Roof Repairs and Waterproofing in Johannesburg

A roof only needs to fail in one place to cause real damage — a damp ceiling, a stained wall, a warped floor. RM Construction repairs and waterproofs roofs across Johannesburg and Gauteng, for homeowners, estates, complexes and commercial properties.

Common Signs Your Roof Needs Attention

Water stains or damp patches on ceilings and walls, leaks during rain, curling or cracked tiles, and pooling on flat roof surfaces are all signs worth acting on early. Left unaddressed, small issues tend to become bigger and more expensive ones — particularly through Johannesburg's summer storm season.

Our Roof Assessment Process

Every project starts with a full inspection. We check for the visible signs above, along with less obvious problems such as failed flashing, deteriorated membranes and blocked drainage points. This tells us exactly what's causing the leak or damage, rather than guessing at a fix.

Waterproofing Methods We Use

Depending on the roof type and the problem, we use liquid waterproofing membranes, bituminous (torch-on) membranes, and EPDM or TPO systems, selecting materials suited to South African sun exposure and rainfall patterns. We also repair and replace IBR sheeting, tiles, and flat roof surfaces as needed.

Waterproofing for Complexes and Estates

Multi-unit properties bring their own challenges — coordinating with trustees or managing agents, minimising disruption to residents, and working across shared roof areas. We plan projects with these constraints in mind, so the work gets done with as little disturbance as possible.

Why Choose an AFRC-Registered Contractor

RM Construction is a registered member of AFRC, the African Federation of Roofing Contractors — the modern association that PRAWA has evolved into to represent the roofing and waterproofing industry across Africa. We also hold a Level 5 BBBEE rating.

Frequently Asked Questions

How do I know if my roof needs repair or replacement? It depends on the extent of the damage. Isolated leaks or damaged sections can usually be repaired; widespread deterioration across an older roof may call for replacement. Our inspection will tell you which applies.

Do you work on flat roofs as well as tiled and IBR roofs? Yes. We handle flat roof waterproofing, tiled roof repairs, and IBR sheeting repairs.

Can you work on shared roofs in complexes and estates? Yes, and we're used to coordinating this kind of work with body corporates and managing agents.

Are you a registered member of a roofing industry body? Yes. RM Construction is a registered member of AFRC (the African Federation of Roofing Contractors).

Need Roof Repairs or Waterproofing?

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