Celotex Thermaclass Cavity Wall 21 is a high performance rigid polyisocyanurate (PIR) insulation solution designed for full fill cavity wall applications. It is a popular choice of insulation board, as it offers a wealth of benefits – from its superb thermal performance to its straightforward, seamless installation. If you’re considering buying Celotex Thermaclass Cavity Insulation, and would like to know more, then we’ve written a really useful blog for you below. We take a quick look at this high quality solution, and some of the biggest benefits it can offer your application. Read on to learn more, and if you’d like to order Celotex insulation boards, visit the Online Insulation online store today. 

Excellent Thermal Performance

A huge reason to choose the Celotex Thermaclass Cavity Insulation solutions is that they provide excellent thermal performance with a thermal conductivity of 0.021 W/m.K. This reduces the thickness of the insulation required to hit the target U-value. If you want a solution that offers great thermal performance, then you can’t go wrong with the Thermaclass range of products. 

Straightforward to Install

Secondly, you should choose this solution as it is incredibly simple to install. When you incorporate this solution within your project, it will benefit you with ease of installation. These boards are sized to fit standard cavity wall tie spacing. They are also lightweight and rigid, which makes it easier to transport, handle and fit them too. 

BBA Certified

Furthermore, Celotex Thermaclass Cavity Wall 21 is a BBA certified solution. It has been assessed by the BBA as suitable for use in defined full fill cavity wall applications, if installed, utilised and maintained in accordance with the terms set out in the certificate. This solution will meet certification requirements as needed. It also holds certifications for Euroclass E Reaction to Fire classification, according to BS EN 13501-1, and has been manufactured under Environmental Management System ISO 14001:2015.

Provides Long Term Energy Savings

To finish, another reason to choose this solution is that when used, it will give you reliable long term energy savings for your building. With the low emissivity foil facings, you will receive an improved thermal insulation performance within cavity air spaces. As a result, it will save you energy in your building in the long run.

Buy Celotex Insulation Boards Today

Here at Online Insulation, we are the go-to destination for all your needs when it comes to Celotex insulation boards. We stock the Celotex Thermaclass Cavity Insulation solution in a number of thicknesses to suit all requirements and applications. Our options include 90mm Celotex Thermaclass Cavity Insulation, 115mm Celotex Thermaclass Cavity Insulation, and 140mm Celotex Thermaclass Cavity Insulation. We sell this solution in pallet quantities and at a highly competitive price to meet all budgets. If you need any assistance with choosing the right solution for your needs, then please get in touch with us today. Our experienced team has over 20 years of knowledge and expertise in the industry, so we’re well-equipped to provide you with the best advice, guidance and support. You can call us on 01509 649065 or email us at info@onlineinsulation-sales.com and we’ll get back to you as quickly as possible. We provide free nationwide shipping on all orders over £350 + VAT, saving our customers money on delivery fees. Alongside this, we offer a number of payment methods including PayPal, which allows you to pay in several interest-free payments. With a 4.72 rating on Reviews, you can be assured that it’ll be a first-class experience when you come to Online Insulation.