Concrete Floor Insulation Detail

These overall r values do not account for the heat sinking effect of concrete piers where they are included to support a slab footing from below. If your concrete floor is for industrial or heavy duty applications then any insulation you use needs to have a high compressive strength to take the weight of whatever is above. Alternative solutions 4 and 5 for continuous insulation of on ground concrete floor slabs.

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There are two ways to handle insulating concrete floors.

Concrete floor insulation detail.

Insofast eps foam panels provides a one step solution to finishing a floor with embedded studs built in to the. Typically the insulation would be situated below the slab and below the damp proof membrane for heavy duty use whilst normal domestic buildings would have a. Insulation below the slab suits continuous low level heating gradually warming the thermal mass of the concrete and sustaining it at a consistent temperature. Or as demonstrated here you can cover the slab with rigid foam insulation add two layers of plywood and then add the finish flooring.

Since the slab will be approximately 5 degrees warmer than the room temperature a 75 degree slab is quite common. A suspended timber floor is constructed as a timber platform of boards nailed across timber joists supported on sleeper walls and the external and internal load bearing walls surrounding them. You can attach wood sleepers to the floor fill the gaps with rigid foam insulation and then apply your finish flooring. Included in this group of details are variations in construction systems insulation location and moisture management strategies.

Of xps or eps insulation at this location. Once the basement is prepped choose an insulation to reduce heat loss and moisture transfer from the slab. Detail of insulation on a radiant slab. There are many approaches to insulating a radiant slab but the detail at right shows a frequently used method.

Most builders install 2 in. Address uneven floors prior to installing any floor system the low spots should be fixed with concrete patch or floor leveler. Insulation and fenestration criteria table 402 1 1 insulation and fenestration requirements by componenta climate zone fenestration u factorb skylightb u factor glazed fenestrationb e shgc ceiling r value wood frame wall r value mass wall r valuei floor r value basementc wall r value slabd r value depth crawl spacec wall r value e402 1 1. Where the heating is likely to be turned on and off such as in new build domestic properties and a faster thermal response is required the floating floor arrangement of.

Figures 4 9 through 4 11 and 4 15 show configurations with insulation on the exterior surface of the foundation. If concrete needs to be wheeled across the floor simply lay down some. Although timber ground floor construction used to be a popular method today it is not as common as the concrete alternatives. Figures 4 12 through 4 14 show variations where the slab is the primary location for insulation.

Thicker insulation is better of course as long as the builder can come up with a detail that allows finish flooring to be installed easily near the exterior walls a task that can be difficult if the foam insulation is exposed at this location. Submitted in 2016 for drc step 3 construction documentation review was an.

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Figure 3 15 Illustrates A Poured Concrete Crawl Space With Exterior Rigid Insulation The Rigid Wall Section Detail Building Foundation Waterproofing Basement

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