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Fixings & Sealants

Fixings, Sealants & Adhesives are essential for secure, weatherproof and professional building installations. Our range includes silicone sealants, expanding foams, grab adhesives, screws, tapes, cleaners and specialist fixing products suitable for roofing, cladding, windows, doors, fascia installations and general construction work.

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Whether you are completing a professional trade installation or a DIY home improvement project, using the correct fixings and sealants is essential for durability, weather resistance and long-term performance. Our collection includes high-quality products designed for sealing gaps, bonding materials, waterproofing joints and securely fixing building components in both internal and external environments.

The range includes silicone sealants, sanitary sealants, roof and gutter sealants, expanding foams, hybrid polymer adhesives, PVCu cleaners, masking tapes and specialist installation accessories suitable for uPVC systems, roofing products and exterior building materials. Similar construction-grade sealants and expanding foams are widely used across the building industry for sealing, insulation and weatherproofing applications. :contentReference[oaicite:0]{index=0}

Expanding foam products are commonly used for filling gaps, improving insulation and reducing draughts around windows, doors and structural openings. Modern polyurethane expanding foams are designed for strong adhesion, thermal insulation and efficient gap filling across a variety of construction applications. :contentReference[oaicite:1]{index=1}

Silicone and hybrid sealants are widely used in construction because they provide flexibility, waterproofing and long-lasting protection against moisture penetration. Sealants help prevent air, water and dust ingress while accommodating movement between building materials. :contentReference[oaicite:2]{index=2}

Our fixings and accessories range also includes screws, clips, tapes and specialist installation products designed to support secure fitting and professional finishing across cladding, roofing, fascia, soffit, guttering and window installation projects. Many products are suitable for use in both residential and commercial construction environments.

Designed for reliability, durability and ease of use, our Fixings, Sealants & Adhesives category provides everything needed to complete high-quality installations with confidence.

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Showing 1 - 48 of 156 products
Showing 1 - 48 of 156 products

Soudal Repair Express Cement Beige 290ml Cartridge is a roofing and external product for roofing, ventilation and weatherproofing work. Product code: SOREPAIRCEMBE.

Soudal Repair Express Cement Beige 290ml Cartridge is a roofing and external product for roofing, ventilation and weatherproofing work. Product code: SOREPAIRCEMBE.

Soudal Repair Express Cement Grey 290ml Cartridge is a roofing and external product for roofing, ventilation and weatherproofing work. Grey finish. Product code: SOREPAIRCEMGR.

Soudal Repair Express Cement Grey 290ml Cartridge is a roofing and external product for roofing, ventilation and weatherproofing work. Grey finish. Product code: SOREPAIRCEMGR.

Soudal Repair Express Plaster 290ml Cartridge is a roofing and external product for roofing, ventilation and weatherproofing work. Product code: SOREPAIRPLAST.

Soudal Repair Express Plaster 290ml Cartridge is a roofing and external product for roofing, ventilation and weatherproofing work. Product code: SOREPAIRPLAST.

Soudal PVCu Gap Filler 300ml Cartridge is a roofing and external product for roofing, ventilation and weatherproofing work. Product code: SOPVCGAPFILL.

Soudal PVCu Gap Filler 300ml Cartridge is a roofing and external product for roofing, ventilation and weatherproofing work. Product code: SOPVCGAPFILL.

Soudal Decorators Caulk White 300ml Cartridge is a roofing and external product for roofing, ventilation and weatherproofing work. White finish. Product code: SOCAULKW.

Soudal Decorators Caulk White 300ml Cartridge is a roofing and external product for roofing, ventilation and weatherproofing work. White finish. Product code: SOCAULKW.

50mm Plastic Top Nails Chartwell Green Box 100 is a fixing and accessory for fixing and installation projects. 50mm; Chartwell Green finish. Product code: BNBN50CGXBOX.

50mm Plastic Top Nails Chartwell Green Box 100 is a fixing and accessory for fixing and installation projects. 50mm; Chartwell Green finish. Product code: BNBN50CGXBOX.

50mm Plastic Top Nails Cream Box 100 is a fixing and accessory for fixing and installation projects. 50mm; Cream finish. Product code: BNBN50CRXBOX.

50mm Plastic Top Nails Cream Box 100 is a fixing and accessory for fixing and installation projects. 50mm; Cream finish. Product code: BNBN50CRXBOX.

30mm Plastic Top Pins Black Box 250 is a fixing and accessory for fixing and installation projects. 30mm; Black finish. Product code: BNBP30BLXBOX.

