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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 21-11-2025:
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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.
75mm Celotex FR5000 Fire Resistant PIR Insulation Board (pack of 6) - pallet of 5 packs
Guide Price
Brand: Celotex Model and Size: 1200x2400mm - 86.40m2
Delivery Time: Out Of Stock
Celotex FR5075 is one of the available dimensions of the Celotex FR5000 PIR insulation boards made from polyisocyanurate rigid core and faced on both side with low emissivity aluminum foils for improved thermal performance. The product is applicable to different types of constructions incl..
Guide Price: £2,281.37
£2,737.64 inc VAT
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Brand: Celotex Model and Size: 1200 x 450mm - 51.84m2
Delivery Time: Out Of Stock
97mm Celotex CF5000 is specifically designed for use within full fill cavity wall applications. It is in compliance to UK Building Regulations by achieving a U-value of 0.18 W/m 2 K, maximising thermal performance without widening the cavity. BBA certified, Celotex CF5000 features a mechanically eng..
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Brand: Celotex Model and Size: TD4000- 2400 x 1200
Delivery Time: 1 - 5 working days
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.APPLICATIONCelotex TD4000 is purpose designed for use in light traffic..
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Brand: Celotex Model and Size: 2400x1200mm - 2.88m2
Delivery Time: 1-3 working days
75mm Celotex GA4075 is a multi-purpose insulation board that provides a solution to overcome localized thermal bridges. Featuring a low emissivity foil facings, this board has been manufactured from tough polyisocyanurate (PIR) using a perfect mix of certain blowing agents which have zero ozone depl..
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Brand: Celotex Model and Size: 1200x2400mm - 51.84mm
Delivery Time: 1 - 5 working days
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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Brand: Celotex Model and Size: EL3000 1200x600 - 2.16m2
Delivery Time: 3 - 5 days
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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