Installing Rigid Foam Above a Concrete Slab
Jan 11, 2019 · If your basement slab lacks sub-slab foam, you'll have to install the insulation above the slab. There are several ways to install subflooring above the rigid foam: you can use either one or two layers of plywood or OSB, and the subflooring can either be fastened to the concrete with long Tapcon screws or it can simply float above the foam.
The Best Way to Insulate a Floor - GreenBuildingAdvisor
Jun 2, 2014 · -1" Rigid foam insulation My 2x10 floor framing will go over that and the lower 2x4 framing will be attached to that. Essentially there is 1/2" OSB and 1" rigid insulation on the outside of the floor joist. I am putting R19 fiberglass insulation in the joist cavity and 3/4" Advantech subfloor on top. This will go towards the bottom with air gap ...
Is it possible to install rigid foam just below laminated flooring ...
Jun 18, 2016 · Imagine a pier foundation house. The foundation beams and joists are already on place and the floor joists are only 5¨. Not enough for our insulation ambitions. Over the Floor Joists there will be a plywood or OSB. What if, instead of insulating between the floor joists (as originally intended), we insulate above the OSB/plywood, which is above the floor joists?
Installing Rigid Foam Between Floor Joists Above Crawlspace
Jan 15, 2018 · If you do this, you want to choose batts that fill the entire depth of the joists bays (or use blow-in insulation). 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.
Rigid Foam Insulation - GreenBuildingAdvisor
Rigid Foam Insulation We have a third floor condo in Chicago with Cinder block-Firring strip Wall construction. Since firring strips are used in place of 2x4 studs I believe there is 3/4"-1 1/2" wall cavity for insulation and fiberglass bats are probably not going to be of any use What is the best product for insulating the room.
Choosing Rigid Foam - GreenBuildingAdvisor
Feb 5, 2016 · 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, …
Rigid insulation under subfloor, over joists
Apr 7, 2019 · As the sleepers dig into the rigid foam, your wall won't be level anymore. Don't try to do too many things at once. Start by leveling your floor -- either by your method (sans foam), or by demolishing the existing subfloor and sistering new level joists to each existing joist.
Floating plywood floor on rigid foam insulation on concrete ...
Dec 14, 2011 · I am proposing a project for a slab on grade Habitat house with 2" of foam under the slab and 1 1/2" or 2" of foam on top of the slab with 3/4" t&g plywood or osb floor. I want to float the plywood rather than use screeds to minimize thermal bridges. The interior walls are all non-bearing so they can be fastened to the plywood.
Insulating with rigid foam over subfloor - GreenBuildingAdvisor
Aug 5, 2020 · I want to insulate the floor while still preserving head space in the room. I want to make a subfloor – styrofoam board insulation – Luan sheathing sandwich above the subfloor then topped by Carpet Tiles. What is the minimum recommended width for the styrofoam insulation and the Luan to protect from damage from walking on the floor.
Can I put foam board insulation on top of one floor and lay …
Nov 25, 2012 · Q. "If I put foam board insulation on top of the old floor and level the new floor will the new floor keep the cold out?" A. Yes. Of course, the thicker the foam, the higher the R-value of the floor assembly. Pay attention to air sealing when you …