Glossary Archive - Page 29 of 81

Key plate.

Establishing the cost of labour and materials for work to be carried out.

To roughen a surface by a chemical agent or mechanically by the use of abrasive paper or cloth.

A low-build primer based on polyvinyl butyral resin also known as wash primers, (see P.V.B.).

Rate of solvent-thinner release. Moisture in vapour from water based products.

Inorganic powder with low hiding power used to adjust film forming paints and to avoid settlement in storage. (see Filler).

Spray gun cap with both liquid and air mixing outside the air cap.

An external mix nozzle is where fluid is ejected through the middle of the cap when at the

same time air is released through the two side wings which creates the spray fan.

An external mix nozzle is where the air atomises the paint being pressure feed from the pot.

Extra long pile rollers are use for coating heavy textured masonry surfaces.

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