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.

Suburban homes sometimes have small flat sections. Apply plenty of roofing cement to fill the void and smooth the cement so water can run off unimpeded. This is a long video but it will show you how to do it. Where the roofing curves to meet a wall or chimney the material may loosen along its topmost edges.

Read all label instructions before beginning. Lay down the square folded epdm material in the center of your flat roof. Align the bottom so its parallel to the bottom length of the roof. Repair large holes with concrete patch.

The first thing to note is that it is the reinforced concrete slab not the screed that keeps the water out. Smooth the cement flat with a trowel and add more cement as needed. Open the epdm square vertically along the length of the roof. Always run a test patch first to ensure that proper adhesion and drying occurs and the product works to your satisfaction.

Make sure you offset yo. Cover the mesh with a thick layer of cement. If you live in an arid region or an older urban area you may have a large flat roof. Open up your can of roofing cement again and spread a layer of it over the entire piece of mesh.

The final layer of cement should be about 1 2 in 1 3 cm thick and hide the mesh from view. The walls must be built strong enough to support it. Flat concrete roofs as they are locally constructed have a number of issues. The whole concrete roof is cleaned and power washed then flood coated with epdmcoatings elastomeric pure acrylic primer.