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PIR (polyisocyanurate) Boards

There are also other types of PIR insuation boards, for example, for flat roofs it can have plywood bonded on one side, or glass tissue or plasterboard bonded to it for wall applications. The need to replace the insulation is highly unlikely due to its rigidity, durability and excellent compressive strength. PIR insulation boards require approximately half the thickness of traditional forms of insulation to meet the same level of thermal performance. They achieve low R-values, as low as just 0.021W/mK. It is seen as greatest potential for energy saving today. PIR insulation boards will not rot, sag or decay and will therefore continue to deliver designed insulation values throughout the lifetime of the building.

The insulation core and facings resist attack by mould and microbial growth. They have a fibre free insulation core, and therefore are non-irritant. It is an environment friendly material. Its low weight also lends itself to modern methods of construction and lighter supporting structures. They are easy to handle and transport, making installation much easier and quicker than traditional insulants.

Type of products
  • Foil faced PIR boards
  • Cavity PIR boards (partial fill and full fill)
  • Mineral coated glass faced or bonded to plywood  PIR boards (flat roof)
  • Floor, walls and roof insulation
Application
  • Flat and pitched roofs,
  • Floors,
  • Walls,
  • Cavity insulation.

PIR insulation board with core sandwiched between two aluminium foil facings

These insulation boards are available in different thicknesses, 12mm-150mm, all especially designed to eliminate thermal bridges, very easy to cut and shape and energy-efficient. They are used for insulated sheathing on timber frame, insulated sheathing on steel frame, insulation between studs on timber frame wall, external masonry with timber frame or ventilated cladding with timber frame, for pitched and flat roofs and floors. They are unaffected by air infiltration, resistant to the passage of water vapour, easy to handle and install and ideal for new build or refurbishment.

PIR insulation bonded to plasterboard

These insulation boards can be installed relatively quickly, in direct bonding and mechanically fixed installation techniques, can be used for both new construction projects as well as refurbishment projects or upgrading to applicable regulation standards. It is used in solid masonry walls or timber frame lining applications and also as the bottom layer of insulation in between and under rafter and joist applications. Available in 25mm-60mm thicknesses,

PIR insulation bonded to plywood

This type of insulation is used for insulation of timber deck flat roofs, it has high performance rigid thermoset insulation, vapor control layer and decking in one board, with proven reputation as a quality composite roof deck material.

PIR insulation bonded with OSB board

These insulation boards are used as decking and as thermal insulation for new and refurbishment flat roof applications. It is suitable for use in damp environment as it does not readily absorb water. The low thermal conductivity of the insulation minimizes the board thickness. The composite board offers rapid coverage and straightforward installation.

PIR insulation coated with mineral glass

These insulation boards have mineral coated glass facers and are suitable for use below single ply fully adhered roof membranes, single ply waterproofing systems and partially bonded built-up felt. They are suitable for use on roof decks that are subject to maintenance traffic. The product is stable, rot proof and will remain effective for the life span of the building, depending on specification and installation.

R-value Comparison Chart for PIR Insulation products available at Insulation Shop


Legenda

1*  Celotex FI5000 Insulation Board, Celotex FR5000 Fire Resistant Insulation Board, Xtratherm Thin-R Full Fill Cavity Wall Insulation, Xtratherm XtroLiner Insulation Board, Celotex CF5000 Cavity Full fill  Insulation Board

