Flat Roof Waterproofing Specialists

Professional and Expert Flat Roofing Contractor
First established in 1982, Multi-Dex is South Africa’s industry leaders in insulated waterproofing systems for concrete slab, flat and low pitched metal roof structures. we have built our business on the principles of quality, durability and service excellence.
- Certified Company
- Satisfied Guaranteed
- Precise Builder
- Excellence Support
Our Core Values
We are one of the founding members of the Professional Waterproofing Association (PWASA), and members of the Waterproofing Federation of South Africa, and also a proud member of Master Builders Association North.
South Africa’s Preferred Waterproofing System
We are the sole suppliers of the Multi-Dex system, a unique insulated roofing system. Using superior materials and advanced application methods, our system has a proven track record for insulation, sound proofing and waterproofing. As South Africa’s preferred brand in waterproofing and roof insulation, we’ve carried out tens-of-thousands of contracts for some of SA’s most recognised companies, such as: Shoprite Checkers, RMB Properties, Tsogo Sun, and SAB, among many others.
Our Specialised Teams Install Effortlessly and Professionally
The size and expertise of our organisation lets us to give great service to businesses, homes and even industrial buildings. Our employees are extensively trained and supervised, to match our performance standards. From liquid systems to poly-card replacement, we have extensive expertise in all of it. We also follow strict health and safety regulations, to insure the safety of our staff and your our clients
Reducing Costs Through Sustainability
As environmentally focused company that uses specialised materials in our products, our systems have the ability to reduce the overall carbon footprint and add to your building’s energy savings. For a free on-site inspection, or to just to engage on how our service can benefit your property, please contact us.
35+ Years Experience in Roofing & Services
Our Mission
Our Vision
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Accreditation
Multi-Dex is passionate about its business. We are proud to be members of a number of industry related boards and associations that hold service excellence and product quality as their mandates.

Professional Waterproofing Association
Established in 2009, to promote, support, protect and to pursue the common interest of clients. As well as specifying, authorities for waterproofing materials and methods.

Master Builders Association North
Master Builders Association North is a Federation of registered employers’ organisations which represent contractors and employers operating in the building and construction sectors. The Association is regulated in terms of Section 107 of the Labour Relations Act, Act 66 of 1995..

Waterproofing Federation of South Africa
Supports open competition and the free enterprise system. Indeed, this competitive environment has led to the success of its member firms. WFSA members recognize that the perpetuation of such a healthy business environment is greatly influenced by their own professional conduct.