Tanking Membrane

Liquid used as a tanking membrane for damp proofing, plant rooms, podiums decks and other tanking details. Liquid products are applied to rendered walls, brick, blockwork, timber and all other substrates. The coating of liquids stops the migration of water passing through the substrate and leaking in the basement etc. as with a lot of these liquid coatings systems a bonding primer will have to be applied.

If the concrete deck has been polished to a smooth finish, this would need to be ‘keyed’ as primed surfaces may de-bond due to the liquid/ primer debonding from the horizontal/ vertical details. With rising damp issues salts are attracted into your wall and because these are hygroscopic (water attracting) this will further worsen the problem, not only does salts attract damp but they can also leave an unsightly finish, these will need to be sealed off.

Such systems as seamless rubber waterproof systems can be applied as a flexible single component, cold applied and seamless membrane which is used externally of earth retaining projects such as foundation walls and basements.

Other areas that liquid can be used as a submembrane is on buried projects such as car parks and can be tarmacked or asphalted over or even left over the top surface. With nearly all liquids that are coming onto the market whether it is a single component or reinforced coated basement systems, they are all increasingly getting better with time. Some are moisture cured, this means that they can cure in damp conditions much faster than other liquids, this means that speed of projects and other trades can then work off their surfaces.

Traditionally liquid bitumen/ mastic asphalt was used on larger projects but with the decline of hot works on a lot of projects spray machines can be put into place and large area’s up to 750m² can be covered in one working day. With the ease of application, I’m sure you will agree liquids for tanking are the best choice.