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Xtratherm Thin-R and Superwall partial fill cavity wall insulation provides the solution to meeting the lower U-values asked for under the new Part L regulations.

Providing robust jointing detail at junctions such as reveals and corners is specifically targeted under the new guidelines. The Xtratherm Cavity Wall System includes components required to provide such detailing. Xtratherm PIR Insulation, with superior thickness to performance ratio and low emissivity foil facings, out performs traditional insulation materials allowing for highly efficient low energy wall design with traditional build methods.