2*  Celotex TB4000 Insulation Board, Celotex GA4000 Insulation Board, Celotex XR4000 Insulation Board, Celotex CW4000 Insulation Board, Celotex Crown-Bond Flat Roof Insulation Board, Celotex Crown-Fix Flat Roof Insulation Board, Celotex Crown-Up Flat Roof Insulation Board, Kingspan Thermawall TW55 Wall Insulation Board, Kingspan Thermapitch TP10 Pitched Roof Insulation Board, Kingspan Thermaroof TR26 Insulation Board, Xtratherm Thin-R Insulation Board, Xtratherm Thin-R XT/CW Partial Fill Cavity Wall Insulation, Xtratherm Thin-R Hyfloor Insulation Board, Recticel Eurothane GP Insulation Board, EcoTherm EcoVersal Insulation Board, Celotex PL4000 Insulated Plasterboard, Kingspan Thermaroof TR31 bonded to Plywood, Xtratherm Plydeck bonded to OSB, Xtratherm Thin-R Thermal Liner - Mech Fix, Dot & Dab, Gyproc Thermaline Insulated Plasterboard, Gyproc Thermaline MR Insulated Plasterboard, Recticel Plylok Flat Roof Insulation bonded to Plywood, EcoTherm EcoLiner Insulated Plasterboard, EcoTherm Eco-Deck - Insulated Flat Roof Decking

3*  Kingspan Thermafloor TF70 Insulation Board

4*  Kingspan Thermaroof TR24 Insulation Board, Kingspan Thermaroof TR27 Insulation Board, Xtratherm Flat Roof Board FR-MG, Xtratherm Flat Roof Board FR-BGM


Here at Insulation Shop you can find a various types and sizes of PIR insulation boards, produced by leading manufacturers, such as Celotex, Kingspan, British Gypsum, Xtratherm, EcoTherm, Recticel, Knauf.

