Figure 3-15 illustrates a poured concrete crawl space with Exterior rigid insulation.  The rigid insulation aligns with rigid foam sheathing over the 2 x 4 wood frame wall above grade.  Rim joist insulation is provided by the exterior foam sheathing, and additional rigid insulation on the inside of the rim.  The crawlspace floor consists of a thin “rat slab” cast over perimeter rigid insulation.

Figure 3-15 illustrates a poured concrete crawl space with Exterior rigid insulation. The rigid insulation aligns with rigid foam sheathing over the 2 x 4 wood frame wall above grade. Rim joist insulation is provided by the exterior foam sheathing, and additional rigid insulation on the inside of the rim. The crawlspace floor consists of a thin “rat slab” cast over perimeter rigid insulation.

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STRUCTURAL INSULATED PANEL : composite building units consisting of two outer skins bonded to an inner core of rigid insulating material, most commonly expanded polystyrene

STRUCTURAL INSULATED PANEL : composite building units consisting of two outer skins bonded to an inner core of rigid insulating material, most commonly expanded polystyrene

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How to Attach Rigid Insulation to Ceilings

How to Attach Rigid Insulation to Ceilings

Uninsulated rim joists are huge energy losers. Now's the time to insulate and seal your rim joists. One option is to seal the rim joists with rigid insulation cut to fit. We recommend a minimum of 2-in.-thick extruded polystyrene, but check your local codes to see what's required. If you have a table saw, use it to cut strips equal to the depth of your joists. Then use a fine-tooth handsaw, utility knife or miter saw to cut the strips to length. Fill small gaps with caulk, and larger ones…

Uninsulated rim joists are huge energy losers. Now's the time to insulate and seal your rim joists. One option is to seal the rim joists with rigid insulation cut to fit. We recommend a minimum of 2-in.-thick extruded polystyrene, but check your local codes to see what's required. If you have a table saw, use it to cut strips equal to the depth of your joists. Then use a fine-tooth handsaw, utility knife or miter saw to cut the strips to length. Fill small gaps with caulk, and larger ones…

There's a Better Way: Cutting Rigid Insulation

There's a Better Way: Cutting Rigid Insulation

Wall section // vertical board siding // above stone veneer // 1 1/2" rigid insulation // drainage mat | GreenBuildingAdvisor.com

Wall section // vertical board siding // above stone veneer // 1 1/2" rigid insulation // drainage mat | GreenBuildingAdvisor.com

Insulate and dress up bare foundation walls using coated rigid insulation. Use termite resistant insulation for termite infested regions.

Insulate and dress up bare foundation walls using coated rigid insulation. Use termite resistant insulation for termite infested regions.

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