Questions tagged [styrofoam]

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What are the Best Practices for insulation, vapour barriers et al on a vintage RV with a single sheet galvanized metal roof. From the inside

Likely due to bearing heavy snow loads ( previous owner(s) ) The single sheet galvanized roof developed a few dips where water collects. When the water is deep enough it infiltrates around the edges ...
1 vote
0 answers
58 views

When insulating foundation walls in a crawlspace with two layers of EPS foam board, is including air gaps a good idea?

I'm planning on insulating my currently uninsulated 6-inch concrete foundation wall. This is zone 5, so code says R-15 is required. I can achieve that with 2 layers of 2" EPS foam board (nominal ...
2 votes
1 answer
94 views

Can I attach crawlspace vapor barrier over existing foam board on perimeter?

I have a very low crawlspace that i finally have access to while the floors have been removed. The crawlspace is vented freely and Former owner attached unfaced polystyrene boards to the perimeter ...
2 votes
1 answer
475 views

Can I attach tongue and groove wood paneling (or similar) directly to foam over concrete block?

I am currently working in the cinder block basement of a small cabin in a climate with very cold winters. The convective cold from the cinder block walls in the winter is quite chilly. I want to ...
2 votes
2 answers
579 views

Is there any reason *not* to add shipping styrofoam pieces to wall insulation?

My basement walls are covered with a few inches of polyiso foam board with interior stud walls being built over the foam board. I have some extra pieces of foam board from the installation that I am ...
0 votes
2 answers
84 views

Raised Deck for Enclosed Sunroom

I framed a 14' x 16' deck on piers between 3-4' from grade as the base for an enclosed, heated Sunroom. I applied 4X8 sheets of 1/2" PT to the underside. Then I used 1 1/2" Styrofoam ...
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0 answers
194 views

Question: Condensation - Insulation and a 130 year old double boarded house

I own a house that was built around 1890 to 1910 located in central Pennsylvania. It is a double boarded house meaning that it has no framing at all, it is a unique type of construction that was used ...
1 vote
5 answers
2k views

Proper glue for sticking foam on window glass? Strong enough, removable, and without gap

Winter is coming. I plan to stick soft polyethelene foam on window glass for thermal insulation. Last time I use Styrofoam glue, and it is a disaster. It is hard to remove it. It take hours with ...
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0 answers
255 views

Excessively hot window frames

I live in Arizona. The frames on the windows that face west get extremely hot inside the house. I have sun screens installed and the aluminum frame touches the exterior window frame thus ...
1 vote
0 answers
23 views

Attaching trim to walls that are backed by foam

As a result of a deep-energy retrofit/remodel, my exterior walls are now 1/2" sheetrock backed by 2" of polyiso foam against the studs. We are now trying to install trim (casing, crown, and baseboard ...
1 vote
2 answers
57 views

How to deal with the mess when working with Tuff-R

Recently we bought a piece of Tuff-R -- I guess you would call it a styrofoam insulation board -- and cut it to fit a small window exactly. It is a temporary measure, to get through the winter. The ...