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.
Insulation between hardiplank siding and concrete block.
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.
Nonetheless lp smartside offers a 50 year warranty on all of its siding.
And there is no effective way to fill the voids in an existing concrete block wall.
One new wrinkle for many builders is walls built with fiber insulation between the studs.
Fiber cement problems are rare but do happen from time to time.
Method 1 james hardie siding installed directly over continuous insulation c i and other non nailable substrates e g.
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Concrete block concrete forms.
And other non nailable substrates e g.
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.
I m at the point of beginning to consider what to put under the siding specifically as a vapor barrier.
I plan to add osb of some sort rather than just nailing the siding to the studs.
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.
Inside the drywall is nailed to studs fastened flat against the block.
I have a 1950s brick colonial with uninsulated concrete block walls.
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.
How do i insulate walls with stud bays only 1 inches thick.
Or directly to minimum 7 16 thick.
Made out of a mixture of wood pulp and synthetic polymers lp smartside siding is designed to thrive in all types of weather conditions.
Courtesy of ben rumery.
Hardiplank lap siding can be installed over braced wood or steel studs spaced a maximum of 24 o c.
However when compared to james hardie siding it tends to falter in absurdly humid conditions.
Advancing energy codes include high performance wall insulation details.
Of unfaced expanded polystyrene r 15 that allows the foundation to dry inward and condition the space with air from inside the house.