IBR Metal Roof Waterproofing & Repaint in Alberton

Location: Alberton, Gauteng
Service: IBR Metal Roof Waterproofing & Painting

Steel IBR roofs are tough, but the coating and the fixings are where they age fastest. In this case study, an IBR sheeted roof had reached the end of its original coating life after years of sun, rain and thermal movement. The sheeting had weathered badly, rust was creeping in along the overlaps, and the screw lines had become the weak points where water could track through. The brief was simple: bring the roof back to a fully sealed, watertight, good-looking condition without a full replacement.

The problem

IBR profile sheeting is durable, but it lives or dies on its coating and its fixings. On this roof the paint had faded and chalked, exposing bare metal that was already showing rust bloom along the raised ribs and side laps. The self-tapping screws had loosened slightly over time, and the old sealant washers had perished, so every screw line was a potential leak path. Left untreated, that corrosion spreads under the coating and the joints keep opening up — a proper strip-back, treatment and re-seal was the only lasting fix.

The solution

As an approved SealPro applicator, the crew followed a full metal-roof remediation system rather than simply repainting over the problem:

1. Access and prep. Any adjacent tiled sections were carefully lifted and stacked so the full IBR area could be worked, then the entire roof was high-pressure washed and degreased back to a sound surface.
2. Rust treatment. All rusted sections were mechanically cleaned, treated with a rust converter and primed with Purple Prime to lock down the metal and give the coating system a stable base.
3. Seal the weak points. Overlaps, joints and every screw line were reinforced with Flex and StretchSeal, and the fixings sealed with ScrewSeal, closing off the paths where water had been getting in.
4. Waterproof membrane. HydroSeal HF was applied over the prepared and sealed sheeting to form a continuous, flexible waterproof layer that moves with the roof.
5. Finishing coats. Two coats of high-quality roof paint were applied for a uniform, UV-stable finish, and the gutters were cleaned and waterproofed to complete the drainage.

The result

The roof now reads as a single clean, uniform plane — sealed overlaps, protected screw lines and a fresh, durable coating from ridge to eaves. The rust has been stopped and encapsulated, the leak paths are closed, and any reinstated sections tie the roofscape back together neatly. The outcome is a watertight, low-maintenance IBR roof built to give many more years of reliable service before it needs attention again.

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

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

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

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