Frost wall / Discussions

...wall should it go? what is good for the perimeter of the house? Just granular A sloped 1:30 like code states slope? or maybe put drainage pipe anyway 4" away from outside wall and 12" down.   The proper procedure for building slab on grade foundation starts with building it on a suitable base that won't heave and that ...

...frost walls or stem walls to get below the frost line that we seem to have forgotten why we do that, which is simply using 'dirt' as insulation. A frost protected shallow foundation uses 'insulation' as insulation instead, read more here on our slab guide page - How to build a slab on grade foundation in a cold climate...

...frost wall, but those can sometimes be trickier to insulate properly. We recently built a new demonstration house (which is nearing completion) where we used frost protected shallow foundation forms in insulating foam. We chose that partly for performance, but also because the house is seated on expansive soils, so a f...

...frost wall and wante to do infloor heating. Since the slab need to be insulated all around, a builder told me he would not recommend that due to the entire weight of the building resting on the insulation sandwiched between the ground and the slab. What do you think?  A Slab on Grade needs to be built correctly, but no...