Suspended Timber Floor Insulation Detail

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.

Suspended timber floor insulation detail. 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. Best practice for insulating a suspended timber floor part 2. If the ground floor in question is of a suspended timber construction and whether this is a renovation or new build project then the insulation would normally. 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.

This is a floor where the timber floorboards are attached to floor joists and the insulation suspended on timber battens between the joists. To ensure that the floor is thermally insulated either rigid or blanket insulation is placed between the floor joists. I can t get a definitive idea of the best way to do it. 5 2 suspended ground floors this chapter gives guidance on meeting the technical requirements for suspended ground floors including those constructed from.

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. The quilted insulation is supported by netting stapled to the joists while the rigid insulation can be supported on battens between the joists. Video of suspended timber floor detail drawing this video shows the most. The answer to this problem can also be found in our project about stopping creaking floors and stairs.

Suspended hollow or timber floors also have a tendency to creak as the nails work loose over time. 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. A disadvantage can be an unacceptable raising of the floor level necessitating step ups or alterations to details at door openings electrical sockets etc.