NBS Source
I'm a manufacturer

Compare variants

Celotex Thermaclass Cavity Wall 21
Celotex Thermaclass Cavity Wall 21
Celotex Thermaclass Cavity Wall 21

Verified 3 months ago

Celotex

90 mm thick

Verified 3 months ago

Celotex

115 mm thick

Verified 3 months ago

Celotex

140 mm thick

Summary
A polyisocyanurate (PIR) insulation board featuring a tongue and groove edge profile. Can be considered for full fill cavity wall applications.
A polyisocyanurate (PIR) insulation board featuring a tongue and groove edge profile. Can be considered for full fill cavity wall applications.
A polyisocyanurate (PIR) insulation board featuring a tongue and groove edge profile. Can be considered for full fill cavity wall applications.
Color
Silver, Cream
Silver, Cream
Silver, Cream
Finish
Foil
Foil
Foil
Material
Polyisocyanurate (PIR)
Polyisocyanurate (PIR)
Polyisocyanurate (PIR)
Shape
Rectangle
Rectangle
Rectangle
Length
1190 mm
1190 mm
1190 mm
Width
450 mm
450 mm
450 mm

Specification

Standard
To BS EN 13165.
To BS EN 13165.
To BS EN 13165.
Third-party certification
BBA approved 16/5343; UKCA Marked; ISO 9001; ISO 14001.
BBA approved 16/5343; UKCA Marked; ISO 9001; ISO 14001.
BBA approved 16/5343; UKCA Marked; ISO 9001; ISO 14001.
Fire performance
Euroclass F Reaction to Fire classification, according to BS EN 13501-1. Products with this level of classification are not provided with a rating for smoke emission.
Euroclass F Reaction to Fire classification, according to BS EN 13501-1. Products with this level of classification are not provided with a rating for smoke emission.
Euroclass F Reaction to Fire classification, according to BS EN 13501-1. Products with this level of classification are not provided with a rating for smoke emission.
Thermal conductivity (maximum)
0.021 W/m·K.
0.021 W/m·K.
0.021 W/m·K.
Compressive strength at 10% deformation
Manufacturer's standard.
Manufacturer's standard.
Manufacturer's standard.
Cross section
Uniform thickness.
Uniform thickness.
Uniform thickness.
Thickness (nominal)
90 mm.
115 mm.
140 mm.
Density
Manufacturer's standard.
Manufacturer's standard.
Manufacturer's standard.
Recycled content
Manufacturer's standard.
Manufacturer's standard.
Manufacturer's standard.
Facing
Foil.
Foil.
Foil.
Edges
Tongue and groove.
Tongue and groove.
Tongue and groove.

Additional properties

Thermal resistance
4.25 m²K/W.
5.45 m²K/W.
6.65 m²K/W.
Handling
Manufacturer's standard.
Manufacturer's standard.
Manufacturer's standard.

Sustainability data

Country of product manufacture
United Kingdom
United Kingdom
United Kingdom