New external wall

RRS plaster applied on external walls of the house (2014):

Final results after painting. House with RRS plaster, fence wall with normal plaster:

After 8 years. House with RRS plaster, fence wall with normal plaster:

Internal wall​ renovation

Internal wall 1 year after application of waterproof membrane (2019):

Water had completely destroyed waterproof membrane from inside:

However, access to external side of the wall was not possible: 

In first step, waterproof membrane and plaster was removed:


In second step, RRS plaster was applied (formula 2 kg RRS + 50 kg plaster):

In third step, skim coat was applied (without any sealer):

Final result after curing:

The same wall 3 years later:

External wall renovation

Walls were severely damaged by water:

Old plaster was completely removed:

RRS plaster was applied:

Result after painting:


Roof renovation

Roof was causing many leaks into building:

Old layers of screed and waterproofing were removed:

RRS screed was applied (with fiberglass mesh) and remains exposed:

Jet spray test

Left: normal plaster (15 mm thickness), right RRS plaster (15 mm thickness):

Jet spray was used from 1.5 m distance:

One cycle 10 minutes, the hole made before test and then after each cycle to check depth of water penetration:

Normal plaster: 3 cycles, RRS plaster: 6 cycles:

Hole in normal plaster after 3rd cycle (complete water penetration):

Hole in RRS plaster after 6th cycle (1 mm water penetration):

Exposed plaster test

Left: RRS plaster, right: normal plaster. 1 year after both have been applied on external wall:

Both plasters were exposed, without any additional layer:

Moss and cracks on normal plaster:

No moss and no cracks on RRS plaster:

Video library

Video - introduction

Video - mixing and application

Video - iceberg test

Video - volcano test

Video - absorption test

Video - penetration test

Video - water jet test

Video - breathability

Video - mixing in gravity mixer

Video - manual mixing

Video - surface wetting