Tile Roof Leak Repair in Garsfontein, Pretoria

Location: Garsfontein, Pretoria
Service: Tile Roof Leak Sealing & Repair

A concrete tile roof in Garsfontein was leaking where the tiled section met a lower IBR sheeting roof. The pitch on that lower section fell below the 17.5° minimum concrete tiles need to shed water reliably, and years of exposure had left flute gaps, gutters, and overlaps packed with leaves and debris. Every heavy rain sent water tracking back under the tiles instead of off the roof, so the owner called Eco Seal for targeted roof leak repair and waterproofing.

The problem beneath the tiles

From the ground the roof looked intact, but up close the first line of concrete tiles was overhanging directly onto the IBR roof below — exactly where the pitch drops off. Where the two roof types met, the flute gaps between tiles had become collection points for organic debris, and moisture was sitting against the substrate instead of draining away. Left unaddressed, this kind of trapped water works its way into the roof structure and shows up as damp patches and ceiling stains long after the actual entry point has been forgotten.

The Eco Seal solution

Eco Seal, an approved SealPro applicator, carried out a targeted remedial sequence rather than a full roof strip-down, since the leak had a clear, identifiable cause:

1. Remove the overhang — the first line of concrete tiles overhanging onto the IBR roof below 17.5° was lifted and removed, exposing the transition point where water was collecting.
2. Clear and inspect — flute gaps and the channel between the IBR roof and the second line of tiles were cleared of built-up debris so the substrate could be properly assessed and prepped.
3. Close the flute gaps — the open flutes in the concrete tiles were closed off to stop water and debris re-entering the same channels.
4. Seal the transition — the section between the IBR roof and the second line of tiles was sealed to create a continuous, watertight junction between the two roof types.
5. Reinstate and finish — tiles were reset and the repaired section finished to blend with the surrounding roofline.

Because the roof geometry itself was working against drainage at that low-pitch section, the fix focused on redirecting and sealing water at the junction rather than fighting the pitch.

The result

The vulnerable junction between the tiled roof and the IBR sheeting is now sealed and debris-free, closing off the path water was using to get under the tiles. The repair addressed the root cause — an under-pitched overlap collecting water and organic matter — rather than just patching visible symptoms, giving the client a durable fix backed by our tile roof waterproofing expertise, the same standard we bring to homes across Garsfontein.

Contact Eco Seal for a free inspection and quote: 083 309 8164 · www.ecoseal.co.za

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