60mm Celotex CW4000 Partial Fill Cavity Wall (10/pack)

60mm Celotex CW4000 Partial Fill Cavity Wall (10/pack)

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    £70.48 EX VAT £84.58 INC VAT

    Additional Info

    Product Code:
    • Application:
      Celotex CW4000 is specifically for use in partial-fill cavity wall applications
    • Type:
      High performance PIR insulation for partial fill cavity wall applications
    • Product Size:
      1200mm x 450mm
    • Thickness:
      60mm (10/pack)
    • Pack Coverage:
    • Estimated Delivery:
      2-3 Working Days

    Product Description

    60mm Celotex CW4000 Partial Fill Cavity Wall (10/pack)

    59mm Xtratherm Thin-R FR/TP PIR and Plywood For Flat Roofs

    Xtratherm FR/TP Thermal Ply is a composite insulated panel of Xtratherm Polyisocyanurate core with a composite foil facer, bonded to 6mm WBP grade plywood. FR/TP is designed to provide high levels of thermal insulation and decking in one operation for new and refurbishment flat roof applications.

    Key Facts

    Thickness: 59, 79, 89, 99, 109, 119, 129mm

    Width: 1200mm

    Length: 2400mm

    Sheet sizes are: 2.88m2

    Core Density: 32kg/m3

    Weight: 24.60kg

    Thermal Conductivity: 0.022W/mK

    Thermal Resistance: 2.55m2K/W

    U-Value Over Timber Deck: 0.37 (W/m2K)

    Compressive Strength: 150kPa

    Xtratherm Thin-R FR/TP PIR and Plywood For Flat Roofs


    1 - Xtratherm FR/TP is faced to the under side with a gas-tight foil facer, bedding the panel onto a bed of mastic creates a continuous vapour control layer.

    2 - The Xtratherm FR/TP provides a high level of thermal insulation and decking in one application.

    3 - A second layer of Xtratherm may be added between the joists to increase the thermal performance of the roof or to allow a reduction in the thickness of material over the joists. If using insulation between joists the VCL should be placed to the underside of the joists.

    Xtratherm Thin-R : Xtratherm Thin-R range is a high performance foil faced Polyisocyanurate PIR insulation with a certified thermal conductivity as Low as 0.022 W/mK. Thin-R is also available with engineered jointing to provide improved continuity and thermal bridging performance.

    Xtratherm’s comprehensive range of high performance flat and tapered roof insulation boards provide a guaranteed quality solution to flat roof specification.

    FR/TP - Thermal Ply High Performance PIR and Plywood Composite for Flat Roofs

    Roof Design: Consideration should be given to the recommendations of BS 4841: Part 3 and the certification of the chosen membrane manufacturer.

    Falls: The fall on a flat roof should be constant and steep enough to ensure that rainfall does not pond.

    Fire Performance: The fire rating when tested to EN 13501-5 and BS 476 Part 3 ‘External Fire Exposure Roof Test’ will be dependent upon waterproofing system. 

    Key Points

    -Insulation & decking in one fix

    -For new & refurbishment roofs

    -Rapid weather proofing

    Flat Roof Insulation

    -Xtratherm FR/TP should be fixed to a minimum of 50mm thick joists at 400mm (IRL)/600mm (UK) centres max with the plywood uppermost.

    -Boards should be staggered and butted. Each edge should have a minimum bearing of 20mm on joist.

    -All edges should be supported - add noggings where necessary. Stagger fixings where boards are butted.

    -Boards should be embedded in vapour resistant mastic to provide a vapour control layer in conjunction with foil facing.

    -Mastic should be laid wide enough to facilitate 2 panel edges and be continuous around all edges. 

    If you have questions about 59mm Xtratherm Thin-R FR/TP PIR and Plywood For Flat Roofs please call us on 02038839057! You can also text us back in our live chat.

    Please find all datasheets in PDF & BROCHURES section.

    Bee with us!! 


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    60mm Celotex CW4000 Partial Fill Cavity Wall (10/pack)

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