It typically is installed over rigid foam board insulation fastened to wood wall sheathing.
New window and siding install over foam board.
How to install rigid foam under siding.
This only increases the wall thickness 3 4 inch vs the furring strips william costello was planning to use and would only require increasing the interior window.
Some builders think that homes with picture frame window construction where windows are framed with strapping lumber before windows are installed should have the rigid foam go on first with the house wrap over that.
One major stipulation with the james hardie siding warranty is that it specifically states that if.
1 x 6 pt is installed around my window openings and will be flush with the furring strips.
Below are some of the design details along with the benefits.
Installing foam board insulation under vinyl siding today more than ever before homes are being built with foam board insulation installed on the outside of the sheathing and under the siding.
In particular the foam sheathing should be minimum 15psi compressive strength rated.
Vinyl siding can be used in original construction or as a replacement for old siding.
Removing existing siding and installing osb has several benefits such as having brand new substrate on the home and the ability to inspect the wall cavity and all framing insulation and structural integrity of the home before replacing siding.
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.
Both ways effectively prevent air leaks and infiltration.
Siding over rigid foam.
I am adding 1 1 2 inches of foam with a radiant barrier over my existing t 11 siding.
But if you use.
This detail is used with both new construction and also with renovation work.
New construction windows will be attached with the flanges to the 1 x 6 pt.
How housewrap affects ventilation.
After flashing the window area i am installing 1 x 4 furring strips on top of the foam.