Specialized and unique cementitious products for cementitious repairs, coatings, grouts, hardeners, waterproofing and more.
Not sure which product is right for your application? Our team is here to help, with a response within 1 business day.
50+
Years experience
60+
Products
8
Distributors nationwide
Our services
Share your project with us to ensure you get the right product.
Family business with more than 50 years of concrete technology behind us. On-site advice, hands-on training and a fast turnaround time.

Solvent based curing compound – meets ASTM C-309 standard.
Paintable cementitious, multi-purpose long life coating that weatherproofs and decorates walls and concrete surfaces. Available in a range of colours.
Solvent based acrylic resin sealer for the protection and enhancement of concrete surfaces. Topical coating. Available in Clear, Light Grey and Mid Grey.
Moisture barrier floor topping, pigmented densifying and strength enhancing dry-shake floor hardener – surface of 60 MPa with increased abrasion resistance. Range of colours available.
Powder polymer and cementitious blend for wet-to-dry and dry-to-dry bonding. Can be used as a polymer rich cementitious primer for rebar.
Thixotropic paste concrete surface retarder. May be applied to Octodowels to retard setting of the concrete around the Octodowel plate to create moulded slot.
Self-levelling cementitious underlayment for resurfacing horizontal concrete, filling bug holes and imperfections at 2-3mm thick, no primer required.
Corrosion blocking mortar for spalled concrete caused by corrosion of reinforcing bars, contains migrating corrosion inhibitors
Solvent based curing compound – meets ASTM C-309 standard.
Paintable cementitious, multi-purpose long life coating that weatherproofs and decorates walls and concrete surfaces. Available in a range of colours.
Solvent based acrylic resin sealer for the protection and enhancement of concrete surfaces. Topical coating. Available in Clear, Light Grey and Mid Grey.
Moisture barrier floor topping, pigmented densifying and strength enhancing dry-shake floor hardener – surface of 60 MPa with increased abrasion resistance. Range of colours available.
Powder polymer and cementitious blend for wet-to-dry and dry-to-dry bonding. Can be used as a polymer rich cementitious primer for rebar.
Thixotropic paste concrete surface retarder. May be applied to Octodowels to retard setting of the concrete around the Octodowel plate to create moulded slot.
Self-levelling cementitious underlayment for resurfacing horizontal concrete, filling bug holes and imperfections at 2-3mm thick, no primer required.
Corrosion blocking mortar for spalled concrete caused by corrosion of reinforcing bars, contains migrating corrosion inhibitors

Built for your trade
Specs for engineers, cost effectiveness for contractors, finishes for homeowners and designers.
Our work
See our products in action across a variety of real-world applications.














Seamless vanity wall finish in our WallCoat Fritties.
Decorative Coatings

Gauteng, East Rand
Diamond Products
Gauteng, East Rand
011 552 8310 / 0861 75 75 75info@diamondpc.co.zaAddress
Unit 14, Northlake Industrial Business Park, Malcolm Moodie Crescent, Jet Park

Western Cape, Cape Town
Diamond Products
Western Cape, Cape Town
082 377 2205 / 0861 75 75 75capetown@diamondpc.co.zaAddress
WF Chemicals, Unit 1 – Sky Park, C/O Mnhattan & Munich Street, Airport Industria

Mpumalanga, Nelspruit
Winmar
Mpumalanga, Nelspruit
013 752 4409grant@winmar.co.zaAddress
9 Rapid St, Riverside, Mbombela, 1201

KwaZulu-Natal, Pinetown
Brian Roberts Agencies
KwaZulu-Natal, Pinetown
031 700 2437info@brianroberts.co.zaAddress
8 Clark Road, Westmead, Pinetown, 3608

KwaZulu-Natal, Ballito
Brian Roberts Agencies
KwaZulu-Natal, Ballito
032 947 0106ballito@brianroberts.co.zaAddress
Unit 16, Shakashead Industrial Park, R102, Umhlali (Old Main Road)

Eastern Cape, Mthatha
Brian Roberts Agencies
Eastern Cape, Mthatha
047 531 1324ordersumtata@lamandla.co.zaAddress
Unit G, Chalky's Park, Unit 4 & 6, Terminus Road, Vulindlela Heights, Mthatha

Western Cape, Brackenfell
Brian Roberts Agencies
Western Cape, Brackenfell
087 551 2676admin.cpt@brianroberts.co.zaAddress
Unit 31, Silver Park, Silver Street, Brackenfell Industria, Brackenfell, Cape Town

Gauteng, Fourways
Brian Roberts Agencies
Gauteng, Fourways
079 520 0553ross@brianroberts.co.zaAddress
Fourways Self Storage, 1 Montaque Rd, Fourways, Johannesburg, 2191

Gauteng, East Rand
Diamond Products
Gauteng, East Rand
011 552 8310 / 0861 75 75 75info@diamondpc.co.zaAddress
Unit 14, Northlake Industrial Business Park, Malcolm Moodie Crescent, Jet Park

Western Cape, Cape Town
Diamond Products
Western Cape, Cape Town
082 377 2205 / 0861 75 75 75capetown@diamondpc.co.zaAddress
WF Chemicals, Unit 1 – Sky Park, C/O Mnhattan & Munich Street, Airport Industria

Mpumalanga, Nelspruit
Winmar
Mpumalanga, Nelspruit
013 752 4409grant@winmar.co.zaAddress
9 Rapid St, Riverside, Mbombela, 1201

KwaZulu-Natal, Pinetown
Brian Roberts Agencies
KwaZulu-Natal, Pinetown
031 700 2437info@brianroberts.co.zaAddress
8 Clark Road, Westmead, Pinetown, 3608

KwaZulu-Natal, Ballito
Brian Roberts Agencies
KwaZulu-Natal, Ballito
032 947 0106ballito@brianroberts.co.zaAddress
Unit 16, Shakashead Industrial Park, R102, Umhlali (Old Main Road)

Eastern Cape, Mthatha
Brian Roberts Agencies
Eastern Cape, Mthatha
047 531 1324ordersumtata@lamandla.co.zaAddress
Unit G, Chalky's Park, Unit 4 & 6, Terminus Road, Vulindlela Heights, Mthatha

Western Cape, Brackenfell
Brian Roberts Agencies
Western Cape, Brackenfell
087 551 2676admin.cpt@brianroberts.co.zaAddress
Unit 31, Silver Park, Silver Street, Brackenfell Industria, Brackenfell, Cape Town

Gauteng, Fourways
Brian Roberts Agencies
Gauteng, Fourways
079 520 0553ross@brianroberts.co.zaAddress
Fourways Self Storage, 1 Montaque Rd, Fourways, Johannesburg, 2191
Use the quote request form on this site to tell us about your project, and our team will follow up with next steps. You can also contact us on 011 462 2666 to request a quote.
Yes, on-site technical advice is available on request. Get in touch and we'll help arrange it for your project.
Tell us what you're building, whether that's coating, repair, grout, or hardener, and where it's going, and we'll recommend the right product for the job rather than leaving you to guess from a catalogue.
Yes. Our 8 distributors cover most of South Africa, and we can also arrange direct supply for sites outside those regions: get in touch and we'll sort out delivery. We are also registered exporters for international projects.
Yes. Our products are engineered to spec and have been proven on real sites across South Africa and other parts of the world for over 50 years.
You can contact Sarel on 076 228 5174 or David on 079 150 5102.