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Insulated Render Systems

25mm Celotex GS5025 PIR Insulation Board with 9.5mm Plasterboard (pack of 26)

25mm Celotex GS5025 PIR Insulation Board with 9.5mm Plasterboard (pack of 26)
Guide Price
25mm Celotex GS5025 PIR Insulation Board with 9.5mm Plasterboard (pack of 26)
Guide Price: £2,079.99 (£2,495.99 inc VAT)
Price per m2: £27.78/m2 (£33.33 inc VAT)
5 or more £2,046.14 (£2,455.37 inc VAT)
10 or more £2,012.05 (£2,414.46 inc VAT)
20 or more £1,960.89 (£2,353.07 inc VAT)
  • Product Code: A1-945
  • Delivery Time: 1 - 5 working days
    • Due to nationwide shortage of PIR insulation lead time may be longer for this product.
  • Brand: Celotex
    • (Tech. support: 01473820850)
  • Model and Size: Celotex GS5025 - 74.88m2
  • Weight: 539.14kg
Product discontinued. Click Get Best Price to request a quotation and we will recommended an equivalent product.
Our ratings on 31-10-2025:
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25mm Celotex GS5025 PIR Insulation Board with 9.5mm Plasterboard (pack of 26)

Thickness: 34.5mm
Width: 1200mm
Length: 2400mm
Coverage: 74.88m2
Weight/m2: 7.2kg
R-Value: 1.2m2K/W
Compressive Strength: 120kPa

Celotex GS5025 is a premium performance PIR insulation board faced with low emissivity aluminum foils on both sides and bonded to 9.5 mm tapered edge plasterboard, providing an insulation product and a plasterboard in one. The product is designed for mechanically fixed applications and upgrading internal solid, timber or metal frame walls or adding another insulation layer to timber frame constructions and flat and pitched roof applications. The products PIR core is manufactured by using zero ODP and low GWP blowing agents. It has an advantage over traditional PIR insulation boards due to the decreased thickness (even 15% thinner than the common PIR boards) and even 30% better U values achieved.

APPLICATION

Celotex GS5025 is applicable in internal wall insulation, including between and under build-ups of flat and pitched roofs and timber frame constructions.

CHARACTERISTICS
  • Especially designed to meet the requirements of internal solid wall insulation,
  • Applicable to both existing and new buildings,
  • Great thermal performance - a super low lambda value of 0.021 W/mK,
  • Low emissivity values especially when added to the metal lining or timber batten systems,
  • Helps to optimise interior space, by using 50% less insulation than traditional products,
  • Highly environmentally friendly.
CERTIFICATION
  • BBA certificate number 12/4926,
  • Ofgem approved,
  • Complies to BS EN 13950,
  • ISO 9001 quality management system,
  • ISO 14001 environmental management system.
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Delivery Time: 3 - 5 days
120mm Celotex EL3000 Flat Roof Board (pack of 4)
Celotex EL3000 provides a quick and easy method of achieving effective thermal insulation in flat roofing structures. With coated glass tissue facings, EL3000 is manufactured from rigid Polyisocyanurate (PIR) using a blend of blowing agents that have zero ozone depletion potential (zero ODP) and a l..
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140mm Celotex Crown-Fix Flat Roof Board (pack of 8) - pallet of 2 packs
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Brand: Celotex Model and Size: 2400x1200mm - 46.08m2
Delivery Time: Out Of Stock
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140mm Celotex Crown-Fix is a brand new product for use in flat roof systems. Representing the next phase of Celotex innovation, Crown-Fix is a high performance rigid polyisocyanurate (PIR) insulation which delivers excellent dimensional stability and added robustness in a mechanically fixed sin..
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50mm Celotex GD5050 PIR Insulation Board with 12.5mm Plasterboard (pack of 18)
Brand: Celotex Model and Size: 1200x2400mm - 51.84mm
Delivery Time: 1 - 5 working days
50mm Celotex GD5050 PIR Insulation Board with 12.5mm Plasterboard (pack of 18)
Celotex GD5050 is a premium performance PIR insulation bonded to 12.5mm tapered edge plasterboard. Allows for the installation of both the insulation and plasterboard in one operation, thereby reducing installation time. Simplifies compliance to current building regulations for the upgrade of i..
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116mm Celotex TD4000 PIR Flat Roof Insulation Board with Plywood
Brand: Celotex Model and Size: TD4000- 2400 x 1200
Delivery Time: 1 - 5 working days
116mm Celotex TD4000 PIR Flat Roof Insulation Board with Plywood
Celotex TD4000 comprises a polyisocyanurate rigid foam insulation core, with a thermal conductivity of 0.022 W/mK, and low emissivity aluminium foil facings on both sides bonded to a layer of 5.5mm WBP exterior grade plywood.APPLICATION Celotex TD4000 is purpose designed for use in light traffic ..
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40mm Celotex CW4040 - Rigid PIR Cavity Insulation Board (pack of 14) CW4000
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Brand: Celotex Model and Size: 1200mm x 450mm - 7.56m2
Delivery Time: 1 - 5 working days
40mm Celotex CW4040 - Rigid PIR Cavity Insulation Board (pack of 14) CW4000
40mm Celotex CW4000 is an insulation board aimed specifically at partial fill cavity wall applications. It comprises a polyisocyanurate rigid foam insulation core, with a thermal conductivity of 0.022 W/mK and low emissivity aluminium foil facings on both sides. CW4000 is manufactured from rigid pol..
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50mm Celotex FF4000 Underfloor Heating Board (pack of 24)
Brand: Celotex Model and Size: FF4000 1200x2400 - 69.12m2
Delivery Time: 3 - 5 days
50mm Celotex FF4000 Underfloor Heating Board (pack of 24)
50mm Celotex FF4000 Underfloor Heating Board (pack of 24) Size: 1200mm x 2400mm Area per pack: 69.12m2 Thermal conductivity: 0.022 W/Mk R-Value: 2.25m2K/W Compressive strength: ≥150kPa Water vapour resistance: >150 MNs/g Weight: 1.81kg/m2   Celotex FF..
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