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Roofing & Exterior

Roofing & Exterior Building Products are essential for protecting, finishing and improving the appearance of residential and commercial properties. Our extensive range includes roofing materials, roofline systems, guttering, drainage, exterior cladding, fascias, soffits, trims and weatherproof accessories designed for long-lasting outdoor performance.

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Whether you are carrying out a full roof replacement, upgrading exterior finishes or completing a new build project, our roofing and exterior building products provide reliable, low-maintenance solutions suitable for both trade professionals and DIY customers. The range includes durable products manufactured to withstand harsh UK weather conditions while maintaining a clean, professional finish. :contentReference[oaicite:0]{index=0}

Our roofline systems include fascia boards, soffits and guttering designed to protect roof structures from water ingress while improving ventilation and drainage performance. Modern uPVC roofline products are widely used as a low-maintenance alternative to traditional timber because they resist rotting, warping and ongoing repainting requirements. :contentReference[oaicite:1]{index=1}

The category also includes exterior cladding systems available in a range of colours, profiles and contemporary finishes. Exterior cladding provides additional weather protection while improving the appearance and thermal performance of buildings. Many modern cladding materials are designed to replicate the appearance of timber while offering improved durability and reduced maintenance. :contentReference[oaicite:2]{index=2}

For flat and pitched roofing applications, our range includes roofing sheets, EPDM rubber roofing materials, dry verge systems, flashing products, ventilation components and roofing accessories suitable for domestic and commercial installations. Roofing systems play a critical role in waterproofing, structural protection and rainwater management for buildings exposed to varying environmental conditions. :contentReference[oaicite:3]{index=3}

We also supply guttering and drainage systems designed to efficiently manage rainwater and help protect buildings from water damage. Available in multiple profiles, colours and capacities, modern guttering systems combine functionality with attractive exterior finishes suitable for contemporary and traditional properties alike. :contentReference[oaicite:4]{index=4}

Suitable for home improvements, extensions, garages, garden buildings, commercial developments and renovation projects, our Roofing & Exterior Building Products range provides dependable, professional-quality materials designed for durability, weather resistance and long-term performance.

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Showing 1 - 48 of 137 products
Showing 1 - 48 of 137 products

Durable 3.6m anthracite grey composite decking boards with a sleek, low-maintenance finish, ideal for modern outdoor spaces.

Durable 3.6m anthracite grey composite decking boards with a sleek, low-maintenance finish, ideal for modern outdoor spaces.

Durable 4.8m anthracite grey composite decking boards with a sleek, low-maintenance finish, ideal for modern outdoor spaces.

Durable 4.8m anthracite grey composite decking boards with a sleek, low-maintenance finish, ideal for modern outdoor spaces.

Durable anthracite composite end board (3.6m) for a clean, low-maintenance decking finish.

Durable anthracite composite end board (3.6m) for a clean, low-maintenance decking finish.

Durable 3.6m Ash White composite decking boards with a sleek, low-maintenance finish, ideal for modern outdoor spaces.

Durable 3.6m Ash White composite decking boards with a sleek, low-maintenance finish, ideal for modern outdoor spaces.

2.5m antique composite slatted cladding board (219x26mm) for a durable, low-maintenance and modern wall finish.

2.5m antique composite slatted cladding board (219x26mm) for a durable, low-maintenance and modern wall finish.

2.5m Cedar composite slatted cladding board (219x26mm) for a durable, low-maintenance and modern wall finish.

2.5m Cedar composite slatted cladding board (219x26mm) for a durable, low-maintenance and modern wall finish.

2.5m Charcoal composite slatted cladding board (219x26mm) for a durable, low-maintenance and modern wall finish.

2.5m Charcoal composite slatted cladding board (219x26mm) for a durable, low-maintenance and modern wall finish.

2.5m Dark Grey composite slatted cladding board (219x26mm) for a durable, low-maintenance and modern wall finish.

2.5m Dark Grey composite slatted cladding board (219x26mm) for a durable, low-maintenance and modern wall finish.

2.5m Walnut composite slatted cladding board (219x26mm) for a durable, low-maintenance and modern wall finish.

2.5m Walnut composite slatted cladding board (219x26mm) for a durable, low-maintenance and modern wall finish.

2.5m antique composite external trim for clean, durable edging and finishing of slatted cladding systems.

2.5m antique composite external trim for clean, durable edging and finishing of slatted cladding systems.

