How To Repair A Flat Concrete Roof

Flip the topmost piece of the epdm material downward across the length of the roof.

How to repair a flat concrete roof.

Repair large holes with concrete patch. Cover the mesh with a thick layer of cement. The final layer of cement should be about 1 2 in 1 3 cm thick and hide the mesh from view. Apply plenty of roofing cement to fill the void and smooth the cement so water can run off unimpeded.

Align the bottom so its parallel to the bottom length of the roof. Open the epdm square vertically along the length of the roof. The walls must be built strong enough to support it. Smooth the cement flat with a trowel and add more cement as needed.

The whole concrete roof is cleaned and power washed then flood coated with epdmcoatings elastomeric pure acrylic primer. It must be correctly designed and constructed. Always run a test patch first to ensure that proper adhesion and drying occurs and the product works to your satisfaction. The first thing to note is that it is the reinforced concrete slab not the screed that keeps the water out.

How to remove repair and install a flat roof. Where the roofing curves to meet a wall or chimney the material may loosen along its topmost edges. Suburban homes sometimes have small flat sections. And tie it into your hip roof.

This is a long video but it will show you how to do it. Flat concrete roofs as they are locally constructed have a number of issues. Read all label instructions before beginning. Lay down the square folded epdm material in the center of your flat roof.