Roll out the underlay across your room, making sure the edges butt tight up to each other so there are no gaps between the adjacent underlays, and then lay your new floor on top. If necessary. tape the edges of the adjacent underlays together to avoid any moisture ingress.

A very high-density 1.8mm thick premium polyethylene rubber underlay, specifically developed for use with under-floor heating systems and ideal for all Sun 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 butt up tight to the adjacent underlay, and then lay your new floor on top.

Key features:

1.8mm thick polyethylene foam
10 metres long x 1 metre wide - 10 square metres per roll
Excellent sound insulation
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	1.8mm
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 butt up tight to any adjacent edges - no adhesive necessary
Suitable for use with under-floor heating	Yes, specifically designed to provide maximum heat transfer when used with under-floor heating