High Density Foam Insulation R Value
Open cell spray foam is rated at about r 3 5 per inch while closed cell spray foam is much more efficient at r 6 0 to r 6 5 per inch.
High density foam insulation r value. Compared to how traditional insulation performs over time commercial spray foam insulation has a far superior r value. Typically a higher insulation r rating means better climate control and better energy efficiency for your home. This material offers the highest r values about r 6 to 6 5. Resistance properties a high r value retained even after prolonged exposure in high moisture environments.
Aerogel has an r value of about r 10 per inch is 99 air and insulates up to 37 times higher r value than fiberglass. It provides r values that range from 3 6 to 4 2 per inch. Opt for the closed cell variety if you need an air barrier vapor barrier and efficient insulation in the least amount of space possible. Why spray foam insulation is so effective in meeting code requirements is that it has a higher r value per inch of product used than batts.
It provides about r 5 per inch. The higher the density of the foam the higher the r value per inch. For 6 inches r 15 or r 19 etc. Choose this option for areas that need a good amount of strength and water resistance.
1 4 thick hardboard high density r 0 25 30 note that many builders refer to this wood product hardboard by a specific trade name masonite or masonite hardboard. A higher insulation r value usually means a higher price point as well. Consider spray foam anywhere you need an air barrier as well as insulation. Here are some currently available high r building insulation products as well as some specialty very high r insulation materials.
Aging effects comments. R value insulation wikipedia the free encyclopedia for the most part testing the r value of insulation is done at a steady temperature usually about 70 f with no r 4 r 5. A 3 5 inch deep fiberglass rockwool or recycled denim batt for a typical 2 4 wall may say it provides r 11 or r 13 depending on fiber density. Energy studies show that fiberglass insulation can loose up to 8 of its r value before the contractor even installs it.
Some products have reinforced facing to make them sturdier. High density fiberglass batts read article. Closed cell spray foam r values. Insulation r values vary based on the type thickness and density of the insulation material.
Hardboard high density standard tempered 1 4 thick per inch.