Floor Slab Insulation

Consult appendix a table a6 3 1 in the 2016 edition for a tabulation of assembly f factors for slab on grade floors based on the arrangement and rated r value of the applied insulation.

Floor slab insulation. The f factors for slab on grade floors are defined in standard 90 1. The compacted aggregate base is first followed by a 6 mil polyethylene vapor barrier then insulation then rebar or wire mesh or both. 2015 iecc irc section r402 2 10 n1102 2 10 slab on grade floors. Insulation requirements for slab on grade floors can be found in section r402 2 9 of the 2012 iecc and section n1102 2 9 of the 2012 irc.

Kooltherm k3 floorboard is a super high performance fibre free rigid thermoset closed cell phenolic insulation for solid concrete ground based floors. 3 clean the surface of the slab thoroughly then apply a coating of asphalt primer to help the asphalt cement bond. Follow label directions and allow it to dry thoroughly. The insulation is then laid followed by a polythene separating layer and either a concrete screed or tongue and groove chipboard ready to receive the specified floor finish.

Kingspan insulated panels. The foil within the product acts to spread out the heat signature of the heating coils. 4 10 2012 3 climate zones e301 1 6 5 8 4 slab r value table 402 1 1 insulation and fenestration requirements by component e402 1 1 climatezone slab r valued 4 10 2 ft 5 10 2 ft 6 10 4 ft 9. Concrete slab on ground floor.

Lightweight rigid polyisocyanurate pir foam insulation boards such. R 15 scored squared edge rigid foam board insulation sheathing model 9gb view the owens corning basement and crawlspace insulation. Slab on grade floors with a floor surface less than 12 inches below grade should be insulated in accordance with information provided in the insulation and fenestration requirements by component table which is reproduced following this paragraph. Foamular foamular 250 3 in.

Mainly heated slabs radiate outward rather than downward so insulation on the edges of the slab is most important. Suitable product for concrete slab on ground floor. These f factors are acceptable for all slab on grade floors but you need to make sure. 4 where rainfall can be heavy use a fine tooth trowel to apply cold cut back asphalt mastic over the entire slab use about one gallon per 100 square feet of floor.

The insulation phase is crucial for a radiant floor. Both codes state slab edge insulation is not required in jurisdictions designated by the building official as having a very heavy termite infestation.