How to cut rigid foam insulation

Measure the distance on the foam board insulation that you wish to cut ,. Next, take your long straightedge and line it up with your cutting lines. Step - Cut the Foam Insulation Board. However it will look a little better. Also have them get a box of inch drywall or decking screws.

Mark your cutting line on the foam with a permanent marker. Lay the rigid foam insulation on a flat surface. Clamp the rigid foam to the flat surface. Use rubber clamps to secure both sides. I have cut a ton of XPS and EPS foam.

I cut long piece using my battery operated circular saw. If the insulation is thick the blade just leaves a hair to cut with a knife. The battery saw is the way to go. EPS leaves a lot of dust, xps not so much. Open windows for ventilation or work outdoors when using a hot-wire tool for cutting insulation.

While the wire is hot, allow the hot wire to melt through the insulation board. If using the craft knife , extend the blade longer than the thickness of the foam. Use a sawing motion to cut the board. Installation expert Jared explains how to cleanly cut rigid foam insulation to prevent fly-aways.

In this video, Chuck Miller of Brewster, Mass. Included are other tips for working with rigid-foam insulation. Foil-faced foam is a rigid insulation material that blocks heat from entering or leaving your home and minimizes noise pollution from the outside. The foil surfaces also act as moisture barriers. Best way to cut pink insulation foam board?

Just trying to find the best way to cut pink insulation foam board. Step 5: Place Foam Board in Place. If the measurements were accurate, the pink foam board should fit snugly in place.

If only one side is foil-face lay it foil-side up. Hold the straightedge in place with one hand. Cut along the line a second time, still holding the straightedge as a guide. Continue making deeper cuts into the. Thermal Bridges and Breaks.

A thermal bridge is any avenue. Not only does it provide high R-values, but foam board insulation is also easy to install, lightweight, and can be used in any room of your home. Rigid foam is meant to be continuous.

In other words, rigid foam can be applied on walls, foundations, and roofs, and works great for both retrofits and new constructions. Install these panels over wall or ceiling cavities, including those filled with existing fiberglass batts, to boost the R-value and improve home comfort and efficiency. The methods used to cut rigid PVC foam are similar to cutting standard PVC sheets, and like standard PVC, cutting methods vary depending on the thickness of the material. To completely insulate the wall, spray an appropriate foam insulation into the cavity behind the fi xture.

BUILDING AMERICA (BA) has been advocating the use of rigid foam sheathing insulation for years as a means to improve the home’s thermal envelope, by increasing R-value while minimizing thermal bridging in wood-framed walls. Foam insulation is an important part of maintaining energy efficiency inside and outside the home. It comes in large panels that look like drywall, but are comprised of foam and attach to the interior or exterior of the home. Used rigid pink foam and some white XPS foam. EPS and GPS Insulation Solutions.

The products are easy to handle, score, cut and install and no special tools are needed. Cut very careully for a tight fit. Installed tightly and sealed in place the foam is its own vapor barrier. To cut thick batts or rolls of fiberglass insulation easily, use an extendable utility knife that has snap-off blades.

Extend the blade all the way out to provide a long, sharp edge that perfect for cutting through thick insulation. Watch this video to find out more. Closed-cell insulation is rigid and dense, with a higher R-Value than open-cell. Most closed-cell spray is rated around 6. Bullet Tools has the most innovative insulation cutting tools on the market.

Whether cutting rigid foam , spray foam , or batts, we have a solution for you. There are several types of rigid foam board. Polyisocyanurate (polyiso) has the best R-value at 6. A inch thick board will be at least R-12. Possibly worth and then maybe add additional.

I understand it may not be the easiest to cut rigid insulation and attach between the rafters, but it seems I read about this practice all the time as a way to create baffle vents. Cover AP Foil-Faced insulation with a 15-minute thermal barrier or ignition barrier as required by local building code. Cut rigid foam paneling to cover upper panels and ceiling.

Measure and cut the rigid foam to fit into the ceiling and the pop-out windows (if you have them). These should go over the reflectix.