Dimensions 1190 × 450 mm
Thickness

115mm

Material Type

Polyisocyanurate (PIR)

Sales Unit

Pack

Manufacturers Reference

TC115

Thermal Conductivity

0.021W/mK

Fire Rating

Euroclass E

Edge Type

Square

Facing

Low Emissivity Foil

Weight (kg/m2)

3.55kg/m2

Product Range

Celotex Thermaclass Cavity Wall Insulation

Pieces Per Pack

5

Unit Coverage

2.67m2

Useful Information
This product is tongue and groove and all sheets interlock

115mm Thermaclass Cavity Wall 21 – Celotex Thermaclass (1190mm x 450mm x 115mm) – 5 Pack (2.76m2)

(7 customer reviews)
Delivery In 5-7 Working Days
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Pack of 5 (2.67m2)
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Original price was: £1,399.00.Current price is: £80.99. ex VAT

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Thickness
Useful Information
This product is tongue and groove and all sheets interlock

115mm Thermaclass

Thermaclass Cavity Wall 21 is an insulation material designed for full fill masonry cavity wall applications. The boards are made up of a polyisocyanurate (PIR) core featuring a low emissivity foil facing bonded to each side which provides improved thermal performance in sealed cavity air spaces, improving the achievable U-value. Thermaclass Cavity Wall 21 is manufactured with a blowing agent that is CFC/HCFC free and has zero Ozone Depletion Potential (ODP) with a low Global Warming Potential (GWP). The board is available 1190mm by 450mm (1205mm by 465mm including tongue).
This Thermaclass product has a thickness of 115mm with a sheet coverage of 0.5355 m2. In addition to this, 115mm Thermaclass boasts an excellent thermal performance of 0.021W/mK.

Key Features:

  • Tongue and groove edge profile
  • Long lifespan
  • Durable and rigid
  • Easy and simple installation process
  • Excellent thermal performance
  • Built with the protection from weather conditions in mind

The Thermaclass boards feature a tongue and groove edge providing a continuous layer of insulation with minimal gaps to avoid thermal bridging and increase the thermal quality of the product. This also provides a protective layer against wind and rain and eliminates the need to use foil tape on board joins.

This product is light weight and easy to cut, handle, and install. The board sizes are designed to fit within cavity wall tie spacings. The boards can be cut, if necessary, by using a fine-toothed saw or scoring each side over a hard edge with a sharp blade.

The board should be stored indoors in a dry space on a flat surface. If indoor storage is not an option, weatherproofing materials should be applied to protect the boards from weather conditions. If boards get slightly wet, they should be wiped over and left to dry however if they get wet, they should not be used.

Celotex Thermaclass 115mm

Thermaclass Cavity Wall 21 should not be used in the external walls of buildings over 18 metres in height (England and Wales) or 11 metres in height (Scotland). Recent changes to Building Regulations mean that only non-combustible insulation or insulation of limited combustibility can be used in buildings of that height.

Safety Certifications:
BBA approved – certificate 16/5343
Euroclass E Reaction to Fire classification, according to EN 13501-1
manufactured under Quality Management Standard – ISO 9001:2015
CE Marked (20.DOPTCCW-01) to BS EN 13165


Dimensions 1190 × 450 mm
Thickness

115mm

Material Type

Polyisocyanurate (PIR)

Sales Unit

Pack

Manufacturers Reference

TC115

Thermal Conductivity

0.021W/mK

Fire Rating

Euroclass E

Edge Type

Square

Facing

Low Emissivity Foil

Weight (kg/m2)

3.55kg/m2

Product Range

Celotex Thermaclass Cavity Wall Insulation

Pieces Per Pack

5

Unit Coverage

2.67m2

Dimensions 1190 × 450 mm
Thickness

115mm

Material Type

Polyisocyanurate (PIR)

Sales Unit

Pack

Manufacturers Reference

TC115

Thermal Conductivity

0.021W/mK

Fire Rating

Euroclass E

Edge Type

Square

Facing

Low Emissivity Foil

Weight (kg/m2)

3.55kg/m2

Product Range

Celotex Thermaclass Cavity Wall Insulation

Pieces Per Pack

5

Unit Coverage

2.67m2

7 reviews for 115mm Thermaclass Cavity Wall 21 – Celotex Thermaclass (1190mm x 450mm x 115mm) – 5 Pack (2.76m2)

  1. Sipho

    Good but I prefer the straight edges

  2. Raj

    Brilliant

  3. William Maszovik

    Used as an alternative to Celotex 100mm Cavity Wall boards, great alternative!

  4. Travis Peskin

    good price and service will require another pallet in a couple of weeks mate

  5. Joanna

    When I phoned Travis Perkins and asked when they can deliver 115mm Thermaclass board was advised they can do it in 4 weeks, ordered online.

  6. Mrs Macanao

    Delivery was PERFECT

  7. Desmond G

    First time trying this, pretty good.

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