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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 22-08-2025:
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4.8 out of 5

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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60mm 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 rigi..
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120mm Celotex Crown-Up is a brand new product for use in flat roof systems. Representing the next phase of Celotex innovation, Crown-Up is a high performance rigid polyisocyanurate (PIR) insulation which delivers increased dimensional stability and added robustness in a built-up flat roofing sy..
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