Plaster
Products
Preparation
for Replastering Swimming Pools
There are
procedures that must be done to all pools prior to preparation
for replastering.
1.) Obtain
permits if required.
2.) Take all
necessary action to turn off all power to pool equipment, water
features, lights and auto water fills.
3.) Drain
pool in accordance with all applicable laws and regulations.
4. ) BEWARE:
Care should be taken in areas with high water tables and appropriate
actions taken to prevent flotation of the pool shell.
5.) If the
existing tile is to remain, under cut below water line tile, around
all fittings, wall steps and lights as appropriate to ensure a
flush fittings for the new pool surface.
There are
different methods of preparing a pool for replastering. Your pool
plastering professional will recommend the most appropriate surface
preparation for your pool. The methods listed below are in alphabetical
order and their placement is not an indication of their effectiveness.
It is most important to get the roughest sound base possible to
ensure bonding of the new plaster coat. Listed below are definitions
of common available methods:
Sandblasting or Hydro Blasting & Brown Coat
Sandblasting or Hydro Blasting and Glue
Stripping
Sandblasting
or Hydro Blasting & Brown Coat:
This method removes dirt, minerals and loose plaster. The substrate
is chemically etched, if necessary, and cleaned prior to applying
brown coat which is designed to enhance bonding capability.
Sandblasting
or Hydro Blasting & Glue:
This method removes dirt, minerals and loose plaster. The substrate
is chemically etched, if necessary, and cleaned. A special glue
designed for this purpose is added to the plaster mix.
Stripping:*
This method materially removes the old plaster down to the gunite.
Plastering to the gunite shell guarantees a Permanent bond
* BND uses
this method.
