How To Repair A Flat Concrete Roof

It must be correctly designed and constructed.

How to repair a flat concrete roof.

Always run a test patch first to ensure that proper adhesion and drying occurs and the product works to your satisfaction. The whole concrete roof is cleaned and power washed then flood coated with epdmcoatings elastomeric pure acrylic primer. This is a long video but it will show you how to do it. The final layer of cement should be about 1 2 in 1 3 cm thick and hide the mesh from view.

How to remove repair and install a flat roof. Make sure you offset yo. Flat concrete roofs as they are locally constructed have a number of issues. The first thing to note is that it is the reinforced concrete slab not the screed that keeps the water out.

Lay down the square folded epdm material in the center of your flat roof. Read all label instructions before beginning. Align the bottom so its parallel to the bottom length of the roof. Apply plenty of roofing cement to fill the void and smooth the cement so water can run off unimpeded.

And tie it into your hip roof. Where the roofing curves to meet a wall or chimney the material may loosen along its topmost edges. Cover the mesh with a thick layer of cement. Suburban homes sometimes have small flat sections.

Flip the topmost piece of the epdm material downward across the length of the roof. Smooth the cement flat with a trowel and add more cement as needed. Open up your can of roofing cement again and spread a layer of it over the entire piece of mesh. Repair large holes with concrete patch.