30mm Plastic Top Pins Black Box 250 is a fixing and accessory for fixing and installation projects. 30mm; Black finish. Product code: BNBP30BLXBOX.

30mm Plastic Top Pins Brown Box 250 is a fixing and accessory for fixing and installation projects. 30mm; Brown finish. Product code: BNBP30BRXBOX.

30mm Plastic Top Pins Brown Box 250 is a fixing and accessory for fixing and installation projects. 30mm; Brown finish. Product code: BNBP30BRXBOX.

30mm Plastic Top Pins Chartwell Green Box 250 is a fixing and accessory for fixing and installation projects. 30mm; Chartwell Green finish. Product code: BNBP30CGXBOX.

30mm Plastic Top Pins Chartwell Green Box 250 is a fixing and accessory for fixing and installation projects. 30mm; Chartwell Green finish. Product code: BNBP30CGXBOX.

30mm Plastic Top Pins Cream Box 250 is a fixing and accessory for fixing and installation projects. 30mm; Cream finish. Product code: BNBP30CRXBOX.

30mm Plastic Top Pins Cream Box 250 is a fixing and accessory for fixing and installation projects. 30mm; Cream finish. Product code: BNBP30CRXBOX.

30mm Plastic Top Pins Light/Golden Oak Box 250 is a fixing and accessory for fixing and installation projects. 30mm; Golden Oak finish. Product code: BNBP30GOXBOX.

30mm Plastic Top Pins Light/Golden Oak Box 250 is a fixing and accessory for fixing and installation projects. 30mm; Golden Oak finish. Product code: BNBP30GOXBOX.

30mm Plastic Top Pins Irish Oak Box 250 is a fixing and accessory for fixing and installation projects. 30mm; Irish Oak finish. Product code: BNBP30IOXBOX.

30mm Plastic Top Pins Irish Oak Box 250 is a fixing and accessory for fixing and installation projects. 30mm; Irish Oak finish. Product code: BNBP30IOXBOX.

30mm Plastic Top Pins White Box 250 is a fixing and accessory for fixing and installation projects. 30mm; White finish. Product code: BNBP30WXBOX.

30mm Plastic Top Pins White Box 250 is a fixing and accessory for fixing and installation projects. 30mm; White finish. Product code: BNBP30WXBOX.

40mm Plastic Top Pins Light/Golden Oak Box 250 is a fixing and accessory for fixing and installation projects. 40mm; Golden Oak finish. Product code: BNBP40GOXBOX.

40mm Plastic Top Pins Light/Golden Oak Box 250 is a fixing and accessory for fixing and installation projects. 40mm; Golden Oak finish. Product code: BNBP40GOXBOX.

50mm Plastic Top Nails Pale Gold Box 100 RAL 1013 is a fixing and accessory for fixing and installation projects. 50mm. Product code: FFN50PG.

50mm Plastic Top Nails Pale Gold Box 100 RAL 1013 is a fixing and accessory for fixing and installation projects. 50mm. Product code: FFN50PG.

50mm Plastic Top Nails Sable Box 100 RAL 1015 is a fixing and accessory for fixing and installation projects. 50mm. Product code: FFN50SAB.

50mm Plastic Top Nails Sable Box 100 RAL 1015 is a fixing and accessory for fixing and installation projects. 50mm. Product code: FFN50SAB.

50mm Plastic Top Nails Storm Grey Box 100 is a fixing and accessory for fixing and installation projects. 50mm; Storm Grey finish. Product code: FFN50SG.

50mm Plastic Top Nails Storm Grey Box 100 is a fixing and accessory for fixing and installation projects. 50mm; Storm Grey finish. Product code: FFN50SG.

65mm Plastic Top Nails Storm Grey Box 100 is a fixing and accessory for fixing and installation projects. 65mm; Storm Grey finish. Product code: FFN65SG.

65mm Plastic Top Nails Storm Grey Box 100 is a fixing and accessory for fixing and installation projects. 65mm; Storm Grey finish. Product code: FFN65SG.

30mm Plastic Top Pins Pale Gold Box 200 is a fixing and accessory for fixing and installation projects. 30mm. Product code: FFP30PG.

30mm Plastic Top Pins Pale Gold Box 200 is a fixing and accessory for fixing and installation projects. 30mm. Product code: FFP30PG.

30mm Plastic Top Pins Sable Box 200 RAL 1015 is a fixing and accessory for fixing and installation projects. 30mm. Product code: FFP30SAB.

