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NCIDQ-INTERIOR FINISHES QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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NCIDQ-INTERIOR FINISHES QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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NCIDQ-INTERIOR FINISHESQUESTIONS AND ANSWERS WITH
SOLUTIONS 2024
What are the two categories that paints are classified? - ANSWER 1,) Solvent based-have binders
dissolved in or containing organic solvents.
2.) Water based - have binders that are soluble or dispersed in water.
What is epoxy? - ANSWER A durable finish used as a biner for resistence to corrosion and chemicals -
resists abrasion and strongly adheres to concrete, metal, and wood.
What are urethanes? - ANSWER Used for superior resistance to abrasion grease, alcohol, water, and fuels
- wood for wood floors and antigraffiti coatings.
List the 4 types of wood flooring? - ANSWER 1.)Plank - 3/8" - 25/32" thick - wider than strip flooring -
3/4"-8" wide used for large sealed projects or traditional look.
2.) Strip - very common; approx. 2 1/4" wide, tongue and groove thin strips - 3/8" - 25/32" thick.
3.) Block - preassembled wood flooring
a.) Unit block - standard strip flooring held together with steel/wood splines
b.) Laminated block - flooring made from cross-laminated wood veneers
c.) Parquet Flooring - preassembled units of small wood slats in variety of pattern
d.) End-grain blocks - solid pieces of wood from 2 1/4" - 4" thick lain on end
How is wallpaper usually packaged? - ANSWER Rolls that are 20 1/2" wide x 21" long. Sometimes come
in double or single rolls.
What is fusion bonding? - ANSWER Embeds pile yarn in liquid vinyl backing - when vinyl hardens tufts are
locked inot backing - used for carpet tiles
What is tufting? - ANSWER process of punching a yarn through the backing with rows of needles to
produce carpet - the loop can be left or cut - low in cost and quick process. This is the way most carpet is
manufactured.
, Describe 3 types of carpet weaves. - ANSWER 1.) Wilton - or jaquard loom, can produce complex
patterns and several types of surface textures - cut pile, level loop, cut/uncut, etc.
2.) Velvet - simplest form, generally produces solid colors but mult-colored yarns can be used.
3.) Axminster - made on modified jacquard loom that delivers different colored yar and different times -
has even cut pile surface but produces range of patterns and colors.
List the 2 primary ways to install stone flooring. - ANSWER 1.) Thinset - used when a uniform thickness of
stone is set on the subfloor with a special thinset mortar (1/8" thick or less) or with an adhesive - less
expensive, quick to install, adds less weight, and is suitable for thin stone floors with uniform thickness.
Can be placed on concrete or woood floor.
2.) Thickset- requires a layer of mortar 3/4" - 1 1/4" thick be applied to a prepared, structurally sound
subfloor - the stone is either set in semi-wet mortar or the mortar is allowed to cure and the stone is set
in another thin layer of dryset mortar on top of the first. Best way. Used when the subfloor and/or stone
are uneven. ie. slate or sandstone. Mortar bed can be bonded to the subfloor or separated by a clevage
membrane (steel mesh) that separates the stone so if the subfloor moves or deflects the stone floor so it
won't crack.
How is stone applied to a wall? - ANSWER 1.) Traditional - 3/4" thick slabs are attached to wall substrates
w/ stainless steel wires or ties. These are anchored to the substrate and hold the stone while lumps of
plaster of Paris are placed between substrate and stone panels to hold slab
2.) new Technology enables thin stone tiles that were cut or laminated to be mastic applied to a
substrate.
How is wood flooring graded? - ANSWER Wood flooring is graded based on how uniform the wood grain
is - first, second, and third grades. First is best.
Define curtains. - ANSWER Fabric hung within window frame and close to glass, not intended to be open.
Define drapery. - ANSWER Any loosely hung fabric that covers the window.
What are two important environmental issues that designers should be aware of when painting? -
ANSWER 1.) Lead based paint: any house built before 1978 may have lead-base paint - it's dangerous if it
flakes off is chewed on or is released into the air and ingested by occupants. Someone certified should
remove it or you can paint over it or install gypsum board over it sometimes.
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