Best Water Sealer For Plastic

Gorilla Waterproof Black Coat & Seal Spray, 450ml – Flexible, Weatherproof Liquid Sealant | Seals out Water, Air & Moisture | For Roof Tiles, Brick, Wood, Metal, Concrete, Stone, Rubber, Plastics*

Sika Stixall – Extreme Power Sealant And Adhesive – Waterproof – Black – 290ml

Polar Clear Leak Fix Spray - 400ml - Waterproof Roof Sealant - Instantly Seals Leaks and Cracks, for Lasting Protection on Roofs, Drainpipes and Gutter Repairs, for Interior and Exterior Use

Polar Flawless Clear Lacquer Spray - 400ml - Matt Finish - Non-Yellowing & Scratch Resistant - Interior & Exterior Surfaces for Wood, Metal, Plastics, Glass & Ceramics

Clear Transparent 300ml Hybrid Polymer Sealant Adhesive Construction Joint Waterproof Curable Weatherproof Seal Paintable Odourless Wood Plastic Metal Stone Window Door Roof Gutter Leak Grab - 1 Pack

78Inch/2M Silicone Shower Threshold Water Barrier,Wet Room Floor Barrier,Caulk Strip,Bathroom Floor Seal Strip,Bath Drip Guard Edging Water Stopper Strip for Sink,Bathtub,Countertop,White

Everbuild General Purpose Silicone Sealant – Waterproof – Suitable for Interior and Exterior Use – Clear – 280ml

Raincheck Water Seal 5 Litre - Breathable, Colourless Waterproofer for Brick, Stone, Mortar & Concrete

Silicon SEALANT Clear Tube 70G

Tiger Tape® Emergency Self-Fusing Plumbers Tape | Stops Leaks | Repairs Hoses, Pipes, Electrical Cables, Wires | Stretch & Wrap around Pipes quickly. Self Bonding | Waterproof, Black. 25mm x 5m