Suspended Timber Floor Insulation

Rockwool offers stone wool insulation products to meet and exceed thermal regulations in floor constructions as well as solutions for separating floors to prevent heat transfer between the upper and lower floors.

Suspended timber floor insulation. Polypropylene or timber battens. Installing any amount of insulation will warm the floorboards and go a long way towards eliminating draughts. The effect is a greater sense of comfort and that in turn allows the homeowner to turn the thermostat down. 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.

Suspended timber floors can be thermally upgraded by lifting the floorboards to insert insulation or to avoid risking damage caused by disturbance placing it either from below or directly on top. This is because you need to avoid condensation forming within the floor structure and the potential problem of rot forming. In this blog post we aim to provide a simple practical guide to the best practice methods for fitting insulation boards such as kingspan kooltherm k103 floorboard into a suspended timber floor. 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.

From a thermal comfort perspective it does appear that feet are particularly sensitive to colder temperatures so addressing floor draughts can help improve comfort levels. 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. Interior wood framed floor insulation. Permeable insulation such as sheep s wool hemp fibre cellulose or woodfibre board often works well with old buildings.

When insulating a suspended timber ground floor it is important to distinguish between airtightness and windtightness. Suspended timber floor with floorboards removed for most heritage properties the most effective and appropriate way to insulate a suspended floor and improve its airtightness is to retrofit insulation beneath the floorboards between the supporting joists figure 2. Suspended timber ground floor insulation application overview insulation is placed between the joists and supported on netting e g.