2.5m antique composite external trim for clean, durable edging and finishing of slatted cladding systems.

2.5m antique composite external trim for clean, durable edging and finishing of slatted cladding systems.

2.5m Charcoal composite external trim for clean, durable edging and finishing of slatted cladding systems.

2.5m Charcoal composite external trim for clean, durable edging and finishing of slatted cladding systems.

2.5m Dark Grey composite external trim for clean, durable edging and finishing of slatted cladding systems.

2.5m Dark Grey composite external trim for clean, durable edging and finishing of slatted cladding systems.

2.5m Walnut composite external trim for clean, durable edging and finishing of slatted cladding systems.

2.5m Walnut composite external trim for clean, durable edging and finishing of slatted cladding systems.

2.5m antique composite internal trim for clean, low-maintenance finishing of slatted cladding edges and joints.

2.5m antique composite internal trim for clean, low-maintenance finishing of slatted cladding edges and joints.

2.5m Cedar composite internal trim for clean, low-maintenance finishing of slatted cladding edges and joints.

2.5m Cedar composite internal trim for clean, low-maintenance finishing of slatted cladding edges and joints.

2.5m Charcoal composite internal trim for clean, low-maintenance finishing of slatted cladding edges and joints.

2.5m Charcoal composite internal trim for clean, low-maintenance finishing of slatted cladding edges and joints.

2.5m Dark Grey  composite internal trim for clean, low-maintenance finishing of slatted cladding edges and joints.

2.5m Dark Grey  composite internal trim for clean, low-maintenance finishing of slatted cladding edges and joints.

2.5m Walnut composite internal trim for clean, low-maintenance finishing of slatted cladding edges and joints.

2.5m Walnut composite internal trim for clean, low-maintenance finishing of slatted cladding edges and joints.

3.6m antique composite corner L trim (55x55mm) for durable, low-maintenance cladding corner finishing.

3.6m antique composite corner L trim (55x55mm) for durable, low-maintenance cladding corner finishing.

3.6m Cedar composite corner L trim (55x55mm) for durable, low-maintenance cladding corner finishing.

3.6m Cedar composite corner L trim (55x55mm) for durable, low-maintenance cladding corner finishing.

3.6m Charcoal composite corner L trim (55x55mm) for durable, low-maintenance cladding corner finishing.

3.6m Charcoal composite corner L trim (55x55mm) for durable, low-maintenance cladding corner finishing.

3.6m Walnut composite corner L trim (55x55mm) for durable, low-maintenance cladding corner finishing.

3.6m Walnut composite corner L trim (55x55mm) for durable, low-maintenance cladding corner finishing.

3.6m Dark Grey composite corner L trim (55x55mm) for durable, low-maintenance cladding corner finishing.

3.6m Dark Grey composite corner L trim (55x55mm) for durable, low-maintenance cladding corner finishing.

3.6m anthracite composite cladding board (145x21mm) with a traditional 3C profile for durable, low-maintenance exterior walls.

3.6m anthracite composite cladding board (145x21mm) with a traditional 3C profile for durable, low-maintenance exterior walls.

3.6m Ash White composite cladding board (145x21mm) with a traditional 3C profile for durable, low-maintenance exterior walls.

3.6m Ash White composite cladding board (145x21mm) with a traditional 3C profile for durable, low-maintenance exterior walls.

3.6m Slate Grey composite cladding board (145x21mm) with a traditional 3C profile for durable, low-maintenance exterior walls.

3.6m Slate Grey composite cladding board (145x21mm) with a traditional 3C profile for durable, low-maintenance exterior walls.

3.6m Teak composite cladding board (145x21mm) with a traditional 3C profile for durable, low-maintenance exterior walls.

3.6m Teak composite cladding board (145x21mm) with a traditional 3C profile for durable, low-maintenance exterior walls.

3.6m anthracite grey composite L trim (50x50mm) for clean, durable cladding edge and corner finishing.

3.6m anthracite grey composite L trim (50x50mm) for clean, durable cladding edge and corner finishing.

3.6m Ash White composite L trim (50x50mm) for clean, durable cladding edge and corner finishing.

3.6m Ash White composite L trim (50x50mm) for clean, durable cladding edge and corner finishing.

3.6m Slate Grey composite L trim (50x50mm) for clean, durable cladding edge and corner finishing.

3.6m Slate Grey composite L trim (50x50mm) for clean, durable cladding edge and corner finishing.

3.6m Teak composite L trim (50x50mm) for clean, durable cladding edge and corner finishing.

3.6m Teak composite L trim (50x50mm) for clean, durable cladding edge and corner finishing.

Durable 3.6m Brown composite decking boards with a sleek, low-maintenance finish, ideal for modern outdoor spaces.

Durable 3.6m Brown composite decking boards with a sleek, low-maintenance finish, ideal for modern outdoor spaces.

Durable Brown composite end board (3.6m) for a clean, low-maintenance decking finish.

Durable Brown composite end board (3.6m) for a clean, low-maintenance decking finish.

Durable 3.6m Oak composite decking boards with a sleek, low-maintenance finish, ideal for modern outdoor spaces.

Durable 3.6m Oak composite decking boards with a sleek, low-maintenance finish, ideal for modern outdoor spaces.

Durable 4.8m Oak composite decking boards with a sleek, low-maintenance finish, ideal for modern outdoor spaces.

Durable 4.8m Oak composite decking boards with a sleek, low-maintenance finish, ideal for modern outdoor spaces.

Durable Oak composite end board (3.6m) for a clean, low-maintenance decking finish.

Durable Oak composite end board (3.6m) for a clean, low-maintenance decking finish.

Durable 4.8m Slate Grey  composite decking boards with a sleek, low-maintenance finish, ideal for modern outdoor spaces.

Durable 4.8m Slate Grey  composite decking boards with a sleek, low-maintenance finish, ideal for modern outdoor spaces.

Durable Slate Grey composite end board (3.6m) for a clean, low-maintenance decking finish.

Durable Slate Grey composite end board (3.6m) for a clean, low-maintenance decking finish.

Durable Triton dual-sided hollow composite decking with reversible woodgrain and grooved finish, offering a low-maintenance, weather-resistant solution for modern outdoor spaces.

Durable Triton dual-sided hollow composite decking with reversible woodgrain and grooved finish, offering a low-maintenance, weather-resistant solution for modern outdoor spaces.

Durable Triton dual-sided hollow composite decking with reversible woodgrain and grooved finish, offering a low-maintenance, weather-resistant solution for modern outdoor spaces.

Durable Triton dual-sided hollow composite decking with reversible woodgrain and grooved finish, offering a low-maintenance, weather-resistant solution for modern outdoor spaces.

Durable Triton dual-sided hollow composite decking with reversible woodgrain and grooved finish, offering a low-maintenance, weather-resistant solution for modern outdoor spaces.

Durable Triton dual-sided hollow composite decking with reversible woodgrain and grooved finish, offering a low-maintenance, weather-resistant solution for modern outdoor spaces.

Durable Triton dual-sided hollow composite decking with reversible woodgrain and grooved finish, offering a low-maintenance, weather-resistant solution for modern outdoor spaces.

Durable Triton dual-sided hollow composite decking with reversible woodgrain and grooved finish, offering a low-maintenance, weather-resistant solution for modern outdoor spaces.

Durable Triton dual-sided hollow composite decking with reversible woodgrain and grooved finish, offering a low-maintenance, weather-resistant solution for modern outdoor spaces.

Durable Triton dual-sided hollow composite decking with reversible woodgrain and grooved finish, offering a low-maintenance, weather-resistant solution for modern outdoor spaces.

Durable 3.6m composite joist (50x30mm) for strong, low-maintenance decking subframes.

Durable 3.6m composite joist (50x30mm) for strong, low-maintenance decking subframes.

Anthracite composite L trim (3.6m) for neat, durable edging and corner finishing on decking and cladding.

Anthracite composite L trim (3.6m) for neat, durable edging and corner finishing on decking and cladding.

Composite L trim in an antique finish, ideal for covering decking edges and corners with a clean, durable, and low-maintenance solution.

Composite L trim in an antique finish, ideal for covering decking edges and corners with a clean, durable, and low-maintenance solution.

Composite L trim in an Charcoal finish, ideal for covering decking edges and corners with a clean, durable, and low-maintenance solution.

Composite L trim in an Charcoal finish, ideal for covering decking edges and corners with a clean, durable, and low-maintenance solution.

Checkout the Latest deals

Fortex 333mm Double Shiplap 5m | Anthracite Grey is an external cladding product for external cladding projects. 333mm, 5m; Anthracite Grey finish. Product code: FFFCD333EAG.

Fortex 333mm Double Shiplap 5m | Argyl Brown is an external cladding product for external cladding projects. 333mm, 5m; Brown finish. Product code: FFFCD333EAB.

