Timber Frame Floor Insulation

Timber frame walls generally provide better levels of thermal insulation performance than masonry walls of comparable thickness.

Timber frame floor insulation.

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. The insulation boards should be restrained in accordance with the timber frame manufacturer s guidance. A polished timber floor looks warm and inviting but looks can be deceiving. However the reduced mass of the wall means that insulation materials need to provide a higher level of acoustic performance to compensate.

Bradford optimo is the ultimate in underfloor insulation for suspended timber floors keeping homes warmer and reducing energy costs through winter. 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. Here two layers of rigid kingspan thermawall insulation are separated by breathable membrane and osb plywood sheathing. 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.

Depending on u value requirements there may be additional insulation required this might be placed outside the sheathing board i e. From breather membranes to plasterboard insulation superstore has the right material for your timber frame building. Most australian homes have ceiling insulation and new homes now also include wall insulation which is installed at the time of construction. A second continuous layer of insulation can then be fitted externally of the breather membrane.

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. For information about performance durability and environmental properties of each material see our insulation materials factsheet pdf and the materials section of this site. Within the external wall cavity or internally on the warm side of the studwork. Timber frame construction is once again increasing in popularity with its many benefits including flexible design sustainability and speed of construction.

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 floors are typically insulated with polystyrene boards or sheet insulation made from glasswool fibreglass wool polyester wool polyester mix and mineral wool. In a timber framed wall insulation is typically installed between the studs this insulation can be pir or glass mineral wool gmw. Whilst many homes in australia now have insulation in their roofs and walls if your home is built suspended off the ground this could be the unknown area where heat is leaking out of your home in winter and entering it in summer.

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.