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Polyisocyanurate (PIR) insulation for timber framed walls.

Timber frame construction is a fast, systematic method that results in high performing buildings with regard to energy efficiency and in environmental terms.

Xtratherm’s timber frame systems surpas the default values asked for in current building regulations for timber framed wall insulation. Using Thin-R Timber Frame XT/TF in timber framed walls helps achieve Zero Carbon Fabric and Passive House Standards.

General information
Specification data
Product Reference

Thin-R XT/TF


25 mm

40 mm

50 mm

60 mm

80 mm

100 mm

120 mm

Standard product features


To BS EN 13165.

Board size:

2400 x 1200 mm.

Thermal performance (lambda value):

0.022 W/m·K.

Product Options


Other sizes available dependent on quantity and lead time.

Third party certifications
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