Tile Roof Ridge Waterproofing & 2-Coat Repaint in Meyerton

Location: Meyerton, Gauteng
Service: Tile Roof Ridge Waterproofing & 2-Coat Roof Paint

This double-storey tile roof case study shows what happens when ridge maintenance gets skipped for years. Loose ridge cement, weathered tiles, and a build-up of grime had spread across every roof plane, and the homeowner eventually brought in a specialist crew to rake out, waterproof, and repaint the entire roof system.

The problem

Up close, the tiles told the story: patches of lichen and moss, dust and pollen baked into the surface, and ridge lines where the old pointing cement had cracked and started lifting away from the tiles. Loose ridge cement is more than cosmetic — once it lets go, water tracks straight down through the ridge line and into the roof structure. With no reinforcement or waterproofing membrane over the ridges, every rainy season was pushing the problem further along.

The solution

The applicator on this job is an approved SealPro applicator, and the ridge system installed followed SealPro’s specified sequence rather than a generic patch-and-paint approach:

1. Prep and pressure wash — the full roof area was high-pressure washed to strip dust, lichen, and loose material back to a clean, sound tile surface, ready to accept coating.
2. Rake out and re-bed the ridges — every loose or cracked section of ridge cement across all 26 ridge runs was raked out and filled with fresh fibre cement, giving the ridge caps a solid, stable base again.
3. Prime the substrate — the repaired ridges were primed to promote proper adhesion before waterproofing, so the membrane bonds correctly to the cementitious surface instead of sitting loose on top of it.
4. Waterproof with SealPro’s Stretch Seal System — a flexible, reinforced waterproofing membrane was applied continuously along every ridge, bridging the joints between tiles and cement so water can no longer track in at the weak points.
5. Seal the flashing details — the chimney flashing and a small adjoining slab section, both common leak points where different roof surfaces meet, were waterproofed with the same detail-strip system.
6. Two coats of roof paint — once the waterproofing and repairs had cured, the roof was finished with two coats of roof paint in Slate, refreshing the whole roof’s appearance and adding a further UV-resistant, weatherproof layer over the tiles.

The result

The ridge network across every roof plane is now fully re-bedded and waterproofed with a continuous, flexible membrane instead of relying on aging pointing cement — the single biggest source of tile roof leaks. The chimney and slab flashing details are sealed the same way, closing off the other classic entry points for water. With the roof properly prepped, primed, and finished in two coats of Slate roof paint, the homeowner is left with a roof that’s watertight at every ridge and flashing join, and looking sharp from the street for years to come.

If your tile roof ridges haven’t been checked in a few years, or you’re seeing loose cement or moss build-up along the ridge caps, it’s worth having them inspected before the next storm season.

Related SealAll Roof Contractors services: weatherproof roof tiles · roof waterproofing · roof coating and painting across the Vaal Triangle.

Contact SealAll Roof Contractors for a free inspection and quote: 072 694 9243 · roofcontractors.co.za

SealAll Roof Contractors is an approved SealPro applicator serving Vereeniging, Meyerton and the greater Vaal region.

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