GNR Roofing Services
Roofing Materials At GNR.
Specified by NFRC-accredited installers and available to buy online — the exact products we trust on site.
GNR Roofing Services
Our Materials
Arguably, slates and lead prevail as the ultimate roofing materials. However, modern construction methods may vary their use.
This page outlines our pallete of carefully selected roofing materials which form the basis of our business practices.
At GNR, we believe in undertaking work using materials that we are familiar with, can install correctly, and in accordance with the relevant core industry standards.
To learn more about each product in detail and find out where to purchase, you can use the pages below this section. Each page provides a detailed overview of the products used by us everyday.
Shop at The Lead Lads Shop at The Reclaimed Company Client PageRoofing materials we specify & install
Explore our most-used materials with direct links to buy and in-depth guidance.
Rolled Lead Sheet (BS EN 12588)
Flashings, gutters, bays & fully supported coverings.
Leadwork services Buy rolled leadRoof Slates (BS 5534)
Welsh, Westmorland, Burlington & reclaimed stone slate.
Slate guidance Shop Welsh slateStandards we follow
Every specification and installation references current best practice:
- BS 5534 — Slating & tiling code of practice.
- BS 6915 — Fully supported lead sheet roof & wall coverings.
- BS EN 12588 — Rolled lead sheet quality & tolerances.
Further reading: BS 6915 notes • Roofing regulations hub.
Material comparison at a glance
| Material | Typical use | Lifespan* | Standards | Next step |
|---|---|---|---|---|
| Rolled lead sheet (Code 4–8) | Flashings, valleys, bays, gutters, full coverings | 60–100+ yrs | BS EN 12588 / BS 6915 | Install with GNR Buy lead |
| Welsh slate | Pitched roofs, heritage & premium domestic | 100+ yrs | BS 5534 | Slate guidance Buy Welsh slate |
| Breather membranes | Underlays for slates/tiles | Manufacturer-rated | BS 5534 (fixing) | Membrane spec Buy membranes |
*Indicative; installation quality, exposure and maintenance influence performance.
Available from GNR
GNR Roofing is a trusted roofing company known for providing high-quality services and materials to meet the diverse needs of residential, commercial, and heritage properties. With years of experience in the industry, GNR Roofing combines expert craftsmanship with top-grade materials to deliver durable, reliable, and aesthetically pleasing roofing solutions.
Roofing Services
GNR Roofing offers a wide range of roofing services, including:
- New Roof Installations: Whether for new builds or major renovations, GNR Roofing provides expert roof installation tailored to the specific needs of each property.
- Roof Repairs and Maintenance: From minor leaks to extensive damage, the team is skilled at diagnosing and fixing roofing issues, ensuring long-lasting protection for your home or business.
- Flat Roofing: GNR Roofing specializes in the installation and repair of flat roofs, using modern materials and techniques to ensure durability and effective water drainage.
- Lead Work: Offering professional lead roofing, flashing, and detailing services, GNR Roofing excels in providing traditional lead sheet work that enhances both functionality and aesthetic appeal.
- Chimney and Gutter Services: In addition to roofing, GNR Roofing provides chimney repairs, cleaning, and maintenance as well as gutter installation and cleaning, ensuring your entire roofing system is in top condition.
- Hard Metals: Including zinc, stainless steel, copper and more. Our services also extend to the formation of proper warm or vented substrates to facilitate the installation of all hard metal coverings.
Materials Offered
At GNR, we work with a variety of premium materials to deliver the best solutions for every project:
- Slate Roofing: Specialising in both natural and synthetic slate, GNR Roofing offers a timeless and durable roofing option, perfect for traditional and modern homes alike.
- Clay and Concrete Tiles: Ideal for pitched roofs, these materials are chosen for their longevity, weather resistance, and aesthetic versatility.
- Rolled Lead Sheet: As a long-lasting and adaptable roofing material, lead sheet is used for detailing, flashing, and covering complex roof features.
- Sarnafil Single ply membranes: For flat roofs, GNR Roofing uses high-quality synthetic membranes that offer long-term protection against leaks and weathering.
- Roof Insulation and Underlays: To improve energy efficiency and enhance roof longevity, GNR Roofing provides top-quality insulation materials and breathable underlayments.
At GNR, we remain committed to delivering exceptional service and using the best materials available to ensure every roofing project is completed to the highest standard. Whether you need a full roof replacement, maintenance, or repairs, GNR Roofing has the expertise and resources to meet your needs.
Our projectsSlating
New Welsh slates are a highly prized roofing material.
Rolled Lead Sheet
The perfect material for forming a range of interfaces.
Zinc
Standing seam zinc cladding and roofing.
Welsh slates have long been revered as one of the finest natural roofing materials in the world, and for good reason. Known for their durability, aesthetic appeal, and environmental benefits, these slates have earned a reputation for lasting centuries and withstanding the harshest of weather conditions.
