Loft Roll Calculator
CB Building Products Materials Calculator
Take the Guesswork Out of Your Next Insulation Project
What Can It Do?
Our calculator currently estimates the number of thermal insulation roll packs you’ll need, based on your project size and chosen product. It’s perfect for:
- Loft insulation roll calculations.
- Wall insulation project planning.
- Thermal insulation upgrades.
- Energy-efficient refurbishments.
Future updates will include support for board insulation, acoustic slabs, and other drylining essentials.
Why Use the CB Building Products Calculator?
- Fast & Free: No sign-up, no payment, no delay.
- Precision Planning: Get the right number of packs without over – or under-ordering..
- Waste Reduction: Keep your site tidy, efficient, and cost-effective.
- Perfect for Trade & DIY: Whether you’re a pro or giving it a go, we’ve got your back.
How to Use It
- Measure your project area – Width × Length (in metres).
- Choose the product type or roll thickness.
- Get your pack requirement instantly.
It’s that easy. Our tool does the maths, so you can focus on the build.
Built for Builders – Trusted by Trades
At CB Building Products, we know what’s at stake when you’re on-site. Delays, incorrect materials, or costly overruns can affect the entire job. That’s why this tool was built by insulation specialists, for builders like you.
With decades of experience and a national delivery network, we make sure your materials are where you need them, when you need them.
Not Sure Which Product Is Right?
We offer a full range of thermal insulation rolls, PIR boards, acoustic slabs, and more – from industry-trusted names like Celotex, Rockwool, Isover, and Knauf.
Need Expert Guidance?
Speak to our team – we’re always ready to help you choose the right product for the job.
Save Time. Save Money. Get It Right First Time.
Join thousands of professionals across the UK who trust CB Building Products for their insulation and drylining needs.
- Over 80 Years Combined Experience
- Friendly, Personalised Support
- Nationwide Delivery
- Competitive Pricing
CB Building Products – The UK’s Trusted Insulation Supplier
Built on experience. Driven by quality. Focused on your success