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20mm Celotex TB4000 PIR Insulation Board - TB4020
Guide Price
Brand: Celotex Model and Size: 1200x2400mm - 2.88m2
Delivery Time: 1 - 5 working days
Celotex TB4020 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. It is also appropriate for use in floors and walls. With low emissivity foil facings, TB4020 is manufa..
Guide Price: £23.48
£28.18 inc VAT
27.5mm Celotex PL4015 - 15mm PIR  Insulation Bonded to 12.5mm Plasterboard (PL4000) 27.5mm Celotex PL4015 - 15mm PIR  Insulation Bonded to 12.5mm Plasterboard (PL4000)
Guide Price
Brand: Celotex Model and Size: 1200x2400 - 2.88m2
Delivery Time: 1 - 5 working days
Celotex PL4015 is a high performance thermal insulation board where the 15mm PIR insulation is bonded to 12.5mm tapered edge plasterboard. PL4015 is manufactured from rigid polyisocyanurate (PIR) using a blend of blowing agents that have zero ozone depletion potential (zero ODP) and low global ..
Guide Price: £54.93
£65.92 inc VAT
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
40mm Celotex CW4000 Rigid PIR Cavity Insulation Board (pack of 14)
Guide Price
Brand: Celotex Model and Size: 1200 x 450 - 7.56m2
Delivery Time: 1 - 5 working days
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..
Guide Price: £78.24
£93.89 inc VAT
75mm Celotex FI5000 Underfloor Heating Insulation Board (pack of 16) - pallet of 2 packs
Guide Price
Brand: Celotex Model and Size: 1200x2400mm - 92.16m2
Delivery Time: Out Of Stock
75mm Celotex FI5000 is a premium flooring insulation board with enhanced thermal performance as well as an A rating when compared to the BRE Green Guide and an innovative cement compatible composite facer with a built-in vapour control layer (VCL), enabling direct screed, without the need for an add..
Guide Price: £3,119.84
£3,743.81 inc VAT
50mm Celotex Crown-Bond Flat Roof Board (pack of 11) -pallet of 12 packs
Guide Price
Brand: Celotex Model and Size: 1200x600mm - 95.04m2
Delivery Time: Out Of Stock
50mm 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 a bon..
50mm Celotex Crown-Fix Flat Roof Board (pack of 24) - pallet of 2 packs
Guide Price
Brand: Celotex Model and Size: 2400x1200mm - 138.24m2
Delivery Time: Out Of Stock
50mm 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 single pl..
Guide Price: £2,102.07
£2,522.48 inc VAT
100mm Celotex Crown-Up Flat Roof Board - pack of 6 - pallet of 12 packs
Guide Price
Brand: Celotex Model and Size: 1200x600mm - 51.84m2
Delivery Time: Out Of Stock
100mm 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 system...
Guide Price: £1,593.81
£1,912.57 inc VAT
50mm Celotex TC3000 Flat Roof Board - Torch on (pack of 10)
Guide Price
Brand: Celotex Model and Size: 1200 x 600 - 7.2m2
Delivery Time: 3 - 5 days
Celotex TC3000 provides a quick and easy method of achieving effective thermal insulation in built-up flat roofing applications including hot applied bituminous, mastic asphalting and torch-on systems. With bitumen polypropylene fleece facers on both sides, TC3000 is manufactured from rigid Polyisoc..
Guide Price: £128.04
£153.65 inc VAT
96mm Celotex TD4000 PIR Flat Roof Insulation Board with Plywood
Guide Price
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. APPLICATION Celotex TD4000 is purpose designed for use in ligh..
Guide Price: £87.52
£105.02 inc VAT
97mm Celotex CF5000 - External Wall Cavity Full Fill Insulation Board - Pack of 6 - CF5097 -pallet of 16
Guide Price
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 mechanical..
Guide Price: £1,812.77
£2,175.32 inc VAT
25mm Celotex GD5025 PIR Insulation Board with 12.5mm Plasterboard (pack of 26)
Guide Price
Brand: Celotex Model and Size: 1200x2400mm - 74.88m2
Delivery Time: 1 - 5 working days
Celotex GD5025 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 intern..
Guide Price: £1,528.08
£1,833.70 inc VAT
50mm Celotex CG5000 Partial Fill Cavity Wall Board - pack of 11 - pallet of 16 packs
Guide Price
Brand: Celotex Model and Size: 450x1200mm - 95.04m2
Delivery Time: 3 - 5 days
Celotex CG5050 is especially designed for partial fill cavity wall insulation, offering great thermal performance due to substantial R and U values, with decreased board thickness and lower emissivity values due to the aluminum foil facings on both sides of the PIR core. This set of products pr..
