Insulation Between Hardiplank Siding And Concrete Block

I m at the point of beginning to consider what to put under the siding specifically as a vapor barrier.

Insulation between hardiplank siding and concrete block.

Hardie siding problems a k a. Problems with hardie siding. Courtesy of ben rumery. Concrete block concrete forms.

Fiber cement is a siding material that was first introduced in the 1980 s as a replacement for asbestos cement wood aluminum and vinyl siding products. However when compared to james hardie siding it tends to falter in absurdly humid conditions. Method 1 james hardie siding installed directly over continuous insulation c i and other non nailable substrates e g. Of unfaced expanded polystyrene r 15 that allows the foundation to dry inward and condition the space with air from inside the house.

Gypsum sheathing with combined thickness of 1 inch or less method 2 james hardie siding installed to furring strips that are attached through the c i. One new wrinkle for many builders is walls built with fiber insulation between the studs. How do i insulate walls with stud bays only 1 inches thick. Advancing energy codes include high performance wall insulation details.

David caruso springfield pa. Inside the drywall is nailed to studs fastened flat against the block. And other non nailable substrates e g. Nonetheless lp smartside offers a 50 year warranty on all of its siding.

Fiber cement problems are rare but do happen from time to time. 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. 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. I have a 1950s brick colonial with uninsulated concrete block walls.

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. I plan to add osb of some sort rather than just nailing the siding to the studs. And there is no effective way to fill the voids in an existing concrete block wall. Hardiplank lap siding can be installed over braced wood or steel studs spaced a maximum of 24 o c.