Suspended Timber Ground Floor Insulation

Materials for suspended timber floor insulation.

Suspended timber ground floor insulation. A well insulated house is very energy efficient and it will require very little additional heating and cooling according to requirement. Insulate suspended timber ground floors using. Research has found that tackling insulation in suspended timber floors can lead to significant reductions of heat loss from floors. Celotex kingspan type pir thermal insulation board.

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 comes in various thickness 50mm and 100mm are the most common and in a variety of sizes 2 4 x 1 2m being the most common. There are three main options. An important consideration is to ensure that the insulation product used fills all gaps between joists to prevent air movement which can lead to unwanted heat loss.

Suspended timber floor insulation will help you keep the desired temperature in your house all year round saving it against cold in winter season and excess heat in summer season. Best practice for insulating a suspended timber floor part 2. The results highlight significant variability in observed heat flow. Previously floor timbers had been prone to damp and rot thanks to their direct contact with the moist ground.

Glasswool fibreglass wool or polyester sheets fitted between the floor joists and securely fixed or strapped in place. Ground floors can be incredibly draughty and cold and make a major contribution to the discomfort of inhabitants. The standard form of construction became the timber floor structure positioned over compacted earth with an air space in between. Improving the airtightness and energy efficiency of suspended timber floors is therefore a really good idea.

Point u values range from 0 56 0 05 to 1 18 0 11 wm 2 k 1. I can t get a definitive idea of the best way to do it. Insulation is placed between the joists and supported on netting e g. This paper examines suspended timber ground floor heat flow by presenting high resolution in situ heat flux measurements undertaken in a case study house at 15 point locations on the floor.

For very exposed subfloors protect the insulation by fixing a sheet lining material to the underside of the joists. At the turn of the 18th century when construction techniques moved from boarded floors installed directly on the ground to suspended timber floors over a ventilated chamber the innovation solved a significant problem. Suspended timber ground floor insulation. Polypropylene or timber battens.

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.