An curved arrow pointing right. Mudjacking or slabjacking is a technique used to raise and level concrete. Foundation Works has developed a new foam technique, Polylevel, that can raise thousands ...
If you have a concrete block foundation, also seal the openings on top with expanding foam. Stuff a wad of fiberglass insulation into each opening to support the foam as it hardens (see Figure A ...
Mineral wool beneath ground floor floorboards. For concrete floors rigid foam insulation can be used. Trapped air between carpet threads, wool fibres and within foam reduces heat loss by conduction.