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University Planter Sealed With Belzona® 3111





Roof Problem Areas (RPA)


Customer Location:

Montana, USA


Application Date:



Application Situation:

Decorative planter on third floor of University is situated over a common area on the first floor below.



Planter was lined with a rolled roofing membrane that was not conducive to the irregular shape of the planter. When planter was filled with planting media the seams would separate and leak. The rolled roofing application was attempted a number of times and continued to leak.



Belzona 3111 (Flexible Membrane)

Belzona 3921 (GSC Surface Conditioner)  

Belzona 9311 (Flexible Membrane Reinforcement Sheet)



Sealed Plywood


Application Method:

The application was carried out in accordance with a modified version of Belzona Know-How System Leaflet RPA-6 and Belzona Instructions For Use.


Belzona Facts:

Customer had spent much time and effort trying to make rolled roofing product work. Belzona 3111 was easier to apply on this irregular shape. The sealing of this planter allowed the highly visible area to maintain aesthetics with use of this planter and prevented water damage and slip hazards on the floor below, saving great expense. Planter box still in use over a decade later.


Photographs Description

  1. Planter box coated with Belzona 3921
  2. Belzona 3111 being applied
  3. Planter box fully coated
  4. Planter box in use after the repair
Case study pic one


 Case study pic two


 Case study pic three


 Case study pic four


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