Concrete Roof Waterproofing Methods
The surface shall be free from standing water.
Concrete roof waterproofing methods. Topical sealers can be made from acrylic epoxy and polyurethane based materials. When waterproofing concrete a topical sealer is applied to the surface of the concrete. The concrete surface substrate shall be clean and free from contamination such as dust oil grease organic growth and release agents etc. A gallon covers between 50 70 square feet per coat and two coats should be used to get the best result.
Surface preparation for waterproofing system. Allow the vapor barrier to dry before you add a second coat. Recommended for use on different surfaces including roofs polyurethane foam wood and concrete the jetcoat cool king elastomeric acrylic coating provides a fortified coating that keeps promises 5 years protection for your concrete surface. These pores are interconnected within the concrete.
Cementitious waterproofing is the easiest method of waterproofing in construction. The sealer is impermeable provided it is applied correctly and forms a waterproof membrane around the concrete preventing moisture from entering the concrete. Pour your chosen vapor barrier into a paint sprayer after the primer is dry and liberally spray an even coat onto the concrete roof. Overlap the previous line every time you start a new one.
12 waterproofing of reinforced concrete flat roof 12 1 background most roofs in singapore are constructed using reinforced concrete which is known to have pores or capillary tracts.