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Thermaclass Cavity Wall 21 is an easy to install, polyisocyanurate (PIR) insulation board for full fill cavity wall applications, with excellent thermal performance (0.021 W/m.K). Featuring a low emissivity foil facing, it can be installed with up to a 10mm residual cavity (to support ease of installation and accommodate mortar squeeze) or as a full fill solution with no residual cavity.
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Celotex TC1090 Thermaclass Cavity Wall 21 450x1200x90mm

Thermaclass Cavity Wall 21 is an easy to install, polyisocyanurate (PIR) insulation board for full fill cavity wall applications, with excellent thermal performance (0.021 W/m.K). Featuring a low emissivity foil facing, it can be installed with up to a 10mm residual cavity (to support ease of installation and accommodate mortar squeeze) or as a full fill solution with no residual cavity.

SKU:

1017308

Price:

  • £14.17

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Product Features

  • Lightweight 1190 x 450mm boards (installed dimensions)
  • Tongue and groove edge profile
  • Low emissivity foil facing
  • BBA approved – certificate 16/5343 (Full Fill Cavity Walls)
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