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.
CLICK HERE TO 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.
Certification & Data Sheet Downloads
This area of our roofing information for Architects and Specifiers provides an additional level of enhanced product data, in a consistent, structured format to help you save time chasing product information.
Slate Material Safety Data Sheet - PDF
Cwt-y-Bugail Roofing
Capital Roofing Slate DOP - PDF
County Roofing Slate DOP - PDF
Celtic Roofing Slate DOP - PDF
Capital Roofing Commercial document - PDF
County Roofing Commercial document - PDF
Celtic Roofing Commercial document - PDF
Penrhyn Roofing
Capital Roofing Slate DOP - PDF
County Roofing Slate DOP - PDF
Celtic Roofing Slate DOP - PDF
Capital Roofing Commercial document - PDF
County Roofing Commercial document - PDF
Celtic Roofing Commercial document - PDF
Roofing ATG Certificate
Download this Roofing Brochure for a Comprehensive Guide to the Technical Requirements and Standards
Download Brochure
Latest News and Case Studies
Roofing
SPRINGFIELD HOUSE GETS A HEALTHY NEW ROOF, THANKS TO WELSH SLATE
Hospital building gets a new lease of life from Welsh Slate and Stoic Roofing.
Roofing
WELSH SLATE HELPS ATTLEYS CATCH A CURVE BALL AT COAL DROPS YARD
Some 92,000 Cwt Y Bugail slates feature on a ground-breaking new/old roof.
Roofing
THE LIFE OF A WELSH SLATER DOWN UNDER
The UK versus Australia according to Nigel Carter.
Roofing
WELSH SLATE TOPS A GROUNDBREAKING LUXURY APARTMENT BLOCK
A total of more than 1,000m2 of Welsh Slate’s Penrhyn Heather Blues feature on the mansard roofs of four new storeys of luxury penthouse apartments priced between £17 million and £38 million at a former diplomatic building.
Roofing
IRISH EMBASSY
The £2.5 million re-roof of the Grade II listed Irish Embassy in London, with more than 10,000 Penrhyn Heather Blue slates from Welsh Slate, has required its own exceptional levels of diplomacy.
Roofing
WELSH SLATE HELPS GIVE A LONDON LANDMARK A NEW LEASE OF LIFE
Welsh Slate roofing slates have played a “critical” role in the award-winning renovation of one of London’s most unusual buildings.
Roofing
WELSH SLATE REROOF REQUIRES ONE OF THE LARGEST FREESTANDING SCAFFOLDS
Work has drawn to a close on the two-year refurbishment of the roof of a historic arts college that required 26,000 new Welsh slates for 39 separate roof areas.
Roofing
WELSH SLATE WINS A GOLD TOP AT COBHAM DAIRY
Work has finally drawn to a close on a year-long project to re-clad with Welsh Slate a unique listed Georgian building that has now been re-purposed for the 21st Century.
Roofing
WELSH SLATE HELPS WITH A STEEP LEARNING CURVE
Welsh Slate was specified for the roof of an architect’s challenging but award-winning own self-build for a trio of reasons – its quality, durability and aesthetics.
Roofing
WELSH SLATE SCORES A DOUBLE AT A UNIQUE CHURCH IN EVERTON
One of two unique cast iron churches in Liverpool is enjoying a new lease of life after a second phase of reroofing has been completed with Penrhyn Heather Blue slates from Welsh Slate.
Roofing
WELSH SLATE HELPS ATTLEYS CATCH A CURVE BALL AT COAL DROPS YARD
Formerly a seedy area worth avoiding, London’s Kings Cross has now been transformed into a go-to destination for office workers, students and tourists.
Roofing
PATENT SLATE ROOFING HELPS BRING UNIQUE CHURCH BACK FROM THE BRINK
Work is due to start this month on the second phase of a unique patent slate roofing project which will safeguard a Grade 1-listed pioneering building currently on the Heritage at Risk register.