Suspended Timber Floor Insulation Detail

The floor would typically be finished from above with a vapour control layer vcl if required and a suitable timber floor deck.

Suspended timber floor insulation detail.

I can t get a definitive idea of the best way to do it. Previously floor timbers had been prone to damp and rot thanks to their direct contact with the moist ground. Suspended hollow or timber floors also have a tendency to creak as the nails work loose over time. A disadvantage can be an unacceptable raising of the floor level necessitating step ups or alterations to details at door openings electrical sockets etc.

This is a floor where the timber floorboards are attached to floor joists and the insulation suspended on timber battens between the joists. The answer to this problem can also be found in our project about stopping creaking floors and stairs. 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. Materials for suspended timber floor insulation.

In this blog post we aim to provide a simple practical guide to the best practice methods for fitting insulation boards such as kingspan kooltherm k103 floorboard into a suspended timber floor. Some support may be needed for the insulation timber straps timber battens or netting can all be utilised to help keep the insulation in place. 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. 5 2 suspended ground floors this chapter gives guidance on meeting the technical requirements for suspended ground floors including those constructed from.

There are a variety of options for the material used in suspended timber floor insulation. 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. Where insulation cannot be installed from below say above a jetty insulating above a suspended timber floor prevents damage to floorboards caused by lifting them. The building detail is for illustrative purposes only.