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 361–367 of 367 results

In stock only

90mm Unilin Thin-R PIR Insulation Board 2400mm x 1200mm (8′ x 4′) Pallet of 24 (69.12m2)

90mm Unilin Thin-R PIR insulation is a foil faced, high-performance insulation solution that offers exceptional thermal efficiency and durability. This polyisocyanurate insulation board, formerly known as Xtratherm, is ideal for a range of applications, such as floors, pitched roofs, and walls.

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125mm Mannok PIR Insulation Board 2400mm x 1200mm (8′ x 4′) 2.88m2

125mm Mannok PIR Insulation Board is an excellent choice for anyone looking for a high-performance insulation solution that provides superior thermal efficiency. It is ideal for use in any construction project, such as commercial and residential, in wall applications as well as roofing and flooring applications.

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100mm Kingspan Kooltherm K112 Framing Insulation Board 2400mm x 1200mm Pack of 3 (8.64m2)

100mm Kingspan Kooltherm K112 Framing Board is a premium performance insulation with a fibre-free rigid thermoset phenolic core. It is used to insulate timber and steel framing systems with thermal conductivity of just 0.019 W/mK across all thicknesses.

£409.37£491.24 Ex VATInc VAT
£47.38£56.86 Per M2 Get restock alert
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110mm Celotex XR4110 PIR Insulation Board 2400mm x 1200mm (8′ x 4′) 2.88m2

110mm Celotex XR4110 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.

£49.39£59.27 Ex VATInc VAT
£17.15£20.58 Per M2 Get restock alert
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130mm Celotex XR4130 PIR Insulation Board 2400mm x 1200mm (8′ x 4′) 2.88m2

130mm Celotex XR4130 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.

£63.64£76.37 Ex VATInc VAT
£22.10£26.52 Per M2 Get restock alert
130mm Recticel Eurothane GP PIR Insulation Board 2400mm x 1200mm (8′ x 4′) 2.88m2

130mm 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.

£56.17£67.40 Ex VATInc VAT
£19.50£23.40 Per M2 Get restock alert
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20mm Kingspan Therma TP10 / TF70 / TW55 PIR Insulation Board 2400mm x 1200mm (8′ x 4′) Pack of 15 (43.20m2)
All three models 20mm Kingspan Therma PIR Insulation Board:
- 20mm Thermapitch TP10
- 20mm Thermafloor TF70
- 20mm Thermawall TW55
share the same high-performance PIR core and low-emissivity foil facings, offering excellent thermal efficiency and easy installation. Although labeled differently, these boards share identical technical specifications.

No longer in production.
£326.73£392.08 Ex VATInc VAT
£7.56£9.07 Per M2 Get restock alert