Follow us on:

Filter By

For Use By

For Use By

Brand

Brand

Colour Family

Colour Family

Base Type

Base Type

Application Method

Application Method

Interior / Exterior Use

Interior / Exterior Use

Need Help?

Waterproofing Mortar

Specialist waterproofing mortars offer high-performance protection against water ingress, forming a tough, impermeable barrier. Ideal for basements, swimming pools, and foundations, they are essential for safeguarding concrete and masonry from moisture damage. Suitable for industrial and commercial use, these mortars excel in demanding environments where reliability and long-lasting performance are critical. Designed to withstand pressure and harsh conditions, waterproofing mortars ensure structural integrity and durability.

Active filters

Sikalastic 1K

Sikalastic 1K

Sikalastic 1K is a one component, flexible, fibre-reinforced mortar, based on cement modified with special alkali-resistant polymers. It also contains fine fillers, selected graded aggregates, plus special waterproofing additives to produce a flexible mortar that is ideal for waterproofing surfaces subject to flexural strain. Features and...

Price £149.54 (incl. VAT)
Shop now
Trustpilot
In Stock and Available for Delivery
Sika 1 Pre-Bagged Render Mortar | Ready To Use Waterproofing Mortar

Sika 1 Pre-Bagged Render Mortar

Sika 1 Pre-Bagged Render Mortar is part of the Sika 1 Pre-Bagged Structural Waterproofing System and is the second layer of the render system. These special mortars are pre-bagged kiln dried blends of specially graded aggregates and cements, with waterproofing admixtures, packaged in 4 grades at the appropriate mix ratios for optimum...

Price £50.94 (incl. VAT)
Shop now
Trustpilot
In Stock and Available for Delivery
Sika 1 Pre-Bagged Finishing Mortar | Ready To Use Waterproofing Mortar

Sika 1 Pre-Bagged Finishing Mortar

Sika 1 Pre-Bagged Finishing Mortar is part of the Sika 1 Pre-Bagged Structural Waterproofing System and is the third layer of the render system. These special mortars are pre-bagged kiln dried blends of specially graded aggregates and cements, with waterproofing admixtures, packaged in 4 grades at the appropriate mix ratios for optimum...

Price £50.94 (incl. VAT)
Shop now
Trustpilot
In Stock and Available for Delivery
Sika 1 Pre-Bagged Spritz Mortar | Ready To Use Waterproofing Mortar

Sika 1 Pre-Bagged Spritz & Bonding Coat Mortar

Sika 1 Pre-Bagged Spritz & Bonding Coat Mortar is part of the Sika 1 Pre-Bagged Structural Waterproofing System and is the first layer of the render or screed system. These special mortars are pre-bagged kiln dried blends of specially graded aggregates and cements, with waterproofing admixtures, packaged in 4 grades at the appropriate mix...

Price £54.97 (incl. VAT)
Shop now
Trustpilot
In Stock and Available for Delivery
Mapei Mapelastic Smart

Mapei Mapelastic Smart

Mapei Mapelastic Smart is a two-component, high-flexibility cementitious mortar (with crack-bridging capacity > 2 mm) applied by trowel or roller for waterproofing balconies, terraces, bathrooms and swimming pools. Used for waterproofing hydraulic projects such as channels, faces of dams, swimming pools, basins, storage tanks, etc. and...

Price £177.22 (incl. VAT)
Shop now
Trustpilot
In Stock and Available for Delivery
Mapei Mapelastic Turbo

Mapei Mapelastic Turbo

Mapei Mapelastic Turbo is a two-component, rapid-drying elastic cementitious mortar for waterproofing terraces and balconies, including at low temperatures and on substrates not completely dry. Used for: Waterproofing balconies, terraces, flat roofs, swimming pools before bonding ceramic, mosaic or natural stone floor and wall coverings...

Price £149.64 (incl. VAT)
Shop now
Trustpilot
In Stock and Available for Delivery
Fosroc Proofex WG | High Performance Waterproofing Epoxy Resin

Fosroc Proofex WG

Fosroc Proofex WG is a three-component system consisting of base resin, liquid hardener and specially graded inert fillers, used in conjunction with the Proofex range of membranes for detailing of pile caps, box outs and other similar applications to ensure complete integrity of the waterproofing and ground gas protection system. Suitable...

Price £625.49 (incl. VAT)
Shop now
Trustpilot
In Stock and Available for Delivery
Mapei Planiseal 88 | Formerly Idrosilex Pronto | Contact Safe Mortar

Mapei Planiseal 88

Mapei Planiseal 88 - formerly Idrosilex Pronto - is an osmotic cementitious mortar suitable for contact with drinking water, for waterproofing masonry and concrete structures. Used for: Repairing underground masonries subject to water and moisture seepage in situations with negative pressure up to 1 atmosphere Waterproofing basins,...

Price £79.93 (incl. VAT)
Shop now
Trustpilot
In Stock and Available for Delivery
Mapei Mapelastic Foundation

Mapei Mapelastic Foundation

Mapei Mapelastic Foundation is a two-component, flexible cementitious mortar for waterproofing concrete surfaces subject to both positive and negative water pressure. Recommended for foundation walls, car-parks and underground environments, basins, channels and swimming pools Fulfills all the main criteria for the EN 1504-9 Standards...

Price £194.17 (incl. VAT)
Shop now
Trustpilot
In Stock and Available for Delivery
Flexcrete Cemprotec Elastic | Elastomeric Cementitious Flexible Coating

Flexcrete Cemprotec Elastic

Elastomeric cementitious flexible coating. Bridges minor cracks and protects conacrete or other mineral substrates from water penetration and carbon dioxide diffusion. Can also be used as a crack isolation membrane on concrete floors or screeds. Suitable for surface protection systems principles 1.3, 2.2,,8.2 as defined in BS EN 1504-2....

Price £215.15 (incl. VAT)
Shop now
Trustpilot
In Stock and Available for Delivery
Visqueen Pile Cap Sealer | Continuous Waterproof Seal

Visqueen Pile Cap Sealer

Used to make the concrete surface waterproof for waterproofing Grades 1, 2, and 3 in accordance to BS8102:2022. It can be used on concrete piles, ground beams or concrete junctions as a link between membranes, or it can be used as a standalone waterproof system. It is also used where traditional membranes are not suitable. Can be applied...

Price £98.44 (incl. VAT)
Shop now
Trustpilot
In Stock and Available for Delivery

Filter By

For Use By

For Use By

Brand

Brand

Colour Family

Colour Family

Base Type

Base Type

Application Method

Application Method

Interior / Exterior Use

Interior / Exterior Use

Need Help?

Need Help?

 

Unbeatable Protection from Water Damage

Waterproofing mortars are advanced cement-based solutions designed to stop water in its tracks. Acting as an impenetrable barrier, they safeguard structures like concrete walls and masonry surfaces from long-term moisture exposure. In environments where water can threaten structural integrity, these mortars offer a reliable and long-lasting solution.

 

Perfect for High-Stress Environments

Whether it’s protecting underground spaces like basements or fortifying water retention systems such as swimming pools and water tanks, waterproofing mortars excel in high-moisture areas. They are also ideal for terraces, balconies, and external surfaces constantly exposed to the elements. From tunnels to silos, their ability to seal and protect is vital in both construction and repair applications.

 

Engineered for Durability and Performance

Specialist waterproofing mortars are formulated to resist pressure, harsh weather, and constant water exposure. Their exceptional durability ensures that cracks are sealed and surfaces remain protected over time. Offering long-term protection in some of the most demanding environments, these mortars are the ideal choice for both new construction and renovation projects.