Menu
Menu
Your Cart

35mm Celotex TB4000 PIR Insulation Board - TB4035

35mm Celotex TB4000 PIR Insulation Board - TB4035
Guide Price
35mm Celotex TB4000 PIR Insulation Board - TB4035
Guide Price: £46.55 (£55.86 inc VAT)
Price per m2: £16.16/m2 (£19.40 inc VAT)
5 or more £46.18 (£55.42 inc VAT)
10 or more £45.76 (£54.91 inc VAT)
20 or more £45.36 (£54.43 inc VAT)
  • Product Code: A1-114
  • Delivery Time: 1-3 working days
  • Brand: Celotex
  • (Tech. support: 01473820850)
  • Model and Size: 1200x2400mm - 2.88m2
  • Weight: 4.23kg
Our ratings on 23-04-2025:
TrustPilot Review 4.7
4.7 out of 5 - Excellent
Google My Business Reviews
4.8 out of 5
Show other thicknesses

35mm Celotex TB4000 PIR Insulation Board - TB4035

Width: 1200mm
Length: 2400mm
Coverage: 2.88m2
Density: 42kg/m3
Weight/m2: 1.47kg
Weight: 4.23kg
Thermal Conductivity: 0.023W/mK
R-Value: 1.55m2K/W

Celotex TB4035 is targeted at cut-to-fit applications between rafters or joists and enables users to achieve lower U-values with a single layer of insulation than has previously been possible. TB4012 is also appropriate for use in floors and walls. With low emissivity foil facings, TB4012 is manufactured from rigid polyisocyanurate (PIR) using a blend of blowing agents that have zero ozone depletion potential (zero ODP) and low global warming potential (GWP).

Note:

  • Would also be known as TB3035 from January 2018.

APPLICATIONS

  • Pitched Roofs
  • Flat Roofs
  • Solid Masonry Walls
  • Timber Framed & Steel Framed Systems
  • Floors
CHARACTERISTICS
  • Specifically designed to eliminate thermal bridges
  • The thinnest PIR insulation
  • Standard board size of 1200mm x 2400mm
  • Easy to cut and shape
  • Low emissivity foil facings giving improved thermal insulation
  • High performance within cavity air spaces
  • Long-term energy savings for buildings
CERTIFICATION
  • CE marking compliance to BS EN 13165
  • Manufactured in accordance with quality management system ISO 9001 and environmental management system ISO 14001
  • Achieves an A+ rating when compared to the BRE Green Guide 2008
35mm Unilin XT/PR-UF PIR Rigid Insulation Board - 1200mm x 2400mm 35mm Unilin XT/PR-UF PIR Rigid Insulation Board - 1200mm x 2400mm
Guide Price
Brand: Unilin (prev. Xtratherm) Model and Size: 2400mm x 1200mm - 2.88m2
Delivery Time: 1-3 working days
35mm Unilin Thin-r XT/PR-UF has a core of polyisocyanurate (PIR) bonded to low emissivity textured aluminium foil facings. Unilin XT/PR-UF board offers excellent insulation performance with excellent thermal conductivity. Unilin XT/PR-UF is CFC & HCFC free and is manufactured under the high..
Guide Price: £22.37
£26.84 inc VAT
Get Best Price
25mm Celotex GS5025 PIR Insulation Board with 9.5mm Plasterboard (pack of 26)
Guide Price
Brand: Celotex Model and Size: Celotex GS5025 - 74.88m2
Delivery Time: 1 - 5 working days
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 applicatio..
Guide Price: £1,890.90
£2,269.08 inc VAT
Get Best Price
120mm Celotex Crown-Bond Flat Roof Board (pack of 5) -pallet of 12 packs
Guide Price
Brand: Celotex Model and Size: 1200x600mm - 43.2m2
Delivery Time: Out Of Stock
120mm Celotex Crown-Bond is a brand new product for use in flat roof systems. Representing the next phase of Celotex innovation, Crown-Bond is a high performance rigid polyisocyanurate (PIR) insulation which delivers cutting edge thinness, increased dimensional stability and added robustness in..
Guide Price: £1,688.95
£2,026.74 inc VAT
Get Best Price
Brand: Celotex Model and Size: 1200x2400mm - 2.88m2
Delivery Time: 1-3 working days
Celotex TB4040 is targeted at cut-to-fit applications between rafters or joists and enables users to achieve lower U-values with a single layer of insulation than has previously been possible. TB4012 is also appropriate for use in floors and walls. With low emissivity foil facings, TB4012 is manufac..
£20.62
£24.74 inc VAT
Add to Cart
Brand: Celotex Model and Size: 2400x1200mm - 2.88m2
Delivery Time: 1-3 working days
Celotex XR4150 is targeted at cut-to-fit applications between rafters or joists and enables users to achieve lower U-values with a single layer of insulation than has previously been possible. XR4150 is also appropriate for use in floors and walls. With low emissivity foil facings, XR4150 is ma..
£68.07
£81.68 inc VAT
Add to Cart
Brand: Celotex Model and Size: 1200mm x 450mm - 4.32m2
Delivery Time: 1 - 5 working days
75mm 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..
£52.55
£63.06 inc VAT
Add to Cart
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..
Get Best Price
This product is listed in the following categories and systems (click to show).