Independent Slate Supplies

We are specialists in the import and distribution of high quality, competitively priced natural roofing, flooring and sills.

Quality and Experience

Independent Slate Supplies are specialists in the import and distribution of high quality, competitively priced natural sills, flooring and roofing slate.

With over 30 years experience of sourcing and importing you can be confident that our range of slate offers outstanding quality at competitive prices, to cover all requirements.

Meet The Team

Free take-off service

We offer a complimentary take-off service from architectural plans. Turnaround is typically 2–5 working days.

“He who quotes quicker, wins more work!”

This quick FREE service ensures accurate quoting and includes ancillary products. Available for merchants, architects, building & roofing contractors, developers, planners and self-builders.

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Outstanding Slate Products

Independent Slate Supplies offers the largest slate product portfolio of any company in the UK, enabling us to provide a solution for virtually any enquiry – no matter the size, style or specification.

Our extensive range goes beyond roofing, including high-quality slate flooring, paving and sills – ideal for those looking to supply complementary natural stone products alongside their core offering.

At Independent Slate Supplies, we also deliver excellent slate-and-a-half ratios on selected products. Thanks to our strong partnerships with specialist quarries, we’re able to support more complex and demanding projects with ease, ensuring flexibility without compromising on quality.

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Brazilian roofing slate

Spanish roofing slate

British roofing slate

Carbon Conscious roofing slate

Merchant Support That Goes The Extra Mile

Independent Slate Supplies Ltd (ISS) is more than a supplier – we’re a partner to merchants, providing outstanding support, exclusive products, and flexible service that keeps your business moving.

We do not sell direct to end users. You always remain in control of the customer relationship. We can support you behind the scenes or alongside you on site – whatever works best.

Customer site visits

Need support with a contractor or homeowner? We’re happy to attend site visits with or on behalf of your team.

Branch visits and staff training

We offer in-person visits to your branches and tailored training sessions to ensure your team understands the products, their benefits, and how to recommend them confidently.

Support for trade days and events

We’ll help make your trade days a success – including financial support for refreshments and hands-on presence to speak with contractors.

Free samples

Need samples to help a customer decide? Just ask – we’ll provide them at no charge, and can even post them direct.

Technical support

Our team has deep technical knowledge and can assist your staff or customers with any product queries.

Flexible split loads

Want to benefit from full load pricing but struggling with space and cashflow? We’ll support you with split full load deliveries.

Sale or return possibility

For new merchants or those trialling new product lines, we may be able to offer sale or return terms to reduce your risk and grow confidence in new products.

Credit Accounts Available

We offer credit facilities to approved merchants, streamlining account management and improving cash flow.

Find Out More About Our CARBON CONSCIOUS Roofing Slate

Find out more

Nationwide Delivery To Suit You

Next day delivery – In-stock products ordered before 10am are eligible for next working day delivery, subject to availability and delivery location.

Direct to site – We offer nationwide delivery, including direct-to-site drop-offs where suitable (some restrictions apply).

Free delivery over £500 – Orders over £500 (net) qualify for free delivery, helping you protect margin.

Our Range

Spanish

A wide selection of top-grade Spanish slate options, curated to suit different budgets and project types.

British

We are one of the UK’s leading suppliers of British slate, holding excellent stock levels to meet demand.

Brazilian

We offer a full range of sizes and thicknesses in Brazilian slate, with consistent quality, colour, and the largest stock availability in the UK.

Carbon Conscious

Sustainability is a core value at ISS, and our latest carbon conscious range is a testament to this commitment.