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jhai System Approval

Your Warmer Roof has been independently tested and certified to gain System Approval Certification from jhai, an accredited national building control approvals agency. These tests involve detailed analysis and verification of the roof system from independently sourced structural calculations, along with further assessment checks on thermal performance and condensation risk analysis.

Building control that is hassle-free

Warmer Roof and jhai have formed a formidable relationship and are now working together to ensure a smooth, hassle-free building control approval process for all Warmer Roof customers when taking advantage of the System Approval process.

Building Control is often perceived as a burden within the industry that puts off perspective trade customers from venturing into the solid roof market. When dealing with the local authority or any other third-party building control that do not fully understand the system being installed, this can cause huge delays on the project, countless queries being raised and endless amounts of documentation to be provided. Warmer Roof have created a process which eradicates all the above meaning a smooth process from start to finish.

Our in-house specialist
team are here to guide you
 every step of the way

We understand the process can seem a daunting for any first-time building control users. For this reason, jhai have created a dedicated team specialising in Warmer Roof applications. This personal touch is designed to further enhance your building control process providing expert advice from start to finish.

T: •01308 428044
E: warmerroof@jhai.co.uk

Ask us a question

Why jhai?

  • Dedicated in-house team specialising in Warmer Roof System builds
  • In-depth product knowledge
  • Expert advice to guide you and resolve any issues quickly
  • Personal approach service
  • Covers the majority of the UK (except Scotland
  • Consistent approach through dedicated project manager
  • Fast response to enquiries and inspection requests via the Building Control project team
  • Pre-application advice to help reduce delays and unexpected costs at the time of the quote
  • One-stop administration service
  • In-house SAP calculation assessor

Getting started

Applications cannot be made after the works have started and jhai will need at least 5 days’ notice to register the application. If work has already started jhai will not fulfil the building control application.
Download our PDF application form and other useful information.
See downloads

Applications should be completed in full including your contact details; the name and address of the householder: describing the work being done and your proposed start date

Application forms should be emailed to warmerroof@jhai.co.uk

Upon receipt of the form or email, jhai will register your project with ‘initial notice’ before works commence on site.