Green Buildings Exterior Rigid Insulation Detail Hardi Siding Furning

How to insulate house walls from the outside.

Green buildings exterior rigid insulation detail hardi siding furning.

Exterior wall assembly for siding applied to furring note. Exterior rigid insulation 1x3 wood furring strips. Forums green building forums green energy efficient building and construction details for hardie plank siding over foam board. It may look easy to go buy some packs of rigid insulation panels down at the.

Section 1 exterior wall drainage requirements 1 water resistive barrier and drainage requirements as defined by building code. I appreciate you providing more info on this overlooked detail. This is why i like this site. 1 inch and 2 inch thicknesses are common.

2 water resistive barrier as defined by local building code that is manufactured to meet minimum 90 drainage efficiency when tested in accordance with astm e2273 or other recognized national standards. 3 5 fastener to siding 1 embedment 3 5 0 5 1 5 1 5. Plans call for vertical wood siding over a layer of rigid foam insulation. I ve had trouble finding any details on fastening siding to furring strips on a wall with exterior rigid foam insulation.

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. Your article is vey timely for me. 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. If layer f from figure 2 above is a non nailable substrate e g.

In order to increase the insulation values i want to first add a layer of the rigid foam board. If that sounds more or less straightforward the details are not. 3 water resistive barrier wrb as defined by building code and a. Gypsum sheathing the combined thickness of layers e f must be less than 4 inches.

The james hardie siding fastener. The contractor has limited experience working with rigid exterior insulation remsberg writes and has concerns that installing siding directly over the foam may not be a great idea. Cladding attachment over thick exterior rigid. Rigid insulation sheathing is made of a rigid plastic foam that is typically sold in 4x8 or 4x10 foot boards.

Insulation background current building code does provide prescriptive means to. Continuous rigid insulation is a construction solution that provides a thermally efficient building enclosure.