Welsh Slate Roofing Information for Architects and Specifiers
Welsh Slate’s unrivalled technical team can guide you through the process from design and sampling through to the installation on site.
Our team’s experience is available to you either virtually or in person. We are happy to undertake site inspections to help offer the best choice of slates to match in with or replace an existing roof. From detailed technical advice to providing both CAD and BIM detailing, even a bespoke specification for your project.
Our technical team will work with you to find the best solutions to any roofing challenges in the design.
ARRANGE A RIBA APPROVED CPD SEMINAR AND/OR A CPD FACTORY TOUR
*Welsh Slate RIBA certified Factory tour and seminar both earn double points towards your CPD time
Working with Architects and Specifiers
- Penrhyn® Slate has been designated as Global Heritage Stone Resource, an indication of Welsh Slate’s importance to building heritage Worldwide
- Welsh Slate implement a fully quality assured production process to deliver the best natural roofing slate available
- When selecting the correct size of Welsh Slates for a project there are several factors to consider; these include location, roof pitch as well as the desired aesthetics
Providing digital, virtual and face-to-face support on everthing Welsh Slate
Within this section of our website we have numerous resources to support you in designing and specifying Welsh Slate within your project.
Here's a quick resume and links to the relevant information:
- Digital Roofing Brochure providing a comprehensive technical guide and required Standards
- Certification & Data Sheets
- Slate roofing terminology
- UK annual driving rain index
- Slate sizes and weights
- Slate headlap tables for Natural Slate BS5534
- Slate coverage formula
- Battening and holing gauges tables
Welsh Slate Roofing Products on NBS Source
Welsh Slate has partnered with NBS to provide a single source for all product information.
This platform brings together the NBS BIM Library, NBS Plus and Product Selector which means all our products can be specified directly into projects by importing the enhanced product data directly from NBS Source using the NBS Chorus cloud-based specification writing platform.
Below is an overview from NBS Source offering the full Roofing product range all authored to both CAWS and Uniclass 2015 standards. Simply select the relevant Welsh Slate product(s) and highlight the relevant items to match your product and project requirements.
Download our Roofing Brochure for a Comprehensive Guide to Technical Requirements and Standards
Download Brochure
Latest News and Case Studies
Roofing
CAMBRIAN RAILWAY BUILDING IN OSWESTRY SHORTLISTED FOR NATIONAL RAILWAY HERITAGE AWARD
The restoration was led by skilled craftsmen from local specialists Phillips and Curry Ltd and included the careful removal of hazardous asbestos tiles. These were replaced with high-quality 500mm x 300mm Ffestiniog Blue Grey Capital-grade slates supplied
Roofing
A NEW ROOF AT ROSSLYN
Rosslyn Castle, jointly with Rosslyn Chapel, is one of the most significant heritage assets in Midlothian and for the first time in over 350 years the castle has a new permanent roof of Penrhyn roofing slate over formerly ruinous areas
Roofing
HISTORIC PIER GETS A NEW CROWN THANKS TO WELSH SLATE
An Edwardian pier with Royal connections is enjoying a new lease of life, thanks in part to Welsh Slate. Some 800m2 of Welsh Slate’s Penrhyn roofing slates were specified for the reroof of the Royal Terrace Pier in Kent
Roofing
PRIVATE SCHOOL REROOFED IN WELSH SLATE WINS ROOFING COMPANY AN A+ IN NATIONAL AWARDS
Their year-long work at the independent day school in Cardiff, involved more than 1,000m2 of Welsh Slate’s Penrhyn Heather Blue County-grade slates
Roofing
WELSH SLATE HELPS TO BRING HISTORIC CHURCH BACK FROM THE BRINK
An £8 million project to rescue one of central London’s most significant churches from Historic England’s Buildings at Risk Register is now complete, and topped with Welsh Slate.
Roofing
WELSH SLATE TOPS THE FOREFRONT OF A BUILDING REVOLUTION
The Red House was a blueprint for York’s building revolution as following the Great Fire of London, the Government of the day issued new building regulations, including a requirement that any new houses fronted onto a pavement must be built of brick and/o
Roofing
DM ROOFING & ROUGHCASTING LTD CELEBRATES TRIPLE WIN AT NFRC AWARDS WITH WELSH SLATE
The University of Glasgow project showcases the pinnacle of roofing expertise and the timeless beauty of Welsh Slate. The Cwt-y-Bugail slate, renowned for its durability and aesthetic appeal, perfectly complements the heritage architecture of the universi
Roofing
THREE IMPRESSIVE PROJECTS UTILISING WELSH SLATE HAVE BEEN SELECTED AS FINALISTS IN THE PITCHED ROOFING AWARDS
Lucent, St Andrew's Church and The Roundhouse are battleing it our in the "Best use of slate for a commercial project"
Roofing
FROM COURSES TO HORSES
One of the key factors in choosing Welsh slates was their high-quality natural appearance. We recognised the importance of maintaining the architectural integrity of the church, and these slates perfectly matched the authentic look of the existing roof.
Roofing
WELSH SLATE AWARDS TOTAL HITS THE HEIGHTS
Welsh Slate has added to its impressive award roster by featuring on a host of recent winning projects. Welsh Slate featured in every project using slate that won at the NFRC Roofing Awards 2024 on May 10th.
Roofing
WELSH SLATE HELPS ALL SOULS FROM THE END OF AN ERA TO A NEW ONE
The church is an iconic building, occupying a key position on Regent Street, and is highly visible from the surrounding streets, therefore the aesthetic qualities of Welsh Slate were a major consideration.
Roofing
WELSH SLATE HELPS SHED NEW LIGHT AT AT BRIGHTON DOME
Adjoining the famous Royal Pavilion, the Corn Exchange and Studio Theatre have been refurbished by award-winning architects Feilden Clegg Bradley Studios (FCBStudios) for a 21st Century audience. The Welsh slates were also used on the roof of the Grade II