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Celotex Thermaclass Cavity Wall 21
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Overview
- Excellent thermal performance with a thermal conductivity of 0.021 W/m.K, reducing the thickness of insulation required to hit the target U-value.
- Low emissivity foil facing provides improved thermal performance in sealed cavity air spaces, improving the achievable U-value*. *Based on a residual cavity of 10mm
- The boards are sized to fit standard cavity wall tie spacing. They are light and rigid, assisting with ease of transportation, handling and fitting.
- Thermaclass Cavity Wall 21 has been assessed by the BBA as fit for use in defined full fill cavity wall applications if installed, used and maintained as set out in the certificate. Please read the certification at insulation-UK.com/BBA for full details and restrictions.
Technical specification
Length
1200 mm
Width
450 mm
Material
PIR
Usage
Cavity Board
Coverage
0.54 m2
Fire Retardant
N
Acoustic
N
Country Origin
UK
Brand Name
CELOTEX