Installing Hardie Siding Over Foam

Our company plans on removing old siding installing new 1 foam then new hardi plank siding.

Installing hardie siding over foam. Hardiplank lap siding can also be installed over foam insulation up to 1 thick irregularities in framing sheathing and or foam insulation can mirror through the finished application. Or directly to minimum 7 16 thick osb sheathing. Lower the pressure on the gun and make sure the gun has depth of drive. Hardiplank lap siding can be installed over braced wood or steel studs spaced a maximum of 24 o c.

Things are going to get interesting when iecc 2012 is adopted which requires exterior foam zones 6 and up. I think there s tar paper in there somewhere but they were pretty casual about putting it on at least 4 of the bottom of the walls exposed in most places. Becouse the foam compresses. We re building a new home sw virginia with 2x6 studs on 24 inch centers.

When applying james hardie siding directly over the combined thickness of foam sheathing continuous insulation and other non nailable substrates e g. Siding over rigid foam view all 5 photos play slideshow. We will be leaving in the old windows. Installing hardie over 1 quot.

My entire house is hardie over 3 4 foam that was gun nailed. I seam to be blowing out the back side of the siding. Siding over rigid foam a vented drainable air space keeps wood siding dry and stable. The walls are 2x4 stud filled with guessing r 2 fiberglass batts with foil backed drywall inside and 1 2 crumbly yellow foam outside and vinyl siding over that.

How to install rigid foam under siding. Gypsum sheathing up to 1 inch thick the foam sheathing and other non nailable substrates do not have nail holding capacity. Installing fiber cement siding over rigid foam sheathing i think the hardie instructions only allow for 1 foam like sailboat said sounds like mark s house is just fine however. Then i discovered that lp s installation instructions specify 1 5 inch x.

Many houses built today have a double wall type of insulation with fiberglass batts fastened between the studs on the inside and rigid foam board over. It then pops the nail right through the siding. Insulation is everyone having as much hell as i am installing fiber cement siding over 1 2 foam. We knew we had to use the 76 series smartside product for the 24 inch centers.

We put 2 x 4 furring studs laid flat over the foam and attached to the wall studs with 1 5 inch foam between the furring studs rain screen over everything and finally the lp siding. We had hoped to use 1 5 to 2 inches of eps rigid foam to the exterior of the sheathing then 3 4 inch x 4 inch plywood furring strips then lp smartside lap siding.