Guide Price: £1,552.53
£1,863.04 inc VAT
25mm Celotex FR5000 Fire Resistant PIR Insulation Board (pack of 16)
Guide Price
Brand: Celotex Model and Size: 1200x2400mm - 46.08m2
Delivery Time: Out Of Stock
Celotex FR5025 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..
Brand: Kingspan Model and Size: TP10 1200x2400
Delivery Time: 3 - 4 days
20mm Kingspan Thermapitch TP10 is the rafter level insulation comprising of a high performance rigid thermoset insulation core faced on both sides with a low emissivity composite foil facing. The product is manufactured with a blowing agent that has zero Ozone Depletion Potential..
£35.42
£42.50 inc VAT
25mm Thermawall TW50 PIR Cavity Wall Insulation Board (pack of 20)
Guide Price
Brand: Kingspan Model and Size: TW50 - 1200x450 - 10.8m2
Delivery Time: 1 - 5 working days
25mm Kingspan Thermapitch TW50 comprises of a high performance rigid thermoset insulation core faced on both sides with a low emissivity composite foil facing. The product is manufactured with a blowing agent that has zero Ozone Depletion Potential (ODP) and low Global Warming Potential&nb..
Guide Price: £112.60
£135.12 inc VAT
Brand: Kingspan Model and Size: TW55 - 1200x2400
Delivery Time: 1 - 5 working days
20mm Kingspan Thermawall TW55 is a stud wall PIR insulation board comprising a high performance rigid thermoset insulation core faced on both sides with a low emissivity composite foil facing. The product is manufactured with a blowing agent that has zero Ozone Depletion Potential (ODP) and low Glob..
£35.42
£42.50 inc VAT
Brand: Kingspan Model and Size: TF70 - 1200x2400
Delivery Time: 1 - 5 working days
20mm Kingspan TF70 comprises a high performance rigid thermoset insulation core faced on both sides with a low emissivity composite foil facing. The product is manufactured with a blowing agent that has zero Ozone Depletion Potential(ODP) and low Global Warming Potential (GWP).CHARACT..
£35.42
£42.50 inc VAT
25mm Kingspan Thermaroof TR26 (pack of 12)
Guide Price
Brand: Kingspan Model and Size: 2400x1200mm - 34.56m2
Delivery Time: 3 - 5 days
25mm Kingspan Thermaroof TR26 is a high performance, fibre free, rigid thermoset PIR insulation core faced on both sides with a low emissivity composite foil facing which is used for insulating flat roofs and is fully compatible with most mechanically fixed single ply waterproofing systems and ..
Guide Price: £420.45
£504.54 inc VAT
25mm Kingspan Thermaroof TR27 (pack of 12)
Guide Price
Brand: Kingspan Model and Size: 25mm TR27 - 8.64m2
Delivery Time: 3 - 5 days
25mm Kingspan Thermaroof TR27 is a PIR insulation board made from highly effective rigid PIR core faced with coated glass tissue on both sides added during manufacturing. The product offers substantial durability and long life span depending on the condition of the supporting structure. Th..
Guide Price: £101.65
£121.98 inc VAT
56mm Kingspan Thermaroof TR31 PIR bonded to Plywood (pack of 20) - 50mm PIR + 6mm Plywood Sheet 56mm Kingspan Thermaroof TR31 PIR bonded to Plywood (pack of 20) - 50mm PIR + 6mm Plywood Sheet
Guide Price
Brand: Kingspan Model and Size: 1200x2400 - 57.60m2
Delivery Time: 3 - 5 days
56mm Kingspan Thermaroof  TR31 is the flat roof insulation comprising a 50mm high performance rigid PIR thermoset insulation core faced with an FSC certified 6 mm nominal thickness WBP exterior grade plywood on its upper surface and a low emissivity composite foil facing on its lower surfa..
Guide Price: £1,236.31
£1,483.57 inc VAT
35mm Xtratherm Thin-R XT/CW Partial Fill Cavity Insulation (pack of 9)
Guide Price
Brand: Xtratherm Model and Size: 1200x450mm - 4.86m2
Delivery Time: 2 - 4 days
Xtratherm ThinR XT/CW Partial Fill Cavity Wall Insulation is the best solution when designers or regulations demand additional thermal insulation in external masonry walls, without a substantial increase in the width of the cavity. Xtratherm Thin-R boards achieve high standards of insulation wh..
Guide Price: £44.31
£53.17 inc VAT
75mm Thin-R CT/PIR Cavity Therm Full Fill Insulation Xtratherm (pack of 4)
