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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Best selling Insulation
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Most popularSaleCelotex
Celotex PIR Insulation Board - 2400mm x 1200mm - All Thicknesses
From £11.15 GBP£12.64Unit price /Unavailable -
Most popularSaleRockwool
Rockwool RWA45 Slab - 1200mm x 600mm - All Thicknesses
From £21.30 GBP£22.38Unit price /Unavailable -
Most popularSale -
Most popularSale
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Most popular
Kingspan
Kingspan Kooltherm K106 Cavity Board - 1200mm x 450mm - All Thicknesses
From £76.40 GBPUnit price /Unavailable -
Most popularKnauf
Knauf Acoustic Partition Roll (APR) - 600mm Width - All Thicknesses
From £43.17 GBPUnit price /Unavailable -
Most popular
Recticel
Recticel Eurowall+ (Full Fill Cavity Board) - 1200mm x 460mm - All Thicknesses
From £85.88 GBPUnit price /Unavailable
Shop Plasterboard
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Most popular
Celotex
Celotex Insulated Plasterboard (PL4000) - 2400mm x 1200mm - All Thicknesses
From £35.47 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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Top Insulation Brands Delivered Nationwide
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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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.
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Insulation Thickness and R-Value: What You Need to Know
This guide will help you understand R-Value and Thicknesses. Selecting the right product and depth depends on where the insulation is being installed (loft, wall, floor, or roof), the space,...
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The Environmental Impact of Insulation Materials
This guide breaks down the sustainability profiles of popular insulation materials, highlights more eco-friendly alternatives, and outlines how the industry is evolving towards greener solutions.
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How to Store and Handle Insulation Safely
Whether you're a large contractor or distributor, or trade professional managing smaller jobs, knowing how to properly store and handle insulation helps ensure product performance, site safety, and cost-efficiency.
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How to Soundproof Walls, Floors and Ceilings with Acoustic Insulation
If you want to reduce airborne noise between floors, dampen echo in office partitions, or block street noise in a flat, this acoustic insulation guide will walk you through the...
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5 Common Insulation Mistakes to Avoid
In this guide, we’ll walk you through the most common insulation problems, how they affect your home, and most importantly how to avoid them
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A Beginner’s Guide to Installing Insulation
With the right tools and a bit of preparation Installing insulation is a job many DIYers can handle. Especially in lofts, floors, and internal walls. This short guide will help...
