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090
RADIATORS AND HOT WATER PIPES 
Usually part of a domestic hot water system or steam heated industrial system
that generates much higher temperature. 
Surface preparation:
 
Wash with a solution of detergent and warm water to remove all dirt and grease.
Rinse well with clean water to remove all washing residues and allow to dry.
Remove any corrosion back to bright metal and spot prime all exposed bare
metal. Allow to dry. 
Painting:
Apply 2 coats of Heat resisting Aluminum Paint.
091
 
REFRIGERATORS
Prime coating may be done with N. C. System. But economy yet durable coating
can be done with air-drying alkyd system. 
Surface Preparation: 
The surface should be prepared by mechanical/chemical cleaning so that it is
free from any single rust, dust or oily matters.  
Painting:  
1. Prime with either Zinc Chromate or Zinc phosphate Primer.
2. Knifing putty may be applied to obtain smooth and uniform 
   surface.
         
3. Apply a coat of suitable surfacer. 
         
4. Apply 2 coats of Robbialac Super Gloss Synthetic Enamel. 
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ROUGHCAST RENDERING
Cement/ Sand mixtures used for external wall surfaces and then ‘bagged’ down
with sacking in order to produce a textured surface. Also used for a surface
where graded stone or marble chippings have been thrown on to an unset
cement/ sand or mortar mix so as to remain fixed to the surface then the backing
has set. 
Painting: 
Matt Finish: 2 3 coats Durocem/ Robb. Plastic Emulsion/ Wethercoat/
Synthetic Matt Finish. 
Glossy Finish: 2 coats Robb. Synthetic Enamel.
For Synthetic Matt or Enamel apply a primer coat of Plastron Sealer
N. B. Gloss may retard on ageing. 
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RUBBER
Because of its extreme elasticity this material is not suitable for painting with
ordinary decorative paints. 
For advice contact our sales centre.