Timber Frame Floor Insulation

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 be installed in the joist zone that is installed between the joists.

Timber frame floor insulation.

Timber frame floors are typically insulated with polystyrene boards or sheet insulation made from glasswool fibreglass wool polyester wool polyester mix and mineral wool. Concrete slab floors are typically insulated with polystyrene board. A polished timber floor looks warm and inviting but looks can be deceiving. For information about performance durability and environmental properties of each material see our insulation materials factsheet pdf and the materials section of this site.

Timber frame systems come with a layer of oriented strand board or plywood fixed to the external face of the studs along with a breather membrane. From breather membranes to plasterboard insulation superstore has the right material for your timber frame building. Bradford optimo is the ultimate in underfloor insulation for suspended timber floors keeping homes warmer and reducing energy costs through winter. If you ve got a suspended timber floor which is not insulated it can contribute to as much as 20 of heat loss during winter.

Insulating concrete slab floors. Depending on u value requirements there may be additional insulation required this might be placed outside the sheathing board i e. If closed panel timber frame is specified additional care must be taken to protect the panels from exposure to moisture during construction with moisture content checks carried out before full closure. Within the external wall cavity or internally on the warm side of the studwork.

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. Using a 140mm timber stud selected for frame rigidity with 60mm pir insulation between the studs and 60mm pir as an insulation wrap around the outside you can attain a u value of 0 16 w m2k. A second continuous layer of insulation can then be fitted externally of the breather membrane. Most australian homes have ceiling insulation and new homes now also include wall insulation which is installed at the time of construction.

The insulation boards should be restrained in accordance with the timber frame manufacturer s guidance. Timber frame construction is once again increasing in popularity with its many benefits including flexible design sustainability and speed of construction. In a timber framed wall insulation is typically installed between the studs this insulation can be pir or glass mineral wool gmw. However the reduced mass of the wall means that insulation materials need to provide a higher level of acoustic performance to compensate.

Insulation should not be installed until the structural timber frame is below 20 moisture content and the building is weather tight as wet insulation can retain moisture.