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.
Green buildings exterior rigid insulation detail hardi siding furning.
The james hardie siding fastener.
Continuous rigid insulation is a construction solution that provides a thermally efficient building enclosure.
If that sounds more or less straightforward the details are not.
It may look easy to go buy some packs of rigid insulation panels down at the.
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.
Your article is vey timely for me.
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3 water resistive barrier wrb as defined by building code and a.
3 5 fastener to siding 1 embedment 3 5 0 5 1 5 1 5.
How to insulate house walls from the outside.
Forums green building forums green energy efficient building and construction details for hardie plank siding over foam board.
Exterior wall assembly for siding applied to furring note.
Would it be better insulation if i remove the celotex and use a 1 foam board instead.
In order to increase the insulation values i want to first add a layer of the rigid foam board.
Plans call for vertical wood siding over a layer of rigid foam insulation.
Rigid insulation sheathing is made of a rigid plastic foam that is typically sold in 4x8 or 4x10 foot boards.
I ve had trouble finding any details on fastening siding to furring strips on a wall with exterior rigid foam insulation.
If layer f from figure 2 above is a non nailable substrate e g.
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.
Cladding attachment over thick exterior rigid.
Section 1 exterior wall drainage requirements 1 water resistive barrier and drainage requirements as defined by building code.
1 inch and 2 inch thicknesses are common.
The boards are available in several thicknesses and r values.
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.
Gypsum sheathing the combined thickness of layers e f must be less than 4 inches.
Exterior rigid insulation 1x3 wood furring strips.