Best Loft & Wall Insulation UK (2026) — Page 4
Insulation rolls, slabs and boards for lofts and walls.
Read our full Best Loft & Wall Insulation UK (2026) guide.
#19 Pick
ProWarm 6mm Insulation Boards - ProFoam 14 Pack (10m2)Rated 4.5 out of 5 stars (20)
- Foam Insulation Board
- 6mm
£35.69
Pros
- Slim 6mm foam boards raise floor height minimally, useful under underfloor heating systems
- 14-pack covers 10m2, enough for an average room
- Rigid closed-cell foam resists moisture and is simple to cut to size
Cons
- Thin profile gives a lower thermal resistance than thicker PIR or mineral wool boards