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Paints and Preservatives 6831.23 Surface Preparation Surface preparation to remove dust, oil, moisture and other loose material from the surface should.

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Presentation on theme: "Paints and Preservatives 6831.23 Surface Preparation Surface preparation to remove dust, oil, moisture and other loose material from the surface should."— Presentation transcript:

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2 Paints and Preservatives 6831.23

3 Surface Preparation Surface preparation to remove dust, oil, moisture and other loose material from the surface should be done before painting

4 Surface Preparation Cracks and holes should be repaired or caulked

5 Blister and Peel Moisture in or on the wood will cause paint to blister and peel

6 Crack and Scald Expanding and contracting surfaces cause the paint to crack and scald

7 Specks Dust on the surface or in the paint causes specks and rough places on the painted surface

8 Quality The quality of a paint job is strongly affected by the quality of the surface preparation before painting

9 Paint Brush Painting with a paintbrush is much slower than with a paint spray gun, but the paint brush costs much less

10 Paint Spray Gun Painting with a paint spray gun requires that paint be thinned, and the gun must be cleaned after each use to prevent clogging

11 6” to 8” A spray gun or spray can nozzle should be held about 6” to 8” from the surface being painted

12 6” to 8” Holding too close causes runs or sags on the surface, and holding too far causes the finish to look and feel dusty or sandy

13 Flammable Paints, thinners, and cleaners are flammable, and care should be taken to prevent fires

14 Flammable They also have fumes that can be harmful if inhaled over long periods of time Use ventilation and/or respirator

15 Paints and Preservatives 6831.23


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