A hot-roof is one where there is no ventilation required in the roof as the 2lb closed cell spray foam insulation is directly applied to the roof sheathing. Building Code in Nova Scotia specifies a minimum R-Value of R-31 in a hot-roof application.
A hot-roof is one where there is no ventilation required in the roof as the 2lb closed cell spray foam insulation is directly applied to the roof sheathing. Building Code in Nova Scotia specifies a minimum R-Value of R-31 in a hot-roof application.