Questions tagged [styrofoam]

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3 answers
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Can I use Styrofoam packaging pieces as insulation?

I have a walk in closet that’s 12 feet long. The one wall is an outside wall with a high shelf and a hanger rod underneath the 12 foot length. It is very cold in this closet. Would it create a problem ...
Barbara's user avatar
  • 51
0 votes
0 answers
13 views

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 ...
Charlene W Notelling's user avatar
1 vote
0 answers
99 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 ...
Vulcan's user avatar
  • 111
2 votes
1 answer
284 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 ...
Ya Guy Godzilla's user avatar
2 votes
1 answer
1k 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 ...
absentx's user avatar
  • 31
2 votes
2 answers
2k 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 ...
susie derkins's user avatar
0 votes
2 answers
173 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 ...
Beekster's user avatar
0 votes
0 answers
235 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 ...
Matt4101's user avatar
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 ...
Superuser's user avatar
  • 291
0 votes
0 answers
310 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 ...
John Butler's user avatar
1 vote
0 answers
39 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 ...
David Pfeffer's user avatar
1 vote
2 answers
63 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 ...
aparente001's user avatar