Waterproofing Roof Gardens

Waterproofing roof gardens with MasterPrimer & MasterSeal system


Waterproofing Roof Gardens – The infrastructure shall be a stable concrete infrastructure and not foamed concrete (light concrete).

Surface preparations:

  1. Prior to application, clean the surface thoroughly to remove all dirt. Roll with cement mortar (modified with latex) at all wall-floor corners, if required.
  2. Narrow and deep holes should be sealed, using cement mortar.
  3. Application can be made by spraying, brushing or rolling:

Method of application:

  • Apply a coat of MasterPrimer, over the horizontal surfaces and the rolled corners with WP-90 Geo textile non-woven membrane. Allow to dry for 60-90 minutes.
  • Apply 3 coats of MasterSeal, on the horizontal surfaces and the rounded corners, up to 10 cm above designated soil level in the roof garden. Allow to dry for 5 days.
  • Then, wash the Flexigum with plenty of water and allow to dry for 24 hours.
  • Laying down Polistyrine drainage boards 25 mm-Flo-Cell
  • Spread WP-90 Loos Geotextile non woven membrane with 30 cm overlaps, as a protecting layer and Filter
  • Fill with soil.

g1 waterproofing roof gardens