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.
Download this Roofing Brochure for a Comprehensive Guide to the Technical Requirements and Standards
Download Brochure
Latest News and Case Studies
Roofing
WELSH SLATE'S FFESTINIOG ROOFING SLATE FEATURES AT RHS CHELSEA FLOWER SHOW
Blue Grey roofing slates from Welsh Slate’s newly re-opened Ffestiniog quarry feature alongside decorative aggregates and Breedon Golden Amber self-binding gravel from Breedon Special Aggregates on the RBC Brewin Dolphin Garden designed by acclaimed garde
Roofing
WELSH SLATES HELP A NATIONAL MUSEUM WITH A NEW TOP HAT
Almost 150 years after work first started on its purpose-built home, the Netherland’s national museum is enjoying a new lease of life with Ffestiniog Blue Grey roofing slate
Roofing
FROM FOGS TO FAME, WITH WELSH SLATE
Some 30,000 Ffestiniog Blue Grey slates were used by T&P Lead Roofing for the reroof of the roof of the Central range, while Penrhyn Heather Blue slates were used by Mundy Roofing on the eastern and western ranges.
Roofing
WELSH SLATE HELPS HISTORIC COUNTRY MANSION WITH A NEW LEASE OF LIFE
Cwt-y-Bugail Dark Blue Grey roofing slates from the leading UK manufacturer have been used over 1,000m2 of roof at Bank Hall in Bretherton, Lancashire, which has been converted into luxury residential accommodation and exhibition spaces.
Roofing
WELSH SLATE TOPS ANTRIM ALMSHOUSES
Welsh Slate’s Penrhyn Heather Blue slates feature on the front elevations of 31 almshouses in Carrickfergus, Co Antrim, Northern Ireland,
Roofing
WELSH SLATE TOPS AN ICONIC GATEWAY TO EUROPE
Welsh Slate’s Blue Grey Ffestiniog roofing slates have helped to transform St Pancras International from near demolition to an iconic gateway to Europe.
Roofing
WELSH SLATE TOPS A WORLD FIRST . . . AND MORE
The world’s first iron-framed building, the forerunner of the modern skyscraper, will enjoy a new lease of life in the capital of England’s largest inland county, thanks to Historic England and Welsh Slate.
Roofing
ST MARTIN’S GOES BACK TO THE FUTURE WITH WELSH SLATE
Welsh Slate has supplied roofing slates from both its Penrhyn and Ffestiniog quarries to provide a like-for-like replacement for an old 19th century roof at London’s famous St Martin-in-the-Fields church complex
Roofing
WELSH SLATE TOPS AN HONOURABLE RESTORATION AT LINCOLN'S INN
Penrhyn Heather Blue slates from Welsh Slate feature on Lincoln’s Inn’s Great Hall, one of London’s most unique buildings
Roofing
WELSH SLATE TOPS A SUSTAINABILITY EXEMPLAR
Roofing slates from Welsh Slate feature on the Duchy of Cornwall’s Nansledan development.
Roofing
WELSH SLATE HELPS DOVER MANSION BLOCK FROM ITS WATERLOO
An unusual double-mansard roof on a Grade II listed seafront mansion block is enjoying a new lease of life, thanks to Welsh Slate.
Roofing
WELSH SLATE HEADS UP SARAH BEENY'S NEW HOME
Roofing slates by Welsh Slate were the material of choice for TV property expert Sarah Beeny’s own home.