How To Insulate Suspended Wooden Floors

Insulating and draught proofing an old suspended timber floor at ground or upper storey level above unheated spaces can save considerable energy.

How to insulate suspended wooden floors.

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. A suspended timber floor tends to be cold and draughty because of the air circulating beneath it. If the floor is a suspended wooden floor you will probably be able to see wooden joists and the undersides of the floorboards. I can t get a definitive idea of the best way to do it.

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. The material needed to fill the gaps between the floor and the skirting boards cost around 20. Cheap ways to insulate wood floors. Care must be taken however not to harm the character and significance of the building or impede subfloor ventilation for example by blocking air vents so promoting timber decay.

Installing any amount of insulation will warm the floorboards and go a long way towards eliminating draughts. Professional suspended floor installation costs range between 30 t0 40. They are also very susceptible to drafts. Stop airborne sounds between wooden floors with acoustic floor insulation.

This is a floor where the timber floorboards are attached to floor joists and the insulation suspended on timber battens between the joists. If you are looking to stop airborne sounds through a wooden floor use acoustic floor insulation between the floor and ceiling joists. If you don t have access to the space underneath your house you will need to lift a corner of the carpet and underlay to have a look. 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.

A detached house will cost between 750 900. Diy cost for wooden floor insulation cost approximately 100. Best practice for insulating a suspended timber floor part 2. Insulating a suspended timber floor.

Wooden floors may look beautiful but they can be very cold in the warmer months of the year as well as during winter. Previously floor timbers had been prone to damp and rot thanks to their direct contact with the moist ground. The effect is a greater sense of comfort and that in turn allows the homeowner to turn the.