Thermal Floor Insulation

Achieving greater r values in exterior walls in exterior walls add insulating sheathing to achieve a greater r value in your wall system.

Thermal floor insulation.

There will be a damp proof membrane under the insulation and possibly a second membrane on top depending on the type of screed. Without lifting solid floors it s difficult to introduce any permanent thermal insulation but coir or other breathable floor coverings can help. But it isn t the only factor when choosing the right product for your home or building. Especially when used over a concrete floor or draughty floorboards.

You can achieve better thermal performance in your attic by adding an additional layer of insulation. Insulation is laid on the concrete and covered with a screed. Avoid covering the floor with impermeable insulation materials or rubber backed carpets as they ll trap moisture. Radiant heat insulation is installed to prevent heat loss from a pex radiant floor heating system most commonly pex embedded in concrete slab or stapled underneath the plywood subfloor.

In this scenario a rigid foam insulation is usual and as you d want the same u value in the roof we need the same thickness of insulation 180mm.