Quality Roofing Materials & Roofing Supplies

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Whatever your roofing needs, we can help you find the right product for your project, all in one place – making the buying easy

Roof Tiles & Slates

Roofgiant has roof tiles and slates for any project. From the popular Marley Eternit and Redland concrete, clay roof tiles and man-made slate, to independent slate supplies for your natural slate requirements. Not forgetting the all-important ridges, fittings and systems from a selection of top brands.

Pitched Roofing

We offer a vast range of pitched roof accessories by top brands Hambleside Danelaw, Marley Eternit, Redland, Samac, Ubbink and Garde. Roofgiant has everything covered; ventilation, shingles, GRP valleys and gutters, breather membranes, dry verge systems and all pitched roof accessories.

Flat Roofing

We can supply you with a range of flat roofing goods to ensure your job goes to plan. Our waterproofing brands include Acrypol, CMS, Roof Flex and Roof Trade, and we offer a broad spectrum of roof drains including PVC and Fibreglass. We offer roof felts by top brands Roof Flex and Shield Membranes, and flat roofing tools from discs to mastic guns. We’ve even got your CMS paving sorted.

Lead & Lead Alternative

When it comes to lead, we supply both 3m and 6m rolls using top brand BLM, our lead alternatives include Fast Flash from Hambleside Danelaw, Wakaflex from Redland and Ubiflex from Ubbink. With a huge range of lead tools and accessories to complete any job including adhesives, ladders and workwear. Our lead ancillaries include aluminium valleys and soakers, lead slate and Patination oil.


Whether you need corrugated sheeting or flat sheeting, we have all the fibre cement, fittings, fixings, ridges and polycarbonate sheeting you need. Stocking brands including Marley Eternit and Ventura, you can take your pick from the very best.


Roofgiant offers a small, quality selection of CMS and MAD Cowls chimney guards and cowls in a variety of sizes and materials to suit your chimney requirements and to keep the birds away.

Windows & Tunnels

When it comes to windows and tunnels, we believe in providing the very best. We stock a large supply of VELUX windows including VELUX balcony windows. We offer the full package to take you from start to finish, from VELUX accessories to VELUX flashing, VELUX blinds to VELUX sun tunnels, we stock them all, and when it comes to safety, we trust VELUX smoke ventilation.


Roofgiant has a variety of Samac fixings for any roofing job. Whether you need aluminium clout nails, caps and washers, galvanised ELH nails or masonry nails we have them all and much more.

News, Ideas & Expertise

Home improvement, product information, industry news, tips and expertise. View all news posts.

Have you seen Danelaw’s new product guide?

Have you seen Danelaw’s new product guide?

We’re delighted that Danelaw have released a new product guide for their roofing and...

Knauf rafter roll now available!

Knauf rafter roll now available!

We’re excited to announce we’ve added some more fantastic products to our range that...



We’re absolutely thrilled that our customers will now be able to order Actis products...

British Lead
Independent Slate Supplies
Knauf Insulation
Isover Saint-Gobain
Du Pont Tyvek