Can You Put Loft Insulation Under Floorboards?

Insulation can be laid over the existing floor, but if a floor is being replaced, this is a perfect opportunity to improve the standard of insulation.

Can I put insulation under floorboards?

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).

Can you board over loft insulation?

Placing loft boarding over insulation is an easy process and is essential if you want both storage and for your quilt insulation to work at its optimum performance. With the correct products, such as Loft Legs, this is easy and cost effective too.