Where to buy Insulation board by thickness?

You can buy all insulation Board thicknesses right here at Insulation Wholesale. We stock a wide range of insulation boards by thickness, so you do not have to compromise on material depth. Our team understands the importance of clear sizing and reliable stock. Order your preferred insulation thickness Board online for competitive pricing and fast delivery.

What insulation board thicknesses are there?

Insulation boards commonly range from 20mm to 150mm and above. Some brands offer higher thicknesses beyond 150mm, reaching 200mm and thicker for custom orders. In this category, all our boards are grouped by thickness for easy comparison.

What is the thickest insulation board available?

The thickest insulation is 120mm to 200mm and thicker, mainly used in roofs, external walls, and high-performance builds where energy efficiency is a priority. These thicknesses offer significantly higher resistance to heat loss.

Insulation Board By Thickness

Showing 145–158 of 158

Products in Insulation Board By Thickness

In stock only

Clear All Show in stock only

There are 2 more images
80mm Kingspan Thermaroof TR26 PIR Insulation Board 2400mm x 1200mm (8′ x 4′) Pack of 4 (11.52m2)

80mm Kingspan TR26 Thermaroof is high-performance insulation that has a fiber-free rigid thermoset polyisocyanurate (PIR) core. Suitable for flat roof application waterproofed with mechanically fixed single-ply waterproofing.

£285.31£342.37 Ex VATInc VAT
£24.77£29.72 Per M2
Add to cart
There are 2 more images
80mm Kingspan Thermaroof TR27 PIR Insulation Board 1200mm x 1200mm Pack of 4 (5.76m2)

80mm Kingspan Thermaroof TR27 is a high performance insulation with a fibre-free rigid thermoset polyisocyanurate (PIR) core. It is used to insulate flat roofs waterproofed with fully adhered single-ply, partially bonded built-up felt, mastic asphalt and cold liquid applied waterproofing.

£157.95£189.54 Ex VATInc VAT
£27.42£32.90 Per Sheet
Add to cart
80mm Recticel Eurothane GP PIR Insulation Board 2400mm x 1200mm (8′ x 4′) 2.88m2

80mm Recticel Eurothane GP is a polyisocyanurate (PIR) insulation core with composite aluminium foil facings on both sides. Recticel is a multi-purpose insulation board suitable for use in pitched roofs, ceilings, floors and walls.

£37.29£44.75 Ex VATInc VAT
£12.95£15.54 Per M2
Add to cart
80mm Unilin Safe-R SR/PR Pitched Roof Phenolic Insulation Board 2400mm x 1200mm (8′ x 4′) Pallet of 28 (80.64m2)

80mm Unilin Safe-R Pitched Roof SR/PR provides top-tier thermal efficiency for sloped roofs, including ventilated, hybrid, and warm setups, ensuring excellent U-values with minimal impact on living space.

POA
Get a quote
There are 2 more images
90mm Celotex GA4090 PIR Insulation Board 2400mm x 1200mm (8′ x 4′) 2.88m2

90mm Celotex GA4090 is a polyisocyanurate (PIR) insulation core with composite aluminium foil facings on both sides. Celotex is a multi-purpose insulation board suitable for use in pitched roofs, ceilings, floors and walls.

£40.45£48.54 Ex VATInc VAT
£14.05£16.86 Per M2
Add to cart
90mm Celotex Thermaclass Cavity Wall 21 Insulation Board 1190mm x 450mm Pack of 6 (3.21m2)

90mm Celotex Thermaclass Cavity Wall 21 is a PIR T&G insulation board designed for full-fill cavity wall applications. Low-emissivity foil facing provides versatility during installation, allowing for a 10mm residual cavity.

£122.68£147.22 Ex VATInc VAT
£38.22£45.86 Per M2
Add to cart
90mm Ecotherm Eco-Cavity Full Fill Insulation Board Tongue And Groove 1200mm x 450mm Pack of 4 (2.16m2)

Eco-Cavity Full Fill is suitable for full fill cavity wall applications while maintaining a residual 10 mm cavity. The residual cavity helps resist moisture transfer, aids installation, and accommodates mortar squeeze. The tongue and groove edges to ensure a continuous layer of insulation, increasing protection from wind driven rain and aiding installation.

£58.00£69.60 Ex VATInc VAT
£26.85£32.22 Per M2
Add to cart
90mm Ecotherm Eco-Versal Rigid PIR Insulation Board 2400mm x 1200mm (8′ x 4′) 2.88m2

90mm Ecotherm Eco-Versal is a polyisocyanurate (PIR) insulation core with composite aluminium foil facings on both sides. Ecotherm Eco-Versal is a multi-purpose insulation board suitable for use in pitched roofs, ceilings, floors and walls.

£40.89£49.07 Ex VATInc VAT
£14.20£17.04 Per M2
Add to cart
90mm Jablite HP+ 70E External Wall Insulation Board 1200mm x 600mm (4′ X 2′) Pack of 6 (4.32m2)

90mm Jablite HP+ 70E External Wall Insulation Board is designed to enhance thermal efficiency for external walls. It can be bonded or mechanically fixed, providing reliable insulation solution.

£49.26£59.11 Ex VATInc VAT
£11.40£13.68 Per M2
Add to cart
There are 1 more images
90mm Kingspan Kooltherm K103 Insulation Floorboard 2400mm x1200mm Pack of 3 (8.64m2)

90mm Kooltherm K103 is a premium phenolic core floor insulation solution, designed to deliver exceptional performance with solid concrete or suspended timber floors.

£298.12£357.74 Ex VATInc VAT
£34.50£41.40 Per M2
Add to cart
90mm Kingspan Kooltherm K106 Cavity Board Insulation 1200mm x 450mm Pack of 4 (2.16m2)

90mm Kingspan Kooltherm K106 Cavity Board is a premium performance insulation with a fibre-free rigid thermoset phenolic core with a thermal conductivity of just 0.019 W/mK across all thicknesses.

£88.75£106.50 Ex VATInc VAT
£41.09£49.31 Per M2
Add to cart
90mm Kingspan Kooltherm K110 Soffit Board Insulation 2400mm x 1200mm Pack of 3 (8.64m2)

90mm Kingspan Kooltherm K110 Soffit Board Insulation enhances thermal performance in soffit areas with its slim, efficient design. It’s easy to install and improves energy efficiency.

£317.31£380.77 Ex VATInc VAT
£36.73£44.08 Per M2
Add to cart
There are 2 more images
90mm Kingspan Thermaroof TR26 PIR Insulation Board 2400mm x 1200mm (8′ x 4′) Pack of 3 (8.64m2)

90mm Kingspan TR26 Thermaroof is high-performance insulation that has a fiber-free rigid thermoset polyisocyanurate (PIR) core. Suitable for flat roof application waterproofed with mechanically fixed single-ply waterproofing.

£249.28£299.14 Ex VATInc VAT
£28.85£34.62 Per M2
Add to cart
90mm Recticel Eurothane GP PIR Insulation Board 2400mm x 1200mm (8′ x 4′) 2.88m2

90mm Recticel Eurothane GP is a polyisocyanurate (PIR) insulation core with composite aluminium foil facings on both sides. Recticel is a multi-purpose insulation board suitable for use in pitched roofs, ceilings, floors and walls.

£38.79£46.55 Ex VATInc VAT
£13.47£16.16 Per M2
Add to cart