30mm Plastic Top Pins Sable Box 200 RAL 1015 is a fixing and accessory for fixing and installation projects. 30mm. Product code: FFP30SAB.

40mm Plastic Top Pins Pale Gold Box 200 is a fixing and accessory for fixing and installation projects. 40mm. Product code: FFP40PG.

40mm Plastic Top Pins Pale Gold Box 200 is a fixing and accessory for fixing and installation projects. 40mm. Product code: FFP40PG.

40mm Plastic Top Pins Sable Box 200 RAL 1015 is a fixing and accessory for fixing and installation projects. 40mm. Product code: FFP40SAB.

40mm Plastic Top Pins Sable Box 200 RAL 1015 is a fixing and accessory for fixing and installation projects. 40mm. Product code: FFP40SAB.

40mm Plastic Top Pins Storm Grey Box 200 is a fixing and accessory for fixing and installation projects. 40mm; Storm Grey finish. Product code: FFP40SG.

40mm Plastic Top Pins Storm Grey Box 200 is a fixing and accessory for fixing and installation projects. 40mm; Storm Grey finish. Product code: FFP40SG.

30mm Plastic Top Pins Agate Grey Box 250 is a fixing and accessory for fixing and installation projects. 30mm; Agate Grey finish. Product code: BNBP30AGATXBOX.

30mm Plastic Top Pins Agate Grey Box 250 is a fixing and accessory for fixing and installation projects. 30mm; Agate Grey finish. Product code: BNBP30AGATXBOX.

30mm Plastic Top Pins Anthracite Grey Box 250 is a fixing and accessory for fixing and installation projects. 30mm; Anthracite Grey finish. Product code: BNBP30AGXBOX.

30mm Plastic Top Pins Anthracite Grey Box 250 is a fixing and accessory for fixing and installation projects. 30mm; Anthracite Grey finish. Product code: BNBP30AGXBOX.

40mm Plastic Top Pins Anthracite Grey Box 250 is a fixing and accessory for fixing and installation projects. 40mm; Anthracite Grey finish. Product code: BNBP40AGXBOX.

40mm Plastic Top Pins Anthracite Grey Box 250 is a fixing and accessory for fixing and installation projects. 40mm; Anthracite Grey finish. Product code: BNBP40AGXBOX.

40mm Plastic Top Pins Black Box 250 is a fixing and accessory for fixing and installation projects. 40mm; Black finish. Product code: BNBP40BLXBOX.

40mm Plastic Top Pins Black Box 250 is a fixing and accessory for fixing and installation projects. 40mm; Black finish. Product code: BNBP40BLXBOX.

40mm Plastic Top Pins White Box 250 is a fixing and accessory for fixing and installation projects. 40mm; White finish. Product code: BNBP40WXBOX.

40mm Plastic Top Pins White Box 250 is a fixing and accessory for fixing and installation projects. 40mm; White finish. Product code: BNBP40WXBOX.

40mm Plastic Top Pins Agate Grey Box 250 is a fixing and accessory for fixing and installation projects. 40mm; Agate Grey finish. Product code: BNBP40AGATXBOX.

40mm Plastic Top Pins Agate Grey Box 250 is a fixing and accessory for fixing and installation projects. 40mm; Agate Grey finish. Product code: BNBP40AGATXBOX.

40mm Plastic Top Nails White Box 100 is a fixing and accessory for fixing and installation projects. 40mm; White finish. Product code: BNBN40WXBOX.

40mm Plastic Top Nails White Box 100 is a fixing and accessory for fixing and installation projects. 40mm; White finish. Product code: BNBN40WXBOX.

50mm Plastic Top Nails Black Box 100 is a fixing and accessory for fixing and installation projects. 50mm; Black finish. Product code: BNBN50BLXBOX.

50mm Plastic Top Nails Black Box 100 is a fixing and accessory for fixing and installation projects. 50mm; Black finish. Product code: BNBN50BLXBOX.

50mm Plastic Top Nails Brown Box 100 is a fixing and accessory for fixing and installation projects. 50mm; Brown finish. Product code: BNBN50BRXBOX.

50mm Plastic Top Nails Brown Box 100 is a fixing and accessory for fixing and installation projects. 50mm; Brown finish. Product code: BNBN50BRXBOX.

50mm Plastic Top Nails Light/Golden Oak Box 100 is a fixing and accessory for fixing and installation projects. 50mm; Golden Oak finish. Product code: BNBN50GOXBOX.

50mm Plastic Top Nails Light/Golden Oak Box 100 is a fixing and accessory for fixing and installation projects. 50mm; Golden Oak finish. Product code: BNBN50GOXBOX.

