What needs to be under a slab? Well, it kind of depends. Is the slab for a home or an accessory building? Is there heat in the slab? Is there a radon requirement? This quick post is all about what I like to see included under a slab and the reasoning behind the sequencing.
Continue reading “Shorts-Sub-Slab Assembly”
I’ve written about sub-slab insulation and heated floors several times over the past couple years, this post is about something I’ve been thinking about for a while now, using a fibrous insulation, like Rockwool’s ComfortBoard 80 or 110 under a concrete slab with hot water heat. The questions I had about this strategy are one, will there be an issue with compression of the insulation when concrete is poured over the product? And two, will a staple be able to hold the hot water tubing in place?
Rockwool ComfortBoard being installed below a concrete slab. Photo by Travis Brungardt
Continue reading “Construction Design-Using Fibrous Sub-Slab Insulation with In-Floor Heat”