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BMI Redland’s free roof specification service designed to help architects and professional specifiers save time, and relieve the burden of writing specifications.
SpecMaster is our most comprehensive technical service, delivering a full roof specification covering slates, tiles, underlay, fittings, accessories, fixings and ventilation all provided in an NBS-based format for seamless integration into existing building specifications. SpecMaster simplifies the process, providing the relevant Redland product codes and a material list to support specifiers and surveyors with ordering.
With SpecMaster, not only can you be sure that your roofing specification is the best it can be, but you also have the added reassurance of our comprehensive 15-year design liability and roof weathertightness guarantee.
Here’s what our customers have to say about working with BMI Redland:
Neil Sweeting, N T Sweeting Roofing Contractors – The Gables, Arts & Crafts Residence
“BMI was always there to offer any advice that we needed. Their technical knowledge and support made a complex roof replacement straightforward, and the Rosemary Clay Classic tile restored the property’s heritage character beautifully. The comprehensive SpecMaster specification and guarantee gave us complete confidence throughout the project.”
Derek Kenway, Botley Roofing
“The specification drawn up by Redland helped to make everything clear, it was the first time we had utilised the SpecMaster so it was a bit of a change for us. The tiles and components were easy to work with and everyone involved was very happy with the results.”
Explore some of our SpecMaster projects below:
Our BMI Redland Technical Services team are on hand to provide you with a bespoke roofing specification that instantly problem-solves and removes risks of inadequate wind uplift resistance or inadequate ventilation, roof leakage or tile loss for your project.
As well as consideration to individual elements such as the shape, pitch, weight and type of tile or slate needed, a roof needs to work as a whole system - fundamentals that our experts deal with on a daily basis.
Your enquiry will receive personal expert attention for your project.

SpecMaster is our most comprehensive technical service, delivering a full roof specification covering slates, tiles, underlay, fittings, accessories, fixings and ventilation all provided in NBS-based format for seamless integration into existing building specifications. SpecMaster simplifies the process even further, providing the relevant Redland product codes and a material list to support Quantity Surveyors and Contractors with ordering.
With SpecMaster, not only can you be sure that your roofing specification is the best it can be, but you also have the added reassurance of our comprehensive 15-year design liability and roof weathertightness guarantee.

We work on a simple premise. If you specify our products, then you will benefit from the resources we can bring to ensure our products perform reliably over time. There are lots of product guarantees available in the construction market, but SpecMaster goes much further to be more than just a product warranty.
The roofing products, systems and junctions between detailed in a SpecMaster specification are guaranteed to be weathertight against driving rain and extreme wind conditions. We take sole responsibility should something go wrong, or if any roofing element fails in those 15 years, and will pay for the full cost of setting it straight. This includes materials, labour and scaffolding. You won’t find a more extensive roof guarantee anywhere else.

At BMI Redland, we aim to make the process of creating a specification as easy and stress-free as possible. Simply send us your site and project information, any roof drawings, and the Redland tile you plan to use and let our experts take care of the rest.
If you decide to proceed with our SpecMaster complete service, your Technical Specification Manager will continue to work alongside you throughout the entire project – from specification to completion. This can include site visits, installation and compliance monitoring, problem-solving, toolbox talks and on-site training for installation teams and offering expertise where useful.

Complete the online form below or contact a member of our BMI Redland Technical Services team to start your specification, discuss your project or find out more about how we can assist.
T: 0330 123 4585
E: technical.redland@bmigroup.com

Complete the online form here or contact a member of our BMI Redland Technical Services team to start your specification, discuss your project or find out ore about how we can assist you.
T: 0330 123 4585
E: technical.redland@bmigroup.com
For all stakeholders in the sector, it’s a huge responsibility to deliver affordable and sustainable housing developments which will meet the needs of future generations. That’s why they need reliable, rigorously tested, technically sound roofing that protects their properties, alongside flexible scope, cost certainties and guaranteed performance.
So how can we help? The quality, technical expertise, and total support that Redland delivers will play its part in ensuring projects succeed, every time.

To start your specification, you need to send BMI Redland your:
If you proceed with the complete SpecMaster service, your Project Specification Manager will continue to work alongside you throughout the entire project, from specification to completion. This support can include:
You can get started by completing an online form or contacting the team directly: