objective 5 Flashcards
What size gyp board is typically used in commercial projects?
Residential?
commercial : 5/8”
Residential: 1/2”
When is double layered gyp board used?
for additional fire resistance or for extra acoustical control between rooms
level 0 gyp board
requires no taping, finishing, or accessories
level 1 gyp board
joints and interior angles have tape embedded in joint compound with the surface free of excess joint compound
used for plenums above ceilings and other areas not normally in view
level 2 gyp board
all joints and interior angles have tape embedded in joint compound, and one separate coat of compound is applied over all joints, angles, and accessories
used where water-resistant backing board is employed as a substrate for tile and in other areas where appearance isn’t crucial
Level 3 gyp board
similar to level 2
two coats of joint compoiund are used and the surface is free of tool marks and ridges
used where the surface will receive heavy - or medium- textures finishes or heavy grade wallpaper
level 4 gyp board
similar to level 3
3 coats of joint compound are used.
used where light textures or wallcoverings will be applied or where economy is of concern.
gloss, semi gloss, and enamel paints are not recommended over this finish
level 5 gyp board
similar to level 4
a thin skim coat of joint compound is applied over the entire surface
used where gloss, semigloss, enamel or nontextured flat paints are specified or where severe lighting conditions exist
What is masonry a general term for
brick, concrete block, glass block, structural clay tile, terra-cotta and gyp block
a popular choice material for interior use when a combo of light transmission, privacy, and security is required
glass block
-its manufactured as a hollow unit with a clear, textured, or patterned face
- can not be a load bearing wall
what makes up a demountable partition? (4)
floor runners, ceiling runners, stud sections with clips to hold panels, ad prefinished gyp wallboard panels
nonprogressive vs progressive partition system
nonpro: panels are independent from one another and can be removed/replaced individually
pro: first panel must be placed before the second panel, the second before the third, and so on ; must be taken down in the reverse order
metal doors
flush
sash
louvered
flush: smooth surface both sides
sash: contains one or more glass lights
louvered: have an opening with metal slats to provide ventilation
Glass doors are typically constructed of..
1/2” or 3/4” tempered glass
mortise lock
installed in a rectangular area cut out of a door ; more secure than a cylindrical lock