Fortex 333mm Double Shiplap 5m | Cappuccino is an external cladding product for external cladding projects. 333mm, 5m; Cappuccino finish. Product code: FFFCD333ECAP.

Fortex 333mm Double Shiplap 5m | Colonial Blue is an external cladding product for external cladding projects. 333mm, 5m; Blue finish. Product code: FFFCD333ECLB.

Fortex 333mm Double Shiplap 5m | Misty Grey is an external cladding product for external cladding projects. 333mm, 5m; Grey finish. Product code: FFFCD333EMG.

Fortex 333mm Double Shiplap 5m | Pale Gold is an external cladding product for external cladding projects. 333mm, 5m. Product code: FFFCD333EPG.

Fortex 333mm Double Shiplap 5m | Sage Green is an external cladding product for external cladding projects. 333mm, 5m; Green finish. Product code: FFFCD333ESAGN.

Fortex 333mm Double Shiplap 5m | Sand is an external cladding product for external cladding projects. 333mm, 5m. Product code: FFFCD333ESAND.

Fortex 333mm Double Shiplap 5m | Slate Grey is an external cladding product for external cladding projects. 333mm, 5m; Slate Grey finish. Product code: FFFCD333ESLG.

Fortex 333mm Double Shiplap 5m | Storm Grey is an external cladding product for external cladding projects. 333mm, 5m; Storm Grey finish. Product code: FFFCD333ESG.

Fortex 333mm Double Shiplap 5m | White is an external cladding product for external cladding projects. 333mm, 5m; White finish. Product code: FFFCD333EW.

Cedar-effect composite fence kit with aluminium post for a durable, low-maintenance and modern garden boundary.

Charcoal -effect composite fence kit with aluminium post for a durable, low-maintenance and modern garden boundary.

Anthracite composite fence kit with aluminium post for a durable, low-maintenance and modern garden boundary.

Anthracite composite fence kit with composite post for a durable, low-maintenance and modern garden boundary.

Ash White composite fence kit with aluminium post for a durable, low-maintenance and modern garden boundary.

Ash White composite fence kit with composite post for a durable, low-maintenance and modern garden boundary.

Brown composite fence kit with aluminium post for a durable, low-maintenance and modern garden boundary.

Brown  composite fence kit with composite post for a durable, low-maintenance and modern garden boundary.

Slate Grey composite fence kit with aluminium post for a durable, low-maintenance and modern garden boundary.

Slate Grey composite fence kit with composite post for a durable, low-maintenance and modern garden boundary.

Modern slatted Charcoal composite fence system with aluminium post, offering durable, low-maintenance and contemporary garden fencing.

Heavy-duty orange grip nitrile gloves with superior strength and comfort. Sizes S–XL.

*** Introductory Offer ***

Heavy-duty orange grip nitrile gloves with superior strength and comfort. Sizes S–XL.

*** Introductory Offer ***

Ultragrime Pro XXL | Multiuse Clothwipes Pack 100 is a fixing and accessory for fixing and installation projects. Product code: UNIWIPEBLUE.

  • Excellent Prices & Fast Delivery

    Excellent service from start to finish. Ordered fascia boards online and they arrived quickly and very well packaged. Prices were much better than local suppliers and the staff were really helpful when I called with a question. Will definitely use Building Plastics again

    James Morgan / 23rd June 2025

  • Great Service for Trade & DIY

    Fantastic company to deal with. Easy website to use, great communication throughout and delivery arrived exactly when promised. The quality of the cladding products was spot on. Highly recommend to both trade and DIY customers

    Sarah Williams / 16 November 2025

  • Reliable Supplier With Great Stock

    Opened a trade account recently and have been very impressed with the prices and service. Staff are knowledgeable and always happy to help. Fast delivery across South Wales and products are always in stock when I need them

    Daniel Hughes / 12 January 2026

  • Perfect EPDM Roofing Order

    Ordered EPDM roofing materials online and everything arrived the next day. Packaging was excellent and the products were exactly as described. Great customer support and very competitive prices compared to other suppliers.

    Rebecca Evans / 13 January 2026

  • Smooth Ordering From Start To Finish

    Brilliant experience using Building Plastics Wales Ltd. Ordered underground drainage supplies and the whole process was smooth from ordering to delivery. Friendly staff, great prices and excellent communication throughout

    Mark Thompson / 19 April 2026