Faren F72 Silicone Oil, Spray Lubricant, Polishing, Protective, Waterproof, Water Repellent, Suitable for use Also in The Food and Treadmill Industries, 400 ml : Amazon.co.uk: Automotive
Holts Silicone Spray 500ml - Lubricates, Waterproof & Protects Rubber & Plastic | eBay
WATER-GUARD Extreme Water Repellent Spray Silicone - Etsy UK
Silicone Roof Sealant, Silicone Waterproofing - Henry Company