Liquid rubber waterproofing systems have become one of the most reliable solutions for protecting buildings, roofs, and structural surfaces against water intrusion. Modern construction demands waterproofing solutions that are flexible, durable, and able to withstand extreme environmental conditions. Liquid rubber waterproofing systems provide exactly that — a seamless waterproof membrane that adapts to structural movement while maintaining long-term protection.
At Safeguard Chemicals, liquid rubber waterproofing systems are designed using advanced liquid polymer technology to deliver high-performance waterproofing solutions for roofs, concrete structures, and metal surfaces. Products such as Rubber-Pro 505 and Rubber-Pro 101 primer form part of Safeguard’s professional waterproofing systems used across residential, commercial, and industrial projects.
Unlike traditional sheet membranes that rely on seams and overlaps, liquid rubber waterproofing systems create a continuous coating that eliminates weak points where water can penetrate. This makes them ideal for complex surfaces, structural joints, and areas exposed to heavy rainfall or moisture.
According to research on liquid-applied roof waterproofing systems, polymer-based waterproof coatings provide strong mechanical performance and improved resistance to environmental stress compared to many conventional waterproofing methods.
Safeguard Chemicals manufactures advanced liquid polymer waterproofing systems specifically designed for construction and building protection.
One of the key components of Safeguard liquid rubber waterproofing systems is Rubber-Pro 505, a specialty liquid polymer coating developed using modern waterproofing technology. The product offers excellent water resistance, high elongation, and strong UV resistance, making it suitable for roofs, concrete slabs, cold rooms, and other exposed surfaces.
Hybrid polymer waterproofing Coating.
A typical Safeguard liquid rubber waterproofing system may include:
A typical Safeguard liquid rubber waterproofing system may include:
A fabric reinforcement layer used in areas subject to movement or heavy stress.
This system ensures a complete waterproofing solution rather than relying on a single product.
Liquid rubber waterproofing systems are versatile and can be applied to many building surfaces. Their flexibility allows them to conform to irregular surfaces, penetrations, and structural details where traditional membranes struggle.
Common applications include:
Because liquid rubber waterproofing systems cure into a seamless membrane, they eliminate weak joints that could allow water to penetrate the structure.
Concrete structures are highly susceptible to water penetration due to their porous nature. Without proper protection, water can travel through capillary pores and cracks, leading to structural damage over time.
Liquid rubber waterproofing systems are highly effective for concrete because they:
Safeguard systems such as Rubber-Pro 505 combined with Rubber-Pro 101 primer provide excellent adhesion to concrete surfaces, making them suitable for roofing slabs.
Metal roofs are durable but vulnerable to corrosion and joint leaks. Over time, exposure to moisture and UV radiation can cause fasteners, seams, and metal panels to deteriorate.
Liquid rubber waterproofing systems provide an ideal solution for metal roofing because they create a protective elastomeric coating that seals seams and prevents corrosion.
Benefits include:
Foundations are exposed to groundwater, soil moisture, and hydrostatic pressure. Without effective waterproofing, water can penetrate basement walls and foundation structures.
Liquid rubber waterproofing systems provide a continuous protective barrier around foundations, preventing water ingress and protecting the structural integrity of the building.
These systems are commonly used for:
Liquid rubber waterproofing systems eliminate joints and overlaps, reducing the risk of leaks.
The coating remains elastic, allowing it to expand and contract with structural movement.
Liquid rubber waterproofing systems bond strongly to concrete, metal, and masonry.
These systems maintain their performance even under extreme environmental conditions.
Liquid rubber waterproofing systems can be applied using a brush, roller, or spray, making installation faster than many traditional systems.
Safeguard Chemicals offers a range of compatible waterproofing products, including acrylic waterproofing compounds such as Acrylseal, cementitious systems, polyurethane waterproofing membranes, and liquid rubber waterproofing systems that can be combined depending on the project requirements.
A properly designed waterproofing system ensures that each component works together to provide durable protection against water ingress.
Safeguard Chemicals has developed advanced waterproofing systems designed to meet the demands of modern construction.
Their liquid rubber waterproofing systems offer
Products such as Rubber-Pro 505, Rubber-Pro 101, and supporting waterproofing additives form part of a complete system designed to protect buildings from moisture damage.
With the correct installation and system design, liquid rubber waterproofing systems provide long-term protection for roofs, and structural surfaces.
Hybrid polymer waterproofing Coating.
Waterproofing of roofs, basements, etc. shall be laid under appropriate manufacturer guarantees supplemented
by a contractor workmanship guarantee. Waterproofing to flat roofs shall be laid with a minimum fall to outlets of
1:80 and include all outlets, etc.Waterproof of external basment walls shall take into account the definition of dry and wet sides as per SANS 10021: 2006 6.15.2 and 6.1.5.3 and provide one or two layer membrane systems as
appropriate descriptions of sheets or membrane waterproofing shall be deemed to include all labour costs.
