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Insulation

Insulation R ratings

A 150mm thick polyurethane foam insulation layer will typically have an R-value between R-22.5 and R-42, depending on the specific type of polyurethane foam.

Closed-cell spray polyurethane foam typically has an R-value of R-6.5 to R-7 per inch.

Therefore, 150mm (approximately 6 inches) of closed-cell spray foam would have an R-value of roughly R-39 to R-42. 


Foam insulated 6 inches
Ready for our Canadian winters!

Here’s some information about foam insulation for Canadian winters:


Foam insulation is highly effective for Canadian winters, offering excellent R-values

(resistance to heat flow). A 150mm (around 6 inches) layer of polyurethane foam can provide an R-value between R-22.5 and R-42, depending on the type.

Closed-cell spray foam typically has an R-value of R-6.5 to R-7 per inch, meaning 150mm of it would achieve an R-value of roughly R-39 to R-42.

Rigid foam boards, such as polyisocyanurate, can also have high R-values, some reaching R-6.5 per inch.

These high R-values ensure that container homes stay warm during the cold Canadian winters.

Quality Spray Foam Insulation

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