Warmup Insulated Underlay Thickness:1/4" Their unique one piece construction

Their unique one piece construction ensures that the mats will not delaminate

Built from top quality material

If you are expecting friends and family then welcome them otherwise send the un-friendlies packing by using the correct angle as a "If you disturb me you shall be hurt" sign

other sizes available face weight 510 g/m² (15 oz/yd²) roll sizes 3' x 60'

Warmup Insulated Underlay Thickness:1/4" Their unique one piece constructionWarmup Insulated Underlay sits between the cold subfloor and the Foil Heater, reflecting heat upwards, therefore, making the underfloor heating system more efficient and effective. The foil backing acts as an effective moisture barrier and should installed face down. The Insulated Underlay has been specially developed for installation under the Foil Heater. The insulated Underlay makes an ideal combination for installation of soft and resilient floor