About us
National Insulation Supplies is a leading provider of high-quality insulation solutions, proudly serving both trade professionals and DIY enthusiasts across the UK. With over 50 years of family-owned expertise under our belt, we’ve built a reputation as a trusted name in the industry.
Our mission is simple: to deliver premium insulation products with exceptional service and support.
We’re more than just a supplier
Collaborating with some of the industry's top manufacturers, we bring you market-leading brands like Kingspan, Celotex, Rockwool, Knauf, and more. Our comprehensive product range includes PIR boards, EPS insulation boards, loft rolls, acoustic insulation, and underfloor heating boards, ensuring we can meet every insulation need. With competitive pricing, fast nationwide delivery, and expert guidance from our knowledgeable team, we make the process seamless and stress-free.
Let customers speak for us
Excellent customer service and product.
Very good quality and very convenient to order with very helpful staff
Good quality product, works very well. It was delivered in a good time frame. Would definitely recommend.
Excellent service it's the second time I've used this company and I would highly recommend them
Ordered 8 sheets that were delivered on site in good condition and very prompt.
Thank you
It all worked well for me!
Thank you
Excellent Price, friendly and efficient service, timely and easy delivery. Will definitely order from here again.
Fast delivery and great prices many thanks
Excellent product easy to work with and install
Competitive prices and a good, reliable service, can’t fault it!
Good user friendly website, easy ordering, good timeline communication, helpful delivery driver, have no hesitation in highly recommending
Great price and quality. Speedy delivery. Will use again and recommend
Excellent service, appreciate it
Bargain and fast delivery. Excellent service. I have purchased twice from this company.
Never had a problem. Images shown on here real.
Fantastic service and at a good price