Exceptional Durability
One of the most important reasons Welsh slates are highly prized is their remarkable durability. Welsh slate is a metamorphic rock formed millions of years ago, and its unique geological properties make it exceptionally strong and resistant to cracking, warping, or fading. Unlike other roofing materials, such as tiles or asphalt, Welsh slates can last for over 100 years, with many historical buildings still showcasing their original slate roofs. This long lifespan makes them a wise investment for both residential and heritage buildings.
Aesthetic Appeal
Welsh slates also have a distinctive, timeless beauty. Available in a variety of colors, including shades of blue, purple, grey, and green, they can add character and elegance to any building. Their natural texture and the way light interacts with their surface provide a visual appeal that other roofing materials simply cannot match. Whether used in traditional cottages or contemporary homes, Welsh slates complement a wide range of architectural styles, adding to their enduring popularity.
Environmental Benefits
With growing concerns over sustainability, Welsh slates stand out as an environmentally friendly choice. They are a natural product with minimal processing required, making them more eco-conscious than synthetic alternatives. Their long lifespan reduces the need for frequent replacements, and because they are fully recyclable, they have a much lower environmental footprint over time. Additionally, Welsh slate quarries often implement responsible extraction practices, which further enhance the material’s sustainability.
Weather Resistance
Welsh slates are particularly renowned for their ability to withstand extreme weather conditions. Whether it’s the constant rain and high winds of the Welsh mountains or the harsh winters in more temperate climates, Welsh slate roofs can resist the elements better than most materials. The natural cleavage of the slate allows it to shed water effectively, preventing leaks and maintaining the integrity of the roof for decades.
Heritage and Craftsmanship
Finally, Welsh slate carries a sense of heritage and craftsmanship that is rare in modern building materials. The quarries in Wales, especially in areas like Gwynedd, have been producing slate for over 2,000 years. The tradition of handcrafting and carefully selecting the best slates has been passed down through generations, ensuring a high level of skill and attention to detail in every tile.
In conclusion, Welsh slates are more than just a roofing material—they are a symbol of quality, tradition, and sustainability. Their durability, aesthetic appeal, and resilience to the elements make them a highly sought-after choice for anyone looking to invest in a roof that will stand the test of time.
Rolled Lead Sheet
Rolled lead sheet has been a trusted roofing material for centuries, prized for its durability, versatility, and aesthetic appeal. Made from high-quality lead, it offers several distinct advantages for both traditional and modern roofing projects.
Durability and Longevity
One of the key reasons rolled lead sheet is so highly valued is its exceptional durability. Lead is naturally resistant to corrosion and can withstand the harshest weather conditions, including rain, snow, and extreme temperatures. A properly installed lead roof can last well over 100 years, making it a long-term investment that requires minimal maintenance.
Malleability and Versatility
Lead is highly malleable, meaning it can be easily shaped and fitted around complex roof designs, chimneys, valleys, and other architectural features. This flexibility allows for a seamless, watertight finish, making it ideal for both new construction and restoration of historic buildings. The ability to work with lead in a variety of forms—whether flat, rolled, or cast—further enhances its versatility in roofing applications.
Aesthetic Appeal
Rolled lead sheet provides a distinctive, classic look that can enhance the beauty of any building. Over time, lead develops a natural patina, turning from a shiny grey to a soft, weathered blue-green color. This unique finish adds character and charm, especially to heritage buildings or areas seeking a more traditional aesthetic.
Environmental Considerations
Lead is a sustainable material due to its recyclability. It can be melted down and reused without losing its quality, making lead roofing an environmentally responsible option. Additionally, lead’s long lifespan reduces the need for frequent replacements, further minimizing its environmental impact over time.
Waterproofing and Protection
Lead is highly effective at creating a waterproof barrier, which is crucial for protecting a building from leaks and water damage. When installed correctly, lead sheet roofing provides excellent protection against the elements, ensuring the longevity and structural integrity of the building.
In conclusion, rolled lead sheet is a superior roofing material due to its strength, flexibility, long lifespan, and aesthetic charm. Whether for historical restoration or modern design, its enduring qualities make it an excellent choice for reliable and beautiful roofing solutions.
Welsh SlatesGNR Roofing Services
Sourcing Materials
Using a select group of specialist and industry leading suppliers, we offer a range of high quality roofing materials.
At GNR, we hold accounts with some of the leading suppliers of slates, tiles, lead and hard metals and more.
Further, our range of complimentary products are available from key suppliers such as industry leading merchants and small independent retailers as needed based upon each of our projects in context.
If you are looking for roofing supplies, you can arrange national delivery from our supplier.
Roofing Materials – FAQs
Most domestic bays use Code 5 or Code 6 depending on size and exposure. Always install to BS 6915 with correct bay lengths, welts/rolls and fixings.
Buy Code 5/6 leadYes. Modern slate installations must comply with BS 5534 for battening, fixings and underlay. We specify to standard on every slate project.
Slate guidanceRolled lead is manufactured to BS EN 12588 for consistent thickness and predictable performance; sandcast is heritage-led and specified case-by-case.
Leadwork services
Geoff Neal (Roofing) Limited, Sutton Road, Wigginton, York, YO32 2RB
North Yorkshire, United Kingdom
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