We have been using bostik neverseal dimension urethane grout almost exclusively for the last few years.
Bostik for sealing marble.
Not suitable for alkaline surfaces such as concrete fibrous cement asbestos plaster and marble.
Not suitable for alkaline surfaces such as concrete fibrous cement asbestos plaster and marble.
Bostik seal n flex 1 is a low modulus one component class a polyurethane sealant.
Sanitary and tiling silicone sealant.
Suitable for emergency sealing and bonding tasks in and around the house such as sealing around bathroom and kitchen fittings bonding up signboards insulating appliances fixing leaking plumbing etc.
In doing some reading on here and john bridge it seems sanded grout on marble is a cardinal sin.
Sealant for the electrical and electronics industries e g.
Not suitable for some metals i e.
Sealing of joints between glazing and supporting structures.
Sealing of showers basins and baths.
Sealing of gutters gutter outlets and around building flashes.
Not suitable where mould resistance is required e g.
Sealing of double glazed units.
When cured it will form a tough and flexible seal capable of cyclic expansion and compression movement of 100 50 of the original installed joint width.
Mild steel lead copper tin galvanized iron brass or zinc as it may cause corrosion.
Encapsulation of wires insulating appliances.
Ideal for sealing bonding and mending tasks in and around the house such as sealing around bathroom and kitchen fittings bonding up signboards insulating appliances fixing leaking plumbing etc.
Suitable for other sealing bonding and mending tasks in car boat caravan and house.
Perimeter sealing of doors windows and cladding panels.
Low modulus one component polyurethane sealant.
Marble granite quartzite as it may discolour the surfaces.
It cures by absorption of atmospheric moisture to form a flexible and durable elastomeric sealant.
Excellent mould resistance make it ideal for sanitary ware applications such as sealing around bathroom and kitchen fittings baths showers sinks and toilets.