Foam board insulation types.
Pink foam insulation r value.
R value is a measure of insulation s ability to resist heat traveling through it.
Choose from three types of insulating foam core boards for wall insulation.
Additional r value for a masonry wall constructed using these materials needs to add the insulating value of additional wall components typically included such as 1 solid foam polyisocyanurate r 8 extruded polystyrene r 5 expanded polystyrene r 4 or 1 of perlite r 2 7 and for an exterior air film winter no wind r 0 17 an interior.
Recommended home insulation r values.
Insulfoam rigid foam is a high performance built to spec sheathing insulfoam rigid foam is a high performance built to spec sheathing insulation that provides superior r value and moisture resistance.
Eps is used under roofing over foundation walls and beneath siding.
Each type comes with unique advantages.
There are three basic foam insulation board products on the.
R 5 small projects rigid pink foam board insulation sheathing model pp1 view the owens corning diy insulation solutions 5 98 5 98.
Insulation level are specified by r value.
It is offered in multiple thicknesses and dimensions in both square edged and tongue and groove joints.
The table below shows what levels of insulation are cost effective for different climates and.
It provides an r value of 4 per inch of thickness and is the cheapest type of foam board insulation.
Because rigid foam plastic insulation products are not all aged in accordance with the same standards it is useful to publish comparison r value data.
I ve written several posts about how to insulation basement walls in which i promote the use of foam board insulation as the first line of defense against moisture and mold.
As insulators pink and blue boards perform virtually identically with an insulating value of r 5 per inch of thickness.
The higher the r value the better the thermal performance of the insulation.
Because of this i often get questions about which type of foam board insulation to use and what r values these products provide.
For example if you have a type of insulation that has an r value of r 5 per inch of thickness you will need a depth of 6 inches of this insulation installed in your attic to reach r 30 if you live in zones 2 or 3.
Products with a higher r value have a higher cost but have an increased capacity to resist heat flow and therefore provide greater insulation.
These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation.
Pink and blue rigid foam insulation boards are made from polystyrene resin that is melted and then forced through a die to form it into the desired shape.
Project panels foamular 1 in.