How To Install Suspended Floor Insulation

This article discusses the options for insulating suspended timber floors and the author s experience of insulating the floors of a 1930 s house.

How to install suspended floor insulation.

Installing any amount of insulation will warm the floorboards and go a long way towards eliminating draughts. Homes with solid concrete floors built since the 1930s have less of a. 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. 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.

Older houses with suspended floors which are in effect above a void are likely to lose more heat through the floor. When insulating a concrete floor we d always recommend installing a damp proof membrane between the solid floor and the insulation when insulation gets damp its insulating properties are significantly reduced which can cause issues but this damp can also cause further damage to your home. Installation tips for insulating a concrete floor. Suspended timber floors located above an unheated space where the insulation is installed below the floorboards or timber decking timber floors situated above an unheated integral garage.

Installing underfloor insulation can address both these problems and give a payback on your investment in 5 years or less depending on whether you do it as a diy job or use a professional. The effect is a greater sense of comfort and that in turn allows the homeowner to turn the. Conventional foil faced impervious non breathable pir pur boards are commonly used in suspended floor upgrades and this can provide some thermal performance benefits in the short term at least. Insulating a suspended timber floor.

A suspended timber floor tends to be cold and draughty because of the air circulating beneath it. A recent job forced me to think of a new affordable way to install floor insulation from above. However many of the more commonly used insulation materials available are not ideal for suspended floor improvements for various reasons. Best practice for insulating a suspended timber floor part 2.