Spray Foam Insulation Versus Batt Insulation

If it gets wet r value will be decreased.

Spray foam insulation versus batt insulation.

Fiberglass insulation is significantly cheaper than spray foam insulation but it is also less effective especially in extremely cold conditions. Batt fiberglass features tightly woven glass strands that come together to create a matrix. It also takes a lot of energy to manufacture making it less environmentally friendly compared to spray foam. The big disadvantage with spray foam is cost.

The average cost is around 1 per square foot. An r 30 fiberglass batt performs like an r 19. Fiberglass batt insulation is priced by the roll or by the square foot. For example roll insulation suitable for 2 4 wall and ceiling cavities is about 0 35 to 0 40 per square foot.

Spray foam expands up to 100 times its original size to fill every corner of your home s envelope for thermal insulation and air sealing. Foam insulation vs standard insulations. Closed cell spray foam insulation cost is 1 25 2 00 per board foot for the material diy. Batt insulation does not have as high of an r value compared to spray foam.

Used in roughly 85 of american homes fiberglass insulation is the most common form of home insulation. I d blow insulation on the attic floor after air sealing of course. Now that you understand the differences between standard and spray foam insulation call today or click here for a free estimate on our services. Pros and cons of spray foam insulation spray foam has a number of benefits starting with the fact that it lasts longer than fiberglass insulation because it doesn t break down as easily.

Back to spray foam facts page. It s hard to perfectly install fiberglass and cellulose. A poly plastic layer and sealing is needed to provide an air vapour barrier. If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary.

Choose greenguard in winnipeg. When the engineer goes to calculate the size of the units that you need to heat and air your building they re able to size them slightly smaller because the units don t have to work so hard. Fiberglass insulation vs spray foam insulation comparison. It can sag and compress over time decreasing its thermal performance.

Batt fiberglass has been used more extensively than spray foam throughout history and it still holds up as one of the most affordable and reliable options. You also get savings by using spray foam insulation because the liquid really seals the attic much more tightly than batt insulation. Unlike spray foam insulation that acts on its own fiberglass batt insulation and poly plastic require one another for the system to be effective. For new builds batt insulation is the more popular choice.

It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass.