Best Selling Celotex Floor Insulation Boards in UK
Looking for the best Celotex floor insulation boards? This guide covers the most popular PIR insulation products used by UK trades, including GA4000 and TB4000, with expert advice on choosing...
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Trusted UK Supplier
Best selling Insulation
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Most popularCelotex
Celotex PIR Insulation Board - 2400mm x 1200mm - (TB4000, GA4000, & XR4000)
From £14.70 GBPUnit price /Unavailable -
Most popularSaleRockwool
Rockwool RWA45 Slab - 1200mm x 600mm - All Thicknesses
From £22.10 GBP£22.38Unit price /Unavailable -
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Most popular
Kingspan
Kingspan Kooltherm K106 Cavity Board - 1200mm x 450mm - All Thicknesses
From £90.50 GBPUnit price /Unavailable -
Most popularKnauf
Knauf Acoustic Partition Roll (APR) - 600mm Width - All Thicknesses
From £41.10 GBPUnit price /Unavailable -
Shop Plasterboard
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Most popular
Celotex
Celotex Insulated Plasterboard (PL4000) - 2400mm x 1200mm - All Thicknesses
From £36.40 GBPUnit price /Unavailable -
General Purpose
Moisture Resistant Plasterboard - 2400mm x 1200mm - All Thicknesses
From £19.66 GBPUnit price /Unavailable -
General Purpose
Fire Resistant Plasterboard - 2400mm x 1200mm - All Thicknesses
From £17.56 GBPUnit price /Unavailable -
General Purpose
Sound Acoustic Plasterboard - 1200mm x 2400mm - All Thicknesses
From £13.55 GBPUnit price /Unavailable -
General Purpose
Plasterboard Tapered Edge - All Thicknesses
From £10.85 GBPUnit price /Unavailable -
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Soprema
Soprema Sopratherm PL4000 Insulated Plasterboard - 1200mm x 2400mm
From £38.00 GBPUnit price /Unavailable
National Insulation Supplies
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National Insulation Supplies offer an extensive selection of insulation products from leading manufacturers like Celotex, Kingspan, Knauf, Rockwool, and Recticel and much more.
Explore our diverse range of products tailored for various applications, including floor insulation, wall insulation, roof insulation and cavity wall insulation.
Our loft insulation options include a variety of premium products, such as loft roll designed to enhance energy efficiency in your building and even loft boards.
We also provide specialised products such as fire protection insulation, acoustic insulation, and eco-friendly solutions. Whether you need insulated plasterboard, building membranes, or fire-stopping insulation.
Popular Insulation by Category
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PIR Insulation
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Loft Insulation
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Acoustic Insulation
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Cavity Wall Insulation
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Roof Insulation
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Insulated Plasterboard
Insulation Guides
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Cavity Wall Insulation: Benefits, Costs & Best Products (UK Guide 2026)
Cavity wall insulation remains one of the most effective ways to reduce heat loss and lower energy bills in UK homes, but is it still worth the investment in 2026?...
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Loft Insulation vs Spray Foam: Which Is Best for UK Homes? (2026 Guide)
Trying to decide between loft insulation and spray foam? This guide compares costs, performance, and pros and cons for UK homes, helping you choose the most effective and cost-efficient option...
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What Is Loft Insulation & How Does It Work? UK Guide (2026)
Learn what loft insulation is, how it works, types available in the UK, and how it reduces heat loss. A complete beginner-friendly guide with FAQs.
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Solving Ceiling Void Noise with Siderise CBX Acoustic Barriers
Noise control is essential in modern buildings, whether for privacy, comfort, or compliance. Yet one of the most overlooked areas in acoustic design lies above the ceiling
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Controlling Construction Site Noise with Siderise NCB-XL Noise Fences
Managing noise on and around construction sites is an ongoing challenge for contractors, developers, and site managers.
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Fire-Resistant Insulation: A Safety Guide
This guide explains how insulation is tested and classified for fire safety, which materials offer the best performance, and where different types are best used.
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Insulation and UK Building Regulations Explained
When insulating a home or commercial building in the UK, you are required to meet legal standards, not just trying to keep it warm or reduce energy bills.
