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Home Roofing Accessories Aggregates

Aggregates & Coping Stones

Complete your flat roofing project with our comprehensive range of roofing aggregates, coping stones and promenade tiles. We supply granite chippings, roof grade pebbles, building sands, Euromix bedding mortar, alongside concrete and porcelain coping stones, pier caps, and a wide selection of Castle Composites, EPDM and rubber promenade tiles. Ideal for flat roofs, roof terraces, balconies and walkways, our range provides durable, attractive finishing solutions for both domestic and commercial roofing projects.

Aggregates & Coping Stones

Roofing Aggregates, Coping Stones & Flat Roof Promenade Tiles, Concrete, Porcelain, Rubber & EPDM.

Complete your flat roofing project with our extensive range of roofing aggregates, coping stones, promenade tiles and roof terrace finishes. Whether you're constructing a new flat roof, refurbishing an existing roof terrace or creating a safe rooftop walkway, we supply high-quality products suitable for both domestic and commercial applications.

Our range of roofing aggregates includes granite chippings, roof grade pebbles, soft building sand, sharp sand and Euromix roof tile bedding mortar, providing everything required for ballast, drainage, bedding and finishing roofing installations.

We also stock an extensive selection of concrete and porcelain coping stones, including once weathered coping stones, twice weathered coping stones, pier caps, porcelain coping stones and matching porcelain pier caps. Available in a variety of sizes, colours and finishes, these products provide a durable, attractive finish for parapet walls, boundary walls and roof perimeters. We also supply compatible adhesives, jointing products and fixing accessories for a complete installation.

For roof terraces, balconies and podium decks, we offer one of the UK's leading selections of Castle Composites promenade tiles, including the popular Checkerplate, Riven, Striated and Diamond finishes. Manufactured from recycled rubber, these high-performance tiles provide excellent slip resistance, durability and impact absorption, making them ideal for rooftop walkways, communal areas, balconies and commercial roof spaces.

Our range also includes EPDM and rubber promenade tiles, designed to create safe, comfortable walking surfaces while helping to protect the waterproofing membrane beneath. Suitable for both new build and refurbishment projects, these tiles are easy to install and available in a range of thicknesses and colours to suit different applications.

Whether you're looking for decorative roof finishes, protective roof walkways, coping stones or roofing aggregates, you'll find everything required to complete your project in one place.

Our Range Includes

  • Roofing granite chippings.
  • Roof grade pebbles.
  • Soft building sand.
  • Sharp building sand.
  • Euromix roof tile bedding mortar.
  • Concrete once weathered coping stones.
  • Concrete twice weathered coping stones.
  • Concrete pier caps.
  • Porcelain coping stones.
  • Porcelain pier caps.
  • Coping stone adhesives and fixing accessories.
  • Castle Composites Checkerplate promenade tiles.
  • Castle Composites Riven promenade tiles.
  • Castle Composites Striated promenade tiles.
  • Castle Composites Diamond promenade tiles.
  • EPDM promenade tiles.
  • Rubber promenade tiles.
  • Flat roof walkway systems.
  • Roof terrace flooring.
  • Balcony flooring systems.
  • Decorative rooftop finishes.

Suitable Applications

  • Flat roofs.
  • Roof terraces.
  • Balconies.
  • Podium decks.
  • Rooftop gardens.
  • Walkways.
  • Access routes.
  • Commercial roofing.
  • Domestic roofing.
  • Schools and public buildings.
  • Apartment developments.
  • Boundary walls.
  • Parapet walls.

Supplying quality products from leading manufacturers, our roofing aggregates, coping stones and promenade tile systems provide the perfect combination of durability, performance and appearance for every flat roofing project. Whether you're a professional roofing contractor, builder, landscaper or DIY customer, you'll find reliable products, competitive prices and nationwide UK delivery across our complete range.

Aggregates & Coping Stones FAQ's

FAQ's

Frequently Asked Questions

What are roofing aggregates used for?

Roofing aggregates are commonly used on flat roofs for ballast, drainage and decorative finishes. Products such as granite chippings and roof grade pebbles help protect waterproof membranes from UV exposure, improve drainage and can help secure loose-laid roofing systems.

What is the difference between soft sand and sharp sand?

Soft building sand is typically used for bricklaying and general mortar mixes, while sharp sand has a coarser texture and is commonly used for screeds, bedding applications and improving drainage.

What are coping stones used for?

Coping stones are installed on top of parapet and boundary walls to protect the wall from water penetration while providing an attractive finished appearance. They help direct rainwater away from the wall face, reducing staining and weather damage.

What is the difference between once weathered and twice weathered coping stones?

Once weathered coping stones have a single slope that sheds water in one direction, making them suitable where water needs to drain to one side. Twice weathered coping stones feature a central ridge with falls to both sides, allowing rainwater to drain evenly from each side of the wall.

What are pier caps used for?

Pier caps are designed to sit on top of brick or stone pillars to protect them from water ingress while creating a decorative finish. They are commonly used on gate posts, entrance pillars and garden walls.

What are promenade tiles?

Promenade tiles are protective walking surfaces installed on flat roofs, balconies and roof terraces. They help protect the waterproofing membrane from foot traffic while creating a safe, durable and attractive finished surface.

What are Castle Composites promenade tiles made from?

Castle Composites promenade tiles are manufactured from high-quality recycled rubber granulate. They provide excellent durability, slip resistance, impact absorption and drainage, making them ideal for both residential and commercial roof areas.

Can promenade tiles be installed without adhesive?

Many interlocking rubber promenade tiles can be installed as a floating system using connecting pins. In most installations, adhesive is only required around the perimeter where there is no edge restraint. Always follow the manufacturer's installation guidelines.

Are promenade tiles suitable for roof terraces and balconies?

Yes. Rubber and EPDM promenade tiles are ideal for roof terraces, balconies, podium decks, walkways and rooftop gardens, providing a comfortable, slip-resistant surface while protecting the roof waterproofing beneath.

Do promenade tiles allow rainwater to drain away?

Yes. Most rubber promenade tiles feature drainage channels on the underside, allowing rainwater to flow beneath the tiles and preventing standing water on the surface.

Are rubber promenade tiles environmentally friendly?

Many rubber promenade tiles are manufactured using recycled rubber, making them a sustainable flooring solution while delivering excellent long-term durability and performance.

Do you supply adhesives and accessories?

Yes. We supply a range of compatible adhesives, fixing products and installation accessories for coping stones, porcelain coping systems and selected promenade tile installations.

Do you offer UK delivery?

Yes. We offer nationwide delivery across the UK on our range of roofing aggregates, coping stones, promenade tiles and roofing accessories. Delivery options and lead times are shown on individual product pages.

Can you help me choose the correct products?

Absolutely. Whether you're selecting coping stones, roofing aggregates or promenade tiles, our experienced team can help you choose the most suitable products for your roofing or landscaping project.