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The Unilin / Xtratherm XtraFall Taper System presents an accurate and technologically superior solution for achieving thermal insulation and customized drainage on flat roofs, effectively preventing water accumulation and subsequent damage commonly associated with traditional flat roof designs. Unilin Insulation offers a comprehensive selection of high-performance PIR Flat Roof insulation boards, including the XF range of tapered insulation, which caters to a wide range of flat roof projects, regardless of the chosen waterproofing system. Notably, our products have achieved favorable environmental ratings within the 'BRE Green Guide.'
Our diverse range of high-performance PIR foam insulation products boasts exceptional qualities specifically engineered to meet the requirements of any project specification. Complementing the XF system, we also provide a variety of ancillary products that ensure uninterrupted thermal insulation and comprehensive roof drainage. These supplementary items are exclusively designed for use with the XtraFall system.
The XtraFall system provides a high performance precision solution to thermal insulation and water drainage on flat roofs.
Size: 1200 x 1200
Thicknesses: 1/60 30-410mm
Thicknesses: 1/80 30-315mm
Density: 32kg/m3
Compressive Strength: >150kPa @ 10% Compression
Water Vapour Resistivity: >100MNs/gm
Thermal Conductivity: 0.022 W/mK
XtraFall XF/ALU: Xtratherm ALU stands as a high-performance Polyisocyanurate flat roof insulation featuring vapour-tight aluminium foil facings. It is specifically designed to be compatible with single ply membranes, offering exceptional performance in flat roof applications.
XtraFall XF/MG: Xtratherm MG Roof Board represents a top-tier Polyisocyanurate roof insulation board, enhanced with mineral-coated glass facers, ideal for installation beneath single ply fully adhered roof membranes, single ply waterproofing systems, and partially bonded built-up felt. This high-performance product offers exceptional suitability and reliability for various roofing applications.
XtraFall XF/BGM: Xtratherm BGM is faced with a polypropylene fleece finished bitumen/glass fibre working surface and a mineral glass facing to the under side.
Have a browse of our Xtratherm stock and filter by thickness or coverage on the left-hand side of the page. If you’d like to talk through the suitability of some products for your project, or get a quantity discount quotation please call us by phone on +4402039519012 , email sales@insulationstoreonline or Live Chat - Lowest UK Insulation Prices.









