Rigid Foam Insulation - GreenBuildingAdvisor
2010年2月1日 · Rigid foam sheets are sold in several thicknesses; most lumberyards carry insulation ranging from 1/2 in. to 2 in. thick. Thicker sheets (up to 6 in. thick) are usually available by special order. If you are looking for a substitute for rigid foam insulation that isn’t made of plastic or petroleum, you might want to consider using cork ...
Which way should the foil facing on polyiso rigid foam face?
2017年12月17日 · As Dana explained, the foil facing on rigid foam has the effect of raising the R-value of an adjacent air space if there is an adjacent air space. It doesn't matter which side of the air space (or the foam board) is the "hot" side for this to work. R-value is R-value -- …
How to Install Rigid Foam on Top of Roof Sheathing
2015年4月3日 · A. No. Fiberglasss batts are not an air barrier. To seal air leaks, you need caulk, tape, or sheets of rigid foam with air-sealed edges, depending on the side of the opening -- or you can use canned spray foam (or two-component spray foam). Q. "Our neighbors had carpenter ants, and we might have them.
Installing Rigid Foam Above a Concrete Slab
2019年1月11日 · To directly answer the question--I just loose-laid the foam sheets down on the floor, no foam adhesive. But using some foam (in the right amounts, per Martin) would do a nice job of filling any air gaps below the foam, and helping (possibly) deal with an uneven substrate. I used housewrap-type tape to seal the foam joints as an air barrier.
Can I add foam insulation to the inside of a wall instead of exterior ...
2010年11月22日 · Chris, If you strap over the foam, then electrical boxes can be moved out to the strapping. The strapping, holding the foam board tight to the studs, allows blowing dense-pack cellulose through holes cut in the foam which are then sealed with the cutout plugs and canned foam or foil tape if the foam is foil-faced.
Choosing Rigid Foam - GreenBuildingAdvisor
2016年2月5日 · UPDATED on January 25, 2018 with information on phenolic foam. Maybe you’ve decided that your floor, wall, or roof assembly needs one or more layers of rigid foam. Which type of foam should you choose: polyisocyanurate, expanded polystyrene (EPS), or extruded polystyrene (XPS)? The answer depends on several factors, including your R-value target, …
Spray Foam insulation and foam board - GreenBuildingAdvisor
I've never used open cell spray foam in combination with rigid foam sheets, but I have no reason to think it wouldn't stick too. I'd be careful with either closed or open cell spray foam and EPS though just to make sure the spray foam doesn't cause any melting issues with the EPS in the moments before it cures.
Installing Rigid Foam Between Floor Joists Above Crawlspace
2018年1月15日 · Step three: Install a continuous layer of rigid foam on the underside of the the joists. Pay attention to airtightness -- you will want to seal the seams of the rigid foam with high-quality tape. Step four: Install a layer of OSB or plywood to protect the rigid foam from creatures.
Video: How to Install Rigid Foam Insulation Outside a House
2010年1月6日 · Installing rigid foam on the outside of a house is a great way to double the R-value and eliminate air leaks. Large sheets of foam insulation, screwed and sealed to the walls or roof, can cover or replace conventional sheathing and create a continuous barrier to heat loss or gain—something you don’t get with cavity insulation alone.
Using Polyethylene foam sheets for camper insulation
2019年12月9日 · Polyethylene Foam: If you've ever purchased something that is fairly heavy like an old tube stye TV the packaging material used was sometimes polyethylene foam - it's basically squishy styrofoam that is very durable, it's even somewhat difficult to tear a piece in half.