Roofing Sand
and Gravel

Grantex’s range of roofing sand, gravel, pebbles and limestone provides essential functional solutions for flat roof systems and green roofs. Our washed gravels and pebbles are used as protective ballast, drainage borders and firebreaks, white limestone for heat reflection and specialist sands for waterproofing membrane systems. Discover our range to find the right specification for your roofing project.

Roofing Sand
and Gravel

Grantex’s range of roofing sand, gravel, pebbles and limestone provides essential functional solutions for flat roof systems and green roofs. Our washed gravels and pebbles are used as protective ballast, drainage borders and firebreaks, white limestone for heat reflection and specialist sands for waterproofing membrane systems. Discover our range to find the right specification for your roofing project.

Explore Our Roofing Sand
and Gravel

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Why Choose Roofing Sand
and Gravel?

Grantex’s range of specialist dried aggregates provides functional solutions for flat roof and green roof systems.

Our roofing aggregates are carefully graded and prepared to meet the specific performance requirements of different roofing applications:

  • Washed gravels and pebbles – Used as protective ballast, drainage borders to prevent clogging and as firebreaks on green roofs
  • White limestone – Reflects solar radiation to reduce heat absorption and lower roof temperatures
  • Roofing sands – Specified for use in waterproofing membrane systems

Each product is processed to ensure precision grading for effective water flow and system performance. Our materials are suitable for both domestic and commercial flat roof installations.

Our materials help to create
roofs that are:
  • Durable and long-lasting
  • Protected against weathering
  • Well-draining
  • Visually stunning

Can’t Find What You’re Looking For?

If you’re looking for a certain product, get in touch with the Grantex team who will be happy to assist.

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Frequently Asked Questions

How do you ensure the quality of your roofing aggregates?
What size and type of dried aggregate is best for a flat roof?
How sustainable are Grantex’s roofing sands and gravels?