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How to Insulate a Monolithic Slab [GUIDE]

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How to Insulate a Monolithic Slab [GUIDE]

A how-to guide for slab-on-grade foundations in either hot or cold climates


By By Dan Morrison July 14, 2016
Use Z-flashing above the insulation to keep water out.
This article first appeared in the July 2016 issue of Pro Remodeler.

Combatting heat flow through a slab boils down to putting insulation over the biggest energy leaks, and one big cold spot on a slab-on-grade house is where the edge of the slab is left exposed to the outdoors. Review the step-by-step guide below, then read more about insulating monolithic slabs and watch an animation

 

Hot1a

cold 1b

Hot2a

Hot3

siding4

chart

diagram

 


written by

Dan Morrison

Dan Morrison is senior technical editor of ProTradeCraft.com, a sister site to Professional Remodeler.


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