METHODOLOGY & PROCEDURES

Availability/Delivery

At Job Site:

EXECUTION: TANK INSULATION and INSTALLATION OF PRE FABRICATED CLADDING (COLD END)

APPLICATION OF POLYURETHANE FOAM

MOUNTING OF SHELL

MOUNTING OF LEGS

INSULATION AND CLADDING FOR PIPING 

SAFETY

SPRAY POLYURETHANE FOAM APPLICATION:

  1. Check the weather condition. There must have no rain within the past 24 hrs. and none forecast or expected on the day of work.
  2. Inspect the roof. Make sure that the roof or substrate is free from dirt, oil and other foreign materials.
  3. Using a Spray machine, apply a thin coat of primer to ensure the adhesion of Polyurethane foam on the roof.
  4. Using a Spray Foaming machine, we can now spray apply the Polyurethane foam insulation, minimum thickness is 25mm full foam thickness.

PROTECTIVE TOP COATING APPLICATION:

  1. Protective coating shall not be applied sooner than 2 hours. After Polyurethane Foam has been applied, to allow PUF to cure and minimize off-gassing. Also the protective coating shall be applied the same day as the Polyurethane Foam to prevent Ultraviolet degradation of the PU Foam.
  2. The completed protective coating shall be inspected. In case of pinholes in the coating, additional layer of coating must be applied.