Suspended Timber Floor Insulation Detail

While knauf insulation offer various insulation products into suspended ground floor applications we would emphasise that site specific conditions should always be considered on a case by case basis and any generic product recommendations must always be subject to an onsite evaluation.

Suspended timber floor insulation detail.

At the turn of the 18th century when construction techniques moved from boarded floors installed directly on the ground to suspended timber floors over a ventilated chamber the innovation solved a significant problem. I m 70 of the way through an eco retrofit of a 1940s bungalow windows already in place but still have about 30 m 2 of suspended timber floor to insulate and air seal. Insulating a suspended timber floor. Suspended timber floors located above an unheated space where the insulation is installed below the floorboards or timber decking timber floors situated above an unheated integral garage.

A suspended timber floor tends to be cold and draughty because of the air circulating beneath it. Suspended hollow or timber floors also have a tendency to creak as the nails work loose over time. There are a variety of options for the material used in suspended timber floor insulation. Materials for suspended timber floor insulation.

These floor joists are raised above the subfloor on small supporting walls called tassel walls or sleeper walls. Interior wood framed floor insulation. I can t get a definitive idea of the best way to do it. All ground floor constructions unless very large commercial floors will require some insulation to be included within the floor zone to comply with building regulation requirements.

Best practice for insulating a suspended timber floor part 2. Rockwool offers stone wool insulation products to meet and exceed thermal regulations in floor constructions as well as solutions for separating floors to prevent heat transfer between the upper and lower floors. Installing any amount of insulation will warm the floorboards and go a long way towards eliminating draughts. Suspended timber ground floors consist of the finished timber floorboards being attached to floor joists which are suspended above the subfloor of the foundation.

Previously floor timbers had been prone to damp and rot thanks to their direct contact with the moist ground. The answer to this problem can also be found in our project about stopping creaking floors and stairs.