Best Celotex Insulation Board Deals Online in the UK (10 Deals Found)

Last Updated - 14/09/2026 Sort By:

Best Choice
NOVECRAFTO

New
NOVECRAFTO PIR Insulation Board 1200 x 600 x 20mm (0.72 m²) – High Performance Rigid Thermal Insulation Panel – Slim Alu
HIGH THERMAL PERFORMANCE – 20mm PIR board delivers excellent thermal efficiency with low thermal conductivity of λD: 0.0

£18.45
Best Value
NOVECRAFTO

New
NOVECRAFTO PIR Insulation Board 1200 x 600 x 20mm, 10 Pack (7.2 m²) – High Performance Rigid Thermal Insulation Panel –
HIGH THERMAL PERFORMANCE – 20mm PIR board delivers excellent thermal efficiency with low thermal conductivity of λD: 0.0

£92.95
Generic

New
100mm PIR Insulation Board, 600mm x 1200mm, Pack of 4
Rigid Insulation: This 100mm PIR insulation board provides excellent thermal insulation properties to help reduce energy

£62.99
MD Carpentry Workshop

New
Kingspan / Ectotherm / Celotex P.I.R Insulation 50mm x 2400mm x 1200mm (8ft x 4ft) Insulation Boards (5)
Kingspan / Ectotherm / Celotex P.I.R Insulation 50mm x 2400mm x 1200mm (8ft x 4ft) insulation boards HIGH PERFORMANCE RI

£383.00
buildershop (uk) ltd

New
Buildershop (UK) Ltd 2400 x 1200 x 25mm Celotex TB4025 / Kingspan TP10 / TF70 / Ecotherm Ecoversal Foil Insulation Board

£423.00
Triplast

New
Triplast Expanded Polystyrene Foam Sheets EPS 70 (12 Sheets, 1200 x 600 x 25mm Each) - BBA Certified Wall & Floor Insula
CONTENTS: 12 x Polystyrene Sheets | SIZE: Each square-edged sheet measures 1200mm (Length) x 600mm (Width) x 25mm (Heigh

£42.99
buildershop (uk) ltd

New
Buildershop (UK) Ltd 2400 x 1200 x 50mm Celotex GA4050 / Kingspan TP10 / TF70 / Ecotherm Ecoversal Foil Insulation Board
Celotex, Kingspan, Ecotherm or a direct equivalent PIR insulation will be supplied depending on location.

£847.00
Generic

New
75mm PIR Insulation Board, 400mm x 1200mm, Pack of 6
Rigid Insulation: This 75mm PIR insulation board provides excellent thermal insulation properties to help reduce energy

£47.29
NOVECRAFTO

New
PIR Insulation Board 1200 x 450 x 50 mm; 47.2 x 17.7 x 2 in, One Panel Covers 0.54m² (5.81 ft²), Rigid Thermal Panel wit
Strong Thermal Performance – Built with rigid PIR (polyisocyanurate) foam and aluminium foil facings on both sides, the

£19.45
buildershop (uk) ltd

New
2400 x 1200 x 100mm Celotex GA4100 / Kingspan TP10 / TF70 / Ecotherm Ecoversal Foil Insulation (7)
Multi use foil faced PIR rigid insulation board suitable for roofs, floors and walls. Celotex, Kingspan, Ecotherm or a d

£481.00

10 Celotex Insulation Board deals are available from: Amazon stores, starting from £18.45.
The biggest discount we found is 10%% on NOVECRAFTO PIR Insulation Board 1200 x 600 x 20mm (0.72 m²) – High Performance Rigid Thermal Insulation Panel – Slim Aluminum Faced Board for Walls, Floors & Roofs at Amazon.
The lowest price we found is £18.45 while the highest is £847.00.
Prices for the best Celotex Insulation Board deals average at £241.81.
Last updated on September 14, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Celotex Insulation Board.