Painting and Coating Flashcards
6 cards from real Other Skilled Trades practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Painting and Coating flashcards as text
What is the recommended minimum temperature for applying most latex paints outdoors?
Answer: 50°F
Most latex paint manufacturers specify a minimum application temperature of 50°F to ensure proper film formation and adhesion.
Which application method provides the most uniform coating with the least overspray for large flat surfaces?
Answer: Airless sprayer
An airless sprayer atomizes paint at high pressure, delivering a fast, uniform coating on large flat surfaces with controlled overspray when used properly.
What type of coating is used as a final protective layer on concrete floors in industrial or commercial settings?
Answer: Epoxy floor coating
Epoxy floor coatings provide a hard, chemical-resistant, and abrasion-resistant surface that bonds well to concrete, making them ideal for industrial and commercial floors.
What is 'paint blocking' or 'blocking' in the context of interior walls?
Answer: Applying a stain-blocking primer over stains before painting
Blocking refers to applying a stain-blocking primer over water stains, smoke damage, or tannin bleed before painting to prevent them from showing through the finish coat.
When spraying a two-part epoxy or polyurethane coating, why is the pot life (working time) important?
Answer: It limits how long the mixed material remains usable before it begins to gel and cure
Pot life is the time window after mixing two-part coatings during which the material remains workable — once exceeded, the coating gels and cannot be applied or cleaned from equipment.
What is the purpose of using a 'wet edge' technique when painting large surfaces?
Answer: To keep one edge of the applied paint wet to avoid lap marks when continuing the adjacent section
Maintaining a wet edge means always brushing or rolling into wet paint rather than onto dried paint, preventing visible lap marks in the finished surface.