Guide Price
Brand: Xtratherm Model and Size: CT/PIR 1200x450 - 2.16m2
Delivery Time: 2 - 3 days
75mm Xtratherm CavityTherm wall insulation board is a high performance composite board of enhanced PIR core with a lambda value of 0.021W/mK. The boards have gas tight facings with one face bonded to a profiled HIPS skin during manufacture to provide a drainage plane. CavityTherms unique engineered ..
Guide Price: £76.27
£91.52 inc VAT
59mm Plydeck Xtratherm (PIR with OSB Board) - 50mm PIR + 9mm OSB Board
Guide Price
Brand: Xtratherm Model and Size: 2400x1200 - 2.88m2
Delivery Time: 1 - 5 working days
Xtratherm Plydeck is a composite insulated panel of 50mm Xtratherm Polyisocyanurate core with a composite foil face, bonded to 9mm OSB board. The Xtratherm Plydeck provides a high level of thermal insulation and decking in one application.APPLICATIONPlydeck is designed to provide high levels of ther..
Guide Price: £77.01
£92.41 inc VAT
50mm Xtratherm Flat Roof Board FR-MG (pack of 10)
Guide Price
Brand: Xtratherm Model and Size: 1200x600mm - 7.2m2
Delivery Time: 1 - 2 days
Xtratherm FR-MG is a mineral coated glass faced board. Xtratherm XT/FR MG boards should be laid over the vapour control layer in a break bonded pattern. The long edges of the boards should be laid at right angles to the direction of the substrate and all edges must be fully supported by the deck. Th..
Guide Price: £114.35
£137.22 inc VAT
24.5mm Xtratherm Thin-R Thermal Liner XT/TL-MF - Mech Fix (15mm PIR Insulation bonded to 9.5mm Plasterboard)
Guide Price
Brand: Xtratherm Model and Size: 1200x2400 (2.88m2)
Delivery Time: 1 - 5 working days
24.5mm Xtratherm Thin-R Thermal Liner XT/TL-MF is a composite insulated panel of 15mm Xtratherm Polyiso (PIR) core with foil faces bonded to 9.5mm tapered edge plasterboard for mechanically fixing to internal walls. XT/TL-MF is designed to provide high levels of thermal insulation and dry ..
Guide Price: £50.48
£60.58 inc VAT
27.5mm Xtratherm Thin-R Thermal Liner XT/TL-MF - Mech Fix (15mm PIR Insulation bonded to 12.5mm Plasterboard)
Guide Price
Brand: Xtratherm Model and Size: 1200x2400 (2.88m2)
Delivery Time: 1 - 5 working days
27.5mm Xtratherm Thin-R Thermal Liner XT/TL-MF is a composite insulated panel of 15mm Xtratherm Polyiso (PIR) core with foil faces bonded to 12.5mm tapered edge plasterboard for mechanically fixing to internal walls. XT/TL-MF is designed to provide high levels of thermal insulation and dry..
Guide Price: £50.48
£60.58 inc VAT
24.5mm Xtratherm XT/TL Thermal Liner Dot and Dab (15mm PIR Insulation bonded to 9.5mm Plasterboard)
Guide Price
Brand: Xtratherm Model and Size: 1200x2400 - 2.88m2
Delivery Time: 1 - 5 working days
24.5mm Xtratherm XT/TL Thermal Liner Dot and Dab Insulated Plasterboard is a high performance rigid insulation board made from 15mm Xtratherm PIR core faced with composite kraft paper bonded to tapered edge 9.5mm plasterboard, specially designed for internal walls dry lining and insulation..
Guide Price: £57.71
£69.25 inc VAT
27.5mm Xtratherm XT/TL Thermal Liner Dot and Dab (15mm PIR Insulation bonded to 12.5mm Plasterboard)
Guide Price
Brand: Xtratherm Model and Size: 1200x2400 - 2.88m2
Delivery Time: 1 - 5 working days
27.5mm Xtratherm XT/TL Thermal Liner Dot and Dab Insulated Plasterboard is a high performance rigid insulation board made from 15mm Xtratherm PIR core faced with composite kraft paper bonded to 12.5mm plasterboard, specially designed for internal walls dry lining and insulation, due to its..
Guide Price: £57.71
£69.25 inc VAT
25mm Xtratherm XtroLiner XO/PR Pitched Roof PIR Insulation Board Fire Rated - Pack of 12 25mm Xtratherm XtroLiner XO/PR Pitched Roof PIR Insulation Board Fire Rated - Pack of 12
Guide Price
Brand: Xtratherm Model and Size: 1200x2400mm - 34.56m2
Delivery Time: 1 - 5 working days
25mm XtroLiner XO/PR board has a core of modified polyisocyanurate (PIR) bonded to low emissivity textured aluminium foil facings. It offers excellent insulation performance with thermal conductivity of 0.021 W/mK and a Class ‘O’ fire rating. XtroLiner XO/PR is CFC & HCFC free and is manufacture..
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