50mm Plastic Top Nails Irish Oak Box 100 is a fixing and accessory for fixing and installation projects. 50mm; Irish Oak finish. Product code: BNBN50IOXBOX.

50mm Plastic Top Nails Irish Oak Box 100 is a fixing and accessory for fixing and installation projects. 50mm; Irish Oak finish. Product code: BNBN50IOXBOX.

50mm Plastic Top Nails White Box 100 is a fixing and accessory for fixing and installation projects. 50mm; White finish. Product code: BNBN50WXBOX.

50mm Plastic Top Nails White Box 100 is a fixing and accessory for fixing and installation projects. 50mm; White finish. Product code: BNBN50WXBOX.

Konig Touch Up Edging Pen | Anthracite Grey is a fixing and accessory for fixing and installation projects. Anthracite Grey finish. Product code: BNKOGAG.

Konig Touch Up Edging Pen | Anthracite Grey is a fixing and accessory for fixing and installation projects. Anthracite Grey finish. Product code: BNKOGAG.

Konig Touch Up Edging Pen | Blackash is a fixing and accessory for fixing and installation projects. Product code: BNKOGBB.

Konig Touch Up Edging Pen | Blackash is a fixing and accessory for fixing and installation projects. Product code: BNKOGBB.

Konig Touch Up Edging Pen | Chartwell Green is a fixing and accessory for fixing and installation projects. Chartwell Green finish. Product code: BNKOGCG.

Konig Touch Up Edging Pen | Chartwell Green is a fixing and accessory for fixing and installation projects. Chartwell Green finish. Product code: BNKOGCG.

Konig Touch Up Edging Pen | Cream is a fixing and accessory for fixing and installation projects. Cream finish. Product code: BNKOGCR.

Konig Touch Up Edging Pen | Cream is a fixing and accessory for fixing and installation projects. Cream finish. Product code: BNKOGCR.

Konig Touch Up Edging Pen |Golden Oak is a fixing and accessory for fixing and installation projects. Golden Oak finish. Product code: BNKOGGO.

Konig Touch Up Edging Pen |Golden Oak is a fixing and accessory for fixing and installation projects. Golden Oak finish. Product code: BNKOGGO.

Konig Touch Up Edging Pen | Irishoak is a fixing and accessory for fixing and installation projects. Product code: BNKOGIO.

Konig Touch Up Edging Pen | Irishoak is a fixing and accessory for fixing and installation projects. Product code: BNKOGIO.

Konig Touch Up Edging Pen | Rosewood is a fixing and accessory for fixing and installation projects. Rosewood finish. Product code: BNKOGRW.

Konig Touch Up Edging Pen | Rosewood is a fixing and accessory for fixing and installation projects. Rosewood finish. Product code: BNKOGRW.

Konig Touch Up Edging Pen | White RAL 9016 is a fixing and accessory for fixing and installation projects. White finish. Product code: WICKOGW9016.

Konig Touch Up Edging Pen | White RAL 9016 is a fixing and accessory for fixing and installation projects. White finish. Product code: WICKOGW9016.

65mm Plastic Top Nails Black Box 100 is a fixing and accessory for fixing and installation projects. 65mm; Black finish. Product code: BNBN65BLXBOX.

65mm Plastic Top Nails Black Box 100 is a fixing and accessory for fixing and installation projects. 65mm; Black finish. Product code: BNBN65BLXBOX.

65mm Plastic Top Nails Light/Golden Oak Box 100 is a fixing and accessory for fixing and installation projects. 65mm; Golden Oak finish. Product code: BNBN65GOXBOX.

65mm Plastic Top Nails Light/Golden Oak Box 100 is a fixing and accessory for fixing and installation projects. 65mm; Golden Oak finish. Product code: BNBN65GOXBOX.

65mm Plastic Top Nails White Box 100 is a fixing and accessory for fixing and installation projects. 65mm; White finish. Product code: BNBN65WXBOX.

65mm Plastic Top Nails White Box 100 is a fixing and accessory for fixing and installation projects. 65mm; White finish. Product code: BNBN65WXBOX.

Multi Purpose Screw 4.0 X 30mm Box of 200 is a fixing and accessory for fixing and installation projects. 30mm, 4.0 X 30mm. Product code: BNMPS4X30.

Multi Purpose Screw 4.0 X 30mm Box of 200 is a fixing and accessory for fixing and installation projects. 30mm, 4.0 X 30mm. Product code: BNMPS4X30.

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