Tile Roof Ridge & Valley Waterproofing in Montana Park, Pretoria

Location: Montana Park, Pretoria
Service: Tile Roof Ridge & Valley Waterproofing

A cluster home in the Montuscan Villas complex in Montana Park, Pretoria, had a tiled roof showing its age at exactly the points where roofs fail first — the ridges and the valleys. Eco Seal was called in for professional tile roof waterproofing — to rake out, refill, waterproof and colour-match 45 linear metres of cracked ridge caps, clear and reseal the valley sections, and waterproof the flashings and screw lines on an adjoining sheeted roof area.

The problem

On inspection, the ridge cement running along the top of the tiled roof was cracked and missing in multiple sections, leaving open joints along almost the entire ridge line. Gaps like this are one of the most common entry points for water on a tiled roof — rain tracks straight along the ridge and into the roof structure below instead of running off. The valley sections, where two roof planes meet, were blocked with debris and had loose tiles, another classic weak point. Nearby, the flashings and screw lines on a section of sheeted roofing also needed attention, with exposed screw heads and open flashing joints creating further paths for leaks.

The Eco Seal solution

Eco Seal, an approved SealPro applicator, worked through the full ridge line, the valleys and the sheeted section systematically:

1. Rake out and re-fill the ridges — All 45 linear metres of cracked ridge cement were raked out back to a sound base and re-filled with fresh fibre cement to close the open joints.
2. Prime the substrate — Each repaired ridge section was primed so the waterproofing membrane would bond correctly and last.
3. Waterproof with the SealPro StretchSeal system — The ridges were reinforced and sealed using SealPro’s StretchSeal ridge system, a flexible membrane that moves with the roof under thermal expansion instead of cracking again.
4. Colour code the ridges — Once sealed, the ridge caps were colour coded to blend back in with the surrounding roof tiles for a neat, uniform finish.
5. Clear and reseal the valleys — The blocked valley sections were cleared of debris, filled with fibre cement where needed, primed and waterproofed with the same StretchSeal system to restore free water flow off the roof.
6. Seal the flashings and screw lines — On the adjoining sheeted roof section, all exposed flashing joints and screw lines were waterproofed to shut down the secondary leak points.

The result

The ridges and valleys that were once cracked and open are now fully sealed, reinforced and colour-matched into the roof, closing off the paths where water was getting in with the proven concrete tile roof waterproofing system. With the flashings and screw lines on the sheeted section also waterproofed, the homeowner now has a roof that’s protected at every joint — not just patched at the surface — the same standard we bring to all our roof repairs and waterproofing.

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

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