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EWS199B Boulder Developments Superfoil SF40

SF40 is a multilayer foil insulation for use in roofs and cavity walls in new build, renovation and conversion constructions. Valid until 11th August 2022 Please Note: Every care was taken to ensure the information was correct at the time of publication. Any written guidance provided does not...

EW591 YBS ThermaQuilt

This is an assessment of ThermaQuilt Multi Layer insulation blanket as an insulation material for roofs walls for use in both new build and refurbishment. The insulation is made up of layers of metallic foil and wadding connected by double T plastic clips to avoid thermal bridging. For use in slate...

EW592C YBS Type-R Cavity Closers

This is an assessment of Type-R Cavity Closers for use in new build construction either fastened to the window frame, built in as work progresses or installed after the reveal has been constructed. In addition to closing the cavity, they provide the required insulation around the reveals for...

EW592B YBS Easi-Close Cavity Closers

This is an assessment of Easi-Close Cavity Closers for use in new build construction either fastened to the window frame, built in as work progresses or installed after the reveal has been constructed. In addition to closing the cavity, they provide the required insulation around the reveals for 50-...

EW592A YBS Cavi-Mate Cavity Closers

This is an assessment of Cavi-Mate Cavity Closers for use in new build construction. In addition to closing the cavity, they provide the required insulation around the reveals it can also act as a window former with a role as a sub frame to allow the window to be fitted after all other building work...

EW590 YBS BreatherQuilt

This is an assessment of YBS BreatherQuilt; a water vapour permeable (breathable) insulation material made up of layers of metallic foil and wadding connected by double T plastic clips to avoid thermal bridging. For use in slate and tile roofs of dwellings and buildings with similar temperature and...

EWS576 Boulder Developments Superfoil SF60

This is an assessment of Superfoil SF60, a multifoil type insulation product with a reflective vapour control layer for use in roofs and walls. It can be used as an insulation layer in timber framed and masonry walls and as an underlayer in pitched roofs and flat roofs. In both cases battens are...

EWS577 Boulder Developments Superfoil SF19+

This is an assessment of Superfoil SF19+, a multifoil type insulation product with a reflective vapour control layer for use in roofs and walls. It can be used as an insulation layer in timber framed and masonry walls and as an underlayer in pitched roofs and flat roofs. In both cases battens are...

EWS579 Boulder Developments Superfoil SFTV

This is an assessment of Superfoil SFTV, a reflective membrane used to provide a vapour control layer in walls and flat and pitched roofs. It will also contribute to the thermal insulation performance of the element. It comprises Polypropylene reinforced laminated foil. It is supplied 50mm in a roll...