Celotex TB4025 is targeted at cut-to-fit applications between rafters or joists and enables users to achieve lower U-values with a single layer of insulation than has previously been possible. It is also appropriate for use in floors and walls.

The Celotex Handy Guide is an essential tool that includes invaluable features such as easy-to-use ready reckoners, extensive U-value calculations, detailed illustrations and clear installation guidelines. Celotex XR4000 is a multi purpose insulation board enabling users to achieve lower U-values with a single layer of insulation than has previously been possible. Our 200mm thick product positions Celotex as the manufacturer of the broadest range of product thicknesses from 12–200mm. The professional Celotex U-value Calculator is one of the most comprehensive online calculation services in the industry, with a variety of different insulation applications covered. Specify your desired U-value before immediately calculating the required insulation thickness and project. Apr 26, 2018 · The Celotex U-value calculator app gives you instant access to wide ranging and comprehensive U-value calculations on your mobile when you are away from the office. Carry on your calculation in the The XR4000 insulation board range from Celotex has been designed to provide users with a thinner insulation board that still achieves high U values. Celotex XR4000 boards have been developed to be used specifically in “cut-to-fit” applications, meaning that they can be fitted between rafters and joists to provide a highly insulating layer The Celotex U-value Calculator is one of the most comprehensive online calculators in the industry and is used by thousands of small to large architects and specifiers all over the country. So for this reason we have we have just made this bigger and better for our users to improve your experience.

PIR Insulation Specialists. Welcome to the Celotex Insulation Blog Here you will find the latest articles written by our insulation specialists focusing on product developments, building regulations and technical guidance notes.

SuperQuilt is proven to save cost, space, wastage & installation time compared to Rigid PIR Insula tion (Kingspan / Celotex) Require a U-value document for building control? Visit our free & easy to use Online U-value Calculator. Receive instant solutions in less than 60 seconds! Click Here to Use! import_contacts See Full Guide U-Value. Now you have your Rt value, the calculation is simple, one divided by the Rt. There you have your U-Value. Other helpful bits: Architecture.com U-Value guide BRE Guide to U-Values. One of our readers, Brian, has very kindly provided access to the U-Value calculations of a live project so that you can get a feel for what is involved. Celotex offer PIR thermal insulation boards in various thicknesses for new build and refurbishment applications for both the commercial and domestic sectors. Important Information: For all updates and Celotex announcements since June 2017, please see the links below

The Celotex U-value Calculator is one of the most comprehensive online calculators in the industry and is used by thousands of small to large architects and specifiers all over the country. So for this reason we have we have just made this bigger and better for our users to improve your experience.

Celotex TB4025 is targeted at cut-to-fit applications between rafters or joists and enables users to achieve lower U-values with a single layer of insulation than has previously been possible. It is also appropriate for use in floors and walls. Login to the Celotex Members' Area for a range of specification tools, making specifying Celotex easy! Register to gain access to our comprehensive technical library which contains helpful specification tools, including the popular Celotex U-value Calculator, Thermal Bridging Models, BIM objects and much, much more. A U-value is a sum of the thermal resistances of the layers that make up an entire building element – for example, a roof, wall or floor. It also includes adjustments for any fixings or air gaps. A U-value value shows, in units of W/m²·K, the ability of an element to transmit heat from a warm space to a cold space in a building, and vice versa. Celotex Technical Centre: 01473 820850 celotex.co.uk Physical Properties Method GA4000 Compressive strength BS EN 826 ≥140kPa Dimensional stability BS EN 1604 DS(TH)8 Water vapour resistance BS EN 12086: Method B >150 MNs/g Thermal conductivity BS EN 12667 0.022 W/mK Surface spread of flame BS 476-7 Class 1 Typical U-values Celotex Technical Centre: 01473 820850 celotex.co.uk Physical Properties (*insulation only) Method GS5000 Compressive strength* BS EN 826 ≥120kPa Dimensional stability* BS EN 1604 DS(TH)8 Thermal conductivity* BS EN 12667 0.021W/mK Fire resistance BS EN 13501-1 Euroclass B-s1,d0 Typical U-values U-values will vary depending on application. 1980: In the U.S. in the 1980's Celotex Thermax insulating board was described by the Celotex Company (Jim Walters corporation, Tampa) as an insulating sheathing board with an R-value of 5.4 for a 3/4" thick board: higher R than its competitors at the time as it was compared with foam insulating board sold by Dow, WR Grade and Simplex You are being redirected.