An alternative caravan sealant to the other formulas within this article is the W4 Mastic Sealing Strip. The Soundaseal RV 61 is a highly rated caravan sealant which the brand state is used by many major manufacturers in the UK.

The Sikaflex 512 is by far the best caravan sealant on the market and suitable for most caravan or motorhome repairs.

Please be aware that some navigational and safety products may be dated, and as such a full refund may in some cases not be possible. The Captain Tolley’s Creeping Crack Cure is a high quality sealant that’s perfect for problematic hairline cracks.

Other interests include working on cars, keeping fit through sports or his home gym, caravanning and drinking great coffee.Louis's passion is to show people that sailing and boating can be accessible to all and should never limited by the cost of maintenance. Compared to standard sealants, they are much stronger and ideal for roofs, skylights, windows and other interior or exterior components. As a keen DIY’er, gardener and somebody that loves the latest tech, Dan is someone that brings years of experience in multiple trades. Captain Tolley’s Creeping Crack Cure is a low viscosity, specially blended, acrylic copolymer, emulsion-based product with exceptional penetrating properties. It’s suitable for a wide range of caravan applications and can even be sanded down and painted over.

Captain Tolley’s Creepging Crack is generally used above the waterline on deck fittings, coachroofs, wooden decks, hatches, windows, portholes and rivets and was also developed for use on motorhomes and cars. Rapid absorption of the product into a crack indicates a large leak so check the product isn’t flowing through and dripping out the other side! When you strip down after it has failed you will see how ineffective the stuff is for all but pinhole type leaks.You do not even need to remove any old sealant, simply apply creeping crack cure along the line of a crack and when no more is absorbed, yourleak is sealed.