How to seal a skylight with EPDM


Waterproof Lab was contacted to attend to a leaking skylight.

The problem was quickly identified: Water was going underneath the flashing, leaking and rotting the wood underneath. It was also leaking between the separate window panes because the installer of the skylight just used normal silicone or water mastic which just can’t last in the harsh South African sun.

What Waterproof Lab did was to apply our black EPDM membrane to the piece of flat roof. The EPDM membrane was also applied on the separate window panes.

Do you also have problems with a leaking skylight? Contact us today for a quote.

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