Apply Safeguard SG720″ primer to prepared surfaces, followed by two coats of “Safeguard SG280” waterproofing polyurethane and one coat of SG PU440 with SG PU Fabric on horizontal and vertical joints.
Apply Safeguard SG720″ primer to prepared surfaces, followed by two coats of “Safeguard SG280” waterproofing polyurethane and one coat of SG PU450 with SG PU Fabric on horizontal and vertical joints.
Thoroughly clean and prepare the surface, as per Safeguard Method Statement for Surface Preparation.
Apply one coat of Safeguard solvent-based Bitumen Primer to the surface ensuring full coverage without any “ponding” of primer on the surface.
Allow to dry and heat-fuse one layer of Safeguard Euro Gecko 4mm APP single re-inforced Bitumen Membrane to the primed surface, lapping all side walls and dressing into and around outlets and upstands.
Provide 100mm side laps and 150mm end laps to adjoining rolls of membrane, ensuring that laps are properly “bled”.
Suitable performance-related products are acceptable.
5-7 days after application of the Bitumen Membrane, thoroughly clean the surface of the membrane and apply 2 coats of Safeguard Bitumen Aluminium paint to the membrane using a brush, roller or spray.
Equivalent products are acceptable.
Thoroughly clean and prepare the surface, removing all laitance, dust, dirt, grime and grease.
Apply one coat of solvent-based Bitumen Primer to the surface ensuring full coverage without any “ponding” of primer on the surface.
Allow to dry and heat-fuse one layer of 4mm APP single re-inforced Bitumen Membrane to the primed surface, lapping all side walls and dressing into and around outlets and upstands.
Provide 100mm side laps and 150mm end laps to adjoining rolls of membrane, ensuring that laps are properly “bled”.
5-7 days after application of the Bitumen Membrane, thoroughly clean the surface of the membrane and apply 2 coats of Bitumen Aluminium paint to the membrane using a brush, roller or spray
Thoroughly clean and prepare all external walls from foundation to 2 brick courses above finished ground level as per Safeguard Method Statement for Surface Preparation.
Apply one coat of Safeguard SG 720 Primer to the walls by spray, roller or brush and allow to dry.
Apply two coats of Safeguard SG PU 610 by spray, roller or brush. If applying by spray, dilute with 5% MEK. Allow the first coat to dry overnight. A third coat should be applied where “Wet” sites are encountered as per SANS 10021:2006 6.1.5.3
Protect membrane with soft board or dimpled membrane prior to backfill.
Equivalent performance-related products may be supplied.
Thoroughly clean and prepare all external walls from foundation to 2 brick courses above finished ground level, removing all dirt, dust, grime grease and any unnecessary mortar,
Apply one coat of Polyurethane Primer to the walls and allow to dry.
Apply two coats of Polyurethane waterproofing membrane to a DFT of 1-2mm. The membrane should accommodate temperatures from -30? to +90?C and have a minimum elasticity of 600% with a Shore A hardness of 60 or greater and a Tensile strength of 4N/mm? or greater. Allow the first coat to dry overnight. A third coat should be applied where “Wet” sites are encountered as per SANS 10021:2006 6.1.5.3
Protect membrane with soft board or dimpled membrane prior to backfill.
Thoroughly clean shower walls and floor, removing all loose dirt, mortar, grime and grease. Walls should not be plastered.
Apply a coat of Safeguard Latseal Slurry mixed with Bondaid to the walls and floor, embedding a non-woven polypropylene membrane into the slurry at all joints.
Allow to cure overnight and apply a further coat of Safeguard slurry to the entire area.
At the joint with the outlet, an expandable polyurethane sealant should be applied to cover both surfaces. This should be allowed to cure, together with the slurry before application of any tiles/mosaics.
Equivalent products are acceptable.
Thoroughly clean shower walls and floor, removing all loose dirt, mortar, grime and grease. Walls should not be plastered.
Apply a coat of cementitious waterproof slurry mixed with bonding liquid to the walls and floor, embedding a non-woven polypropylene membrane into the slurry at all joints.
Allow to cure overnight and apply a further coat of slurry to the entire area.
At the joint with the outlet, an expandable polyurethane sealant should be applied to cover both surfaces. This should be allowed to cure, together with the slurry before application of any tiles/mosaics.
