Rockwool Suspended Timber Floor Insulation
Running this though the celotex u value calculator mineral wool modelled as 60mm celotex r 2 7 in accordance with bs 13370 2007.
Rockwool suspended timber floor insulation. Rafter line pitched roof separating wall timber frame floor solutions. Interior wood framed floor insulation. It s time to put renovation at the top of the agenda. Rockwool stone wool naturally provides high levels of thermal performance to prevent the passage of heat out of a ground floor.
Ga4100 r 4 5 and 100mm mineral wool r 2 6 in a suspended timber floor. The types of timber floors depend on many factors like how old the building is or its structural form. Thermal applications floors suspended timber floor rockwool flexi is installed between the floor joists supported by polypropylene netting or a breather membrane. Materials for suspended timber floor insulation.
Timber floors can be insulated by lifting the floorboards and laying mineral wool insulation supported by netting between the joists. 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. 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. Rockwool ground floor insulation solutions are available for timber floors metal floors precast concrete floating floors as well as beam and block floors.
The insulation should be fitted as close as is practical to the underside of floor deck to avoid any air gaps. 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. Best practice for insulating a suspended timber floor part 2. Insulating under the floorboards on the ground floor will save you about 40 a year.
There are three main options. Historically first timber floors included timber boards placed on joists directly laid onto the ground which lead to many problems caused by the dampness of the ground below leading to fast decay. For optimum results when addressing heat loss through a suspended timber floor the specification needs to ensure that high levels of thermal performance delivered by the insulation material are combined with airtightness and moisture control while at the same time facilitating a degree of breathability. Download the rockwool red book download.