Roll out the underlay across your room, making sure the vapour barrier edges overlap so there are no gaps between the adjacent underlays, and then lay your new floor on top.

A very high-density 2mm thick premium polyethylene rubber underlay with a built-in moisture barrier with an overlap, specifically developed for use with under-floor heating systems and ideal for all Holt engineered floors!

This perforated high-density rubber underlay has been designed for maximum heat transfer when used with under-floor heating. Just roll it out across the room making sure the edges overlap, and then lay your new floor on top.

Key features:

2mm thick polyethylene foam
10 metres long x 1 metre wide - 10 square metres per roll
Excellent sound insulation - dB rating = 19dB
Excellent heat transfer
Designed for use on all sub-floors
Loose lay - does not need to be glued down

Roll details
Roll size	10 metres x 1 metre - 10 square metres per roll
Roll thickness	2mm
Material	Perforated high-density non-cross-linked premium polyethylene rubber, specifically developed for use with under-floor heating
Sound reduction	19dB
Installation
Installation method	Roll out across the sub-floor with no gaps and make sure the edges overlap - no adhesive necessary
Suitable for use with under-floor heating	Yes, specifically designed to provide maximum heat transfer when used with under-floor heating