Rigid Foam And Batt Insulation

Yes foam board insulation is an excellent complement to batt insulation.

Rigid foam and batt insulation.

Foam board foam board insulation or rigid panels of insulation can be used to insulate almost any part of your home from the roof to the foundation. Insulated foam sheets are also used as an insulated sheathing underlayment for exterior siding. Cutting rigid foam board to fit between studs will be labour intensive and will not offer any significant improvement to your wall s thermal performance. Also squeezing an r19 batt into the remaining space will reduce the performance of the batt.

Fiberglass devoured the insulation industry in the 1970s for obvious reasons. Polystyrene and polyurethane are the most common materials used in making foam board. Spray foam pink fiberglas vs. It has a higher r value per inch of thickness it s resistant to moisture and is easy to work with.

These are panels of rigid foam sold in 4 by 8 foot sheets in a variety of thicknesses from 1 4 to 2 inches it is also sold in large bundled panels joined at the ends accordion style for use as an exterior sheathing material. Foam board insulation sheathing reduces heat conduction through structural elements like wood and steel studs. Used in this way the foam lowers the loss of energy through framing members a phenomenon called thermal bridging and increases the overall r value of the roof or wall assembly. Keep in mind that any interior rigid insulating panel must be covered by a barrier.

There are a few different kinds of foam board insulation diyers should know about. Insulation project calculator how to install naima r value certification product training videos colab learning video library for pros distributor locator why owens corning insulation propink vs. Follow with a 2x4 frame wall and insulate it with batt insulation. A common choice is drywall.

Flash and batt is a hybrid insulation approach combining fiberglass insulation and closed cell spray foam. Nor will that approach address thermal bridging through the studs. It is often used as a layer of continuous insulation on exterior walls and in the roof. Rigid foam insulation uses one of three materials.

Foam board insulation can add insulation and eliminate thermal bridging when used in wall and ceiling assemblies insulated with batts. Flash and batt insulation is one example of a new technique being implemented by insulation contractors. Rigid foam insulation packs a lot of r value into a relatively thin package.