Concrete Slab Floor Insulation

Why it s important to insulate a concrete floor in the basement three key benefits of insulating the concrete floors in the basement are heat loss prevention moisture prevention and a higher level of comfort.
Concrete slab floor insulation. You can attach wood sleepers to the floor fill the gaps with rigid foam insulation and then apply your finish flooring. Up to 80 of heat loss in a floor slab occurs around the edges. Insulating a concrete floor can save you money on your heating bill making an attached garage or basement warmer and by extension the rest of your house. The foil within the product acts to spread out the heat signature of the heating coils.
The first thing to consider when looking into different types of concrete floors is why it s so important to insulate the floor slab. In terms of insulation the most critical part of the slab is its edge where the concrete meets the outside air. Eps 3 xps 2 faced or unfaced. The f factors for slab on grade floors are defined in standard 90 1.
Floor 1 garage 3 under slab 5 more ways to filter. There are two ways to handle insulating concrete floors. In addition to offering insulation and energy savings the plywood subfloor described here can provide the perfect foundation for finish flooring such as carpeting adding warmth in look as. 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.
These f factors are acceptable for all slab on grade floors but you need to make sure. Check out this article for a list of slab edge insulation solutions and episode 125 for my interview with henry edney of maxraft. 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. Here we look at why insulating concrete floors is so important and offer tips on choosing and installing concrete floor insulation.
The reflectix concrete slab insulation is an innovative easy to handle product that increases the energy efficiency of radiant floor and snow melt systems under concrete. Or as demonstrated here you can cover the slab with rigid foam insulation add two layers of plywood and then add the finish flooring. Insulation below the slab suits continuous low level heating gradually warming the thermal mass of the concrete and sustaining it at a consistent temperature. The concrete conducts heat from inside the building and an uninsulated.
Get free shipping on qualified under slab foam board insulation or buy online pick up in store today in the building materials department.