Google rubber roofs and you will get loads of helpful sites.
How to seal a leaking concrete roof.
Repair large holes with concrete patch.
Overlap the previous line every time you start a new one.
Hi thanks for reading this instructable this time i ll describe how to find seal and repair a crack on a concrete roof i needed electric extension stairs full body harness eye protection good rope drill round wire brush for the drill paint br.
Sealing leaks and waterproofing when repairing a leaking roof the fundamental issue is that it is the reinforced concrete that is leaking and the best approach is to remove the screed and expose the reinforced concrete so that leaks can be found and properly sealed.
The whole concrete roof is cleaned and power washed then flood coated with epdmcoatings elastomeric pure acrylic primer.
Follow up with a second coat after 24 hours have passed.
Fill in large cracks with mortar or roofing cement then apply a good concrete primer.
The screeding can then be replaced.
Tips on how to manage leaking concrete roof tip 1 find the leakage source.
Soak up any standing water from the area.
Apply a small bead into the crack by pushing it.
Work systematically from one end to the other spraying in lines.
Mix the epoxy paste according to package directions.
Once the primer is dry apply an elastomeric sealant to the cracks corners and damaged areas and then to the entire roof.
Clean the concrete by removing loose dirt or debris with a broom.
The first step on how to stop water leakage from concrete roof is to find the source.
Always run a test patch first to ensure that proper adhesion and drying occurs and the product works to your satisfaction.
It is also insulator keeping the roof cool from sun and control room temperature and dont allow water seeping or leakage but every 10 to 15 year you have to change it.
How to seal cracks leaks in concrete roofs.
Crack repair in concrete roof.
Hi i also had a concrete roof on an extension that started to leak.
In the end i re roofed it using rubber sheeting.
Pour your chosen vapor barrier into a paint sprayer after the primer is dry and liberally spray an even coat onto the concrete roof.
I watched a few vids on you tube for how to do it and it was a doddle.
Allow the vapor barrier to dry before you add a second coat.
After mixing this in mud clay we put a layer of 3 to 5inches on concrete roof.
Read all label instructions before beginning.
Check the entire roof surface look out for ponding water and inspect the plumbing lines.
Some time it works for 30 years if you make the layer in slop and rain water never dump on it and it flows out from roof.
The concrete needs to be dry.
Great job easy to do and will last longer than i will.