PRODUCT GUARANTEE
Polyurethane Roofing – SG PU280
Polyurethane Foundation – SG PU610
Joint Sealant – SG Flex20
Bitumen Roofing – 4mm Torch-on membrane
Polyurethane Undertile Showers / Balconies – SG PU610
Cementitious Undertile Showers/Balconies – Latseal Slurry
SG PU 280 Flat Roof
SG PU 610 Garden Roof
SG 4mm Bitumen Roof
SG PU 610 Foundation
SG PU 280 Car parking
Waterproofing of roofs, basements, etc. shall be laid under appropriate manufacturer guarantees supplemented
by a contractor workmanship guarantee. Waterproofing to flat roofs shall be laid with a minimum fall to outlets of
1:80 and include all outlets, etc.Waterproof of external basment walls shall take into account the definition of dry and wet sides as per SANS 10021: 2006 6.15.2 and 6.1.5.3 and provide one or two layer membrane systems as
appropriate descriptions of sheets or membrane waterproofing shall be deemed to include all labour costs.
Apply Safeguard SG720″ primer to prepared surfaces, followed by two coats of “Safeguard SG280” waterproofing
polyurethane and one coat of SG PU440 with SG PU Fabric on horizontal and vertical joints.
Apply Safeguard SG720″ primer to prepared surfaces, followed by two coats of “Safeguard SG280” waterproofing
polyurethane and one coat of SG PU450 with SG PU Fabric on horizontal and vertical joints.
Thoroughly clean and prepare all external walls from foundation to 2 brick courses above finished ground level as per Safeguard Method Statement for Surface Preparation.
Apply one coat of Safeguard SG 720 Primer to the walls by spray, roller or brush and allow to dry.
Apply two coats of Safeguard SG PU 610 by spray, roller or brush. If applying by spray, dilute with 5% MEK. Allow the first coat to dry overnight. A third coat should be applied where “Wet” sites are encountered as per SANS 10021:2006 6.1.5.3
Protect membrane with soft board or dimpled membrane prior to backfill.
Equivalent performance-related products may be supplied.
Thoroughly clean and prepare all external walls from foundation to 2 brick courses above finished ground level, removing all dirt, dust, grime grease and any unnecessary mortar,
Apply one coat of Polyurethane Primer to the walls and allow to dry.
Apply two coats of Polyurethane waterproofing membrane to a DFT of 1-2mm. The membrane should accommodate temperatures from -30? to +90?C and have a minimum elasticity of 600% with a Shore A hardness of 60 or greater and a Tensile strength of 4N/mm? or greater. Allow the first coat to dry overnight. A third coat should be applied where “Wet” sites are encountered as per SANS 10021:2006 6.1.5.3
Protect membrane with soft board or dimpled membrane prior to backfill.
Thoroughly clean and prepare the surface, as per Safeguard Method Statement for Surface Preparation.
Apply one coat of Safeguard solvent-based Bitumen Primer to the surface ensuring full coverage without any “ponding” of primer on the surface.
Allow to dry and heat-fuse one layer of Safeguard Euro Gecko 4mm APP single re-inforced Bitumen Membrane to the primed surface, lapping all side walls and dressing into and around outlets and upstands.
Provide 100mm side laps and 150mm end laps to adjoining rolls of membrane, ensuring that laps are properly “bled”.
Suitable performance-related products are acceptable.
5-7 days after application of the Bitumen Membrane, thoroughly clean the surface of the membrane and apply 2 coats of Safeguard Bitumen Aluminium paint to the membrane using a brush, roller or spray.
Equivalent products are acceptable.
Thoroughly clean and prepare the surface, removing all laitance, dust, dirt, grime and grease.
Apply one coat of solvent-based Bitumen Primer to the surface ensuring full coverage without any “ponding” of primer on the surface.
Allow to dry and heat-fuse one layer of 4mm APP single re-inforced Bitumen Membrane to the primed surface, lapping all side walls and dressing into and around outlets and upstands.
Provide 100mm side laps and 150mm end laps to adjoining rolls of membrane, ensuring that laps are properly “bled”.
5-7 days after application of the Bitumen Membrane, thoroughly clean the surface of the membrane and apply 2 coats of Bitumen Aluminium paint to the membrane using a brush, roller or spray.
Thoroughly clean shower walls and floor, removing all loose dirt, mortar, grime and grease. Walls should not be plastered.
Apply a coat of Safeguard Latseal Slurry mixed with Bondaid to the walls and floor, embedding a non-woven polypropylene membrane into the slurry at all joints.
Allow to cure overnight and apply a further coat of Safeguard slurry to the entire area.
At the joint with the outlet, an expandable polyurethane sealant should be applied to cover both surfaces. This should be allowed to cure, together with the slurry before application of any tiles/mosaics.
Equivalent products are acceptable.
Thoroughly clean shower walls and floor, removing all loose dirt, mortar, grime and grease. Walls should not be plastered.
Apply a coat of cementitious waterproof slurry mixed with bonding liquid to the walls and floor, embedding a non-woven polypropylene membrane into the slurry at all joints.
Allow to cure overnight and apply a further coat of slurry to the entire area.
At the joint with the outlet, an expandable polyurethane sealant should be applied to cover both surfaces. This should be allowed to cure, together with the slurry before application of any tiles/mosaics.
