like that even better (less expensive?). It would have to be fairly lightweight, as I don't think these things are built for bearing anything more than some cargo boxes and the live weight of one human.
Any advice on this idea will be greatly appreciated.
Thanks! **Denise**
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