BDC-Finishes Flashcards
What is the first coat in a plaster/ stucco system called
Scratch coat
What is stucco made from?
Portland cement, lime, sand and water
What’s the second layer in a plaster/ stucco system called?
Brown coat
What’s the third and final coat in a plaster/ stucco system called?
Finish coat
What is the recommended spacing of stucco expansion joints
10’
What are advantages for using gyp bd?
- low installation cost
- quick & easy install
- fire resistance
- sound control
- readily available
- versatility
- ease of finishing
- easy install
What are the common Gages for stl studs
25g, 22g, 20ga
What Are standard depths of steel studs?
1 5/8, 2 1/2”, 3 5/8”, 4”, &6”
What are the 4 different absorptive classes of tile?
NONVITREOUS: tile with water absorption of more than 7%
SEMIVITREOUS: water absorption of more than 3 but less than 7%
VITREOUS TILE: absorption between .5% & 3%
IMPERVIOUS TILE: absorption less than .5%
How would you lay a tile floor on a floor that’s expected to heavily deflect? (ie pre- cast conc)
Use a reinforced mortar bed w/ a cleavage membrane (polyethylene film) so that the floor finish and the floor structure can move independent
in wood flooring what is the average harvest age for bamboo?
3-4 yr
what is the pitch of a carpet?
its the number of warp lines of yarn in 27” width
in carpet what is the stich?
the number of lengthwise tufts in 1” the higher the pitch and stich the denser the carpet
whats the difference solvent based and water based paints?
Solvent based have binders dissolved in or containing organic solvents. Water based coatings have binders that are soluble in water (latex & Acrylic)
what are the 4 major parts to paints (coatings)?
VEHICLE: its what provides the adhesion.
SOLVENT: Volatile liquids used to improve the working properties of the paint and coating.
PIGMENT: Finley divided solids that add color
ADDITIVES: they modify various properties of the coating, driers are an example that hasten the curing of the coating
