Hi,
I need to insulate under my suspended floor and thinking of doing the following:
I need to insulate under my suspended floor and thinking of doing the following:
- Breathable membrane stapled to underside of joists to prevent wind wash
- 100mm PIR board. Gaps sealed with foam/tape
- Over the joists/PIR, YBS AIRTEC REFLECTIVE double foil as (admittedly expensive) vapour control layer
- Floor boards, underlay, carpet