Floating Floor Insulation Board. Four ways to insulate your floor Draught-proofing - simply use sealant or caulking to fill the gaps between your floorboards and between skirting boards and the floor. Then do your foam layer standard foam is fine and lay floating floor right on it since your budget is tight.
Cut lengths of insulation a few inches longer than the height of the walls. This system is usually installed over sound proofing material. Trim the bottom of the insulation flush with the floor.
Owens Corning R-15 Thermafiber UltraBatt Unfaced Mineral Wool Insulation Batt 15in.
From corner boards to roof boards. A customer of mine has done something similar. If there is space above insulation by the subfloor then you could cut a strip of drywall to access blowing in a dense pack of insulation. Then do your foam layer standard foam is fine and lay floating floor right on it since your budget is tight.
