In order to increase the insulation values i want to first add a layer of the rigid foam board.
Green buildings exterior rigid insulation detail hardie siding furring.
Building science and green building specialization.
This creates an air space between the back of the siding and the face of the foam that drains and dries readily.
Increased use of continuous insulation such as rigid foam wall sheathing with greater thickness i e.
Cladding attachment over thick exterior rigid.
It was ant chewed rigid foam insulation removed from the.
James hardie recommends that you consult with your design professional if you have questions regarding exterior wall drainage on your single family project.
Rigid insulation sheathing is made of a rigid plastic foam that is typically sold in 4x8 or 4x10 foot boards.
The james hardie siding fastener.
Individual buildings all exterior cladding products including hard siding brick stone stucco and vinyl.
3 5 fastener to siding 1 embedment 3 5 0 5 1 5 1 5.
It may look easy to go buy some packs of rigid insulation panels down at the.
Exterior wall assembly for siding applied to furring note.
Your article is vey timely for me.
1 inch and 2 inch thicknesses are common.
The boards are available in several thicknesses and r values.
Would it be better insulation if i remove the celotex and use a 1 foam board instead.
Adding extra insulation to the exterior walls of an older home when renovating or remodeling is a great way of improving a home s walls thermal performance and reducing energy use while reducing heating bills carbon footprint and improving a building s comfort level.
The furring strips are fastened directly over stud locations and then siding is nailed to the furring strips.
This is why i like this site.
Hardie plank recommends a maximum of 1 of foam board celotex type material under their lap siding so the 1 2 foam and 1 2 celotex would be fine.
Gypsum sheathing the combined thickness of layers e f must be less than 4 inches.
How to insulate house walls from the outside.
Continuous rigid insulation is a construction solution that provides a thermally efficient building enclosure.
I appreciate you providing more info on this overlooked detail.
I ve had trouble finding any details on fastening siding to furring strips on a wall with exterior rigid foam insulation.
Insulation background current building code does provide prescriptive means to.
Exterior rigid insulation 1x3 wood furring strips.