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The Practical Website Of Painting And Wallpapering

Primers for wood siding are of three general types: oil primers, a fortified primer of oil and a resin, and a latex primer. The first two should be used if the house is to be painted with an oilbase paint. Use a latex primer if a latex house paint is to be used as the finish coat.

Oil primers contain a bodied oil to control penetration into the wood. Fortified primers are similar to oil primers, but because of resins added to the vehicle, they are faster drying, resist bleeding, and resist mold and moisture. Latex vehicle primers contain some oil to help develop sufficient adeshion, particularly over old, chalky surfaces.

The accompanying chart can be used as a guide in selecting paints for exterior use.

Special Paints

A variety of masonry paints, catalyst coatings and varnishes

There are surfaces around the home which circumstances dictate should have a specially designed paint or coating. For example, the surface might be subjected to unusually heavy traffic as in the case of floors. Or it might be subjected to extraordinary moisture conditions that can cause a conventional paint to break down.

The purpose of this chapter is to acquaint you with those special paints and coatings for which you will have the greatest need. They include masonry paints and synthetic resin varnish coatings.

MASONRY PAINTS

Unless protected by a coating, raw masonry can eventually dust, scale, and crumble under attack by moisture and abrasion. There are five basic types of special masonry coatings from which to choose. Each is designed for a specific type of task.