Mapelastic is a two-component, highly elastic (>2mm crack bridging) cementitious mortar which is applied using a trowel before laying tiles to ensure long-term waterproofing of the rooftop building.
Rooftop, verandah and balcony waterproofing is necessary even when the tiles are laid as the final layer. Tiles do not constitute a waterproofing layer and are not able to protect against moisture problems.
Tile laying offers a aesthetic result and unlimited walkability, so that the rooftop building can be used by the occupants for recreational purposes.
Any loose mortar is removed and the surface is cleaned.
Inclinations are created with fibre-reinforced mortar, so that water does not pool and flow to the drains.
The mortar is prepared to a thickness of approximately 5 cm and is the pour and boxed in Vertex G 120 mesh.
Once the cement mortar has set and dried - time wise it depends on weather conditions - special rubber waterproofing pieces are installed in the joints and wherever else needed.
The first layer of the Mapelastic drying mortar is then applied with a trowel and while wet, the Mapenet 150 glass fibre mesh (reinforcing protective waterproofing layer) is inserted. When the first layer is dries, the second Mapelastic layer is applied.
Waterproofing is extended up the parapet for about 20 cm, it order to create a waterproofed basin.
Overall Mapelastic consumption: 5 kg/m2
Laying of high-density tiles with Keraflex Maxi S1 (C2-TE-S1) white elastic adhesive.
Tiles are grouted using the water repelling grout, Keracolor GG, and application of a polyurethane mastic, Hyperseal 50 FC or Sikaflex 11 FC, where needed.
For long life, we recommend the thermal adhesion of the Cosmodien bituminous sheet (SBS), weight 4 kilos, with a talc upper layer and elasticity at -20°C on the initial slab, i.e., before the cement mortar. This is a double-waterproofing method.
If thermal insulation is needed, it can be installed before the cement mortar.
The benefits of insulating rooftop buildings with Mapelastic:
Offers long-term waterproofing.
Mapelastic adheres perfectly to cement mortar and is completely compatible with ceramic tiles, tessera and natural stone (certified according to the standard EN 1504-2 and EN 14891).
Mapelastic, in the form of a 2 mm membrane, can cover cracks that have a width of more than 2 mm.
Exceptional mechanical strength is achieved with the addition of reinforcement.
Offers vapour permeability.
It maintains its elasticity in very low temperatures -20°C
It is resistant to UV rays.
Customer reviews for our Rooftop Waterproofing