Perhaps the best aspect of this cast iron gutter sealant is the fact that it’s so durable. Being labelled as made for the trade, you could potentially get 25 years of protection out of it. All surfaces must be sound, clean, dry or damp and free from any surface contaminants such as dust, dirt oil, grease etc. This silicone works by sealing any gaps and will easily bond your cast iron gutters together. The low modulus, neutral cure silicone has been formulated to have a high degree of flexibility so any sudden movements of your guttering shouldn’t cause you any issues.

EB25 is the Ultimate Sealant and Adhesive, covering the broadest range of application, sealant and adhesive areas. It is a polymer blend sealant giving it additional flexibility and bonding strength you can rely on in any situation. The makeup of this product allows the sealant to be used both internally and externally, in most weather conditions and can be used underwater. Everbuild have had EB25 certified for use in sanitary and food preparation areas and once cured is resistant to mould, temperature extremes, chemicals and more Forget the traditional plasterboard adhesives and use EB25 to bond plasterboard to walls, with its incredible bond strength providing the ideal solution.is the ultimate sealant and adhesive a unique multi purpose sealant and adhesive with permanent elasticity, using a unique polymer blend and The best gutter sealant in the UK will be one that can be applied in all weather, has years of durability and is ultimately good value for money. EB25 has the ability to bond and seal virtually any substrate, even lead sheets which can react with other types of adhesive. Whilst we could have easily put SealFix as the best for this category (and a lot of the others, actually) we thought we’d go for something that is more specific to cast iron gutters so that’s why we’ve chosen Evo-Stik.

When considering factors such as adhesion strength, durability, how waterproof it is and overall value for money, it’s hard to choose anyone other than SealFix as the best gutter sealant overall.

How To...

Fortunately, you don’t need to change your entire guttering if you do find you have a leak. Simply pop some of this gutter silicone on and you’ve saved yourself a fortune. Along with the multitude of benefits EB25 has to offer, it also carries the EC1Plus badge for very low emissions so can be used on environmentally friendly construction projects.

PVA (polyvinyl adhesive) - Also commonly referred to as ‘wood glue,’ PVA glue,’ or ‘white glue,’ PVA has multi-use properties and uses an all-purpose, concentrated formula. Used in many ways such as bonding, priming or even sealing surfaces, PVA solutions also often contain waterproof properties, making them ideal for use in wet or damp environments. A new trend in bathrooms is the installation of decorative shower panels as an alternative to tiles and the mould resistance and waterproof properties of EB25 make it the perfect adhesive for this type of application. Fixing and sealing roof tiles, flashings, gutters. Fixing and sealing architrave, skirting, panelling, mouldings, acoustic tiling.Polar’s gutter sealant paint is ideal for application on any gutter material and will waterproof them instantly.