The walls in your home have 25mm of expanded polystyrene (R-value 3.96) and 25mm of rigid urethane foam (R-value 7.50). What is

Question

3 years ago

11

the R-value of your insulation?

1 answer:

Finger [1] · Answer 1 · 2022-02-19T15:43:06+03:00

Finger [1]3 years ago

7 0

Answer:

3.6 per inch

EPS insulation features an average r-value of 3.6 per inch.

In addition to providing energy efficiency, EPS without film facers has a perm rating of up to 5.0.

Explanation:

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