Insulation Between Hardiplank Siding And Concrete Block

Depending on the density of the blocks an 8 inch thick block wall without any other type of insulation has a thermal resistance value between r 1 9 and r 2 5.

Insulation between hardiplank siding and concrete block.

And other non nailable substrates e g. Hardiplank lap siding can be installed over braced wood or steel studs spaced a maximum of 24 o c. Of unfaced expanded polystyrene r 15 that allows the foundation to dry inward and condition the space with air from inside the house. I have a 1950s brick colonial with uninsulated concrete block walls.

James hardie s seal of approval indicates products recommended for use by james hardie building products circular saw with dust collector circular saw blade with carbide tipped teeth framing requirements. David caruso springfield pa. Concrete block concrete forms. Made out of a mixture of wood pulp and synthetic polymers lp smartside siding is designed to thrive in all types of weather conditions.

I m taking all the siding off repairing what i can insulating and installing hardie siding. However when compared to james hardie siding it tends to falter in absurdly humid conditions. Fiber cement problems are rare but do happen from time to time. How do i insulate walls with stud bays only 1 inches thick.

One new wrinkle for many builders is walls built with fiber insulation between the studs. And there is no effective way to fill the voids in an existing concrete block wall. Nonetheless lp smartside offers a 50 year warranty on all of its siding. Inside the drywall is nailed to studs fastened flat against the block.

Advancing energy codes include high performance wall insulation details. I m at the point of beginning to consider what to put under the siding specifically as a vapor barrier. Problems with hardie siding. Courtesy of ben rumery.

Leave the floor above it uninsulated vapor seal the ground below with polyethylene and a thin concrete slab insulate the walls with a foam based insulation such as 4 in. Method 1 james hardie siding installed directly over continuous insulation c i and other non nailable substrates e g. Or directly to minimum 7 16 thick. Hardie siding problems a k a.