The designer's choice of doors and windows plays a big role in sustainability and level of LEED certification. Why? correct answers Windows, doors, and all openings play a big part in the sustainability of a building
(contribute to energy efficiency to building)
What CSI is doors & openings? co...
COSC 253 EXAM 4 || WITH COMPLETE SOLUTIONS.
The designer's choice of doors and windows plays a big role in sustainability and level of LEED
certification. Why? correct answers Windows, doors, and all openings play a big part in the
sustainability of a building
(contribute to energy efficiency to building)
What CSI is doors & openings? correct answers Division 8
Carbon Steel doors and frames are often called ______. correct answers hollow metal
HM = correct answers Hollow Metal
Steel doors (a.k.a. Hollow Metal or HM): correct answers -Can come pre-hung, weather-
stripped, insulated, and primed from the factory
-Various thicknesses (12 - 18 gauge)
-Standard, heavy, and maximum duty
Steel doors Conforms to the following standards: correct answers NFPA 80
ASTM E90
ASTM C1199
Fire doors and frames: correct answers NFPA 80
Sound rated assemblies: correct answers ASTM E90
Insulated doors: correct answers ASTM C1199
Metal Door Frame Types: correct answers Welded
Knock Down
In _____ frames, corners & intersections are fully welded or attached together using concealed
welded splice plates. Corners should be mitered. correct answers welded
_____ frames are made with mechanical joints. most, but not all, have mitered corners. They're
similar in design & appearance to welded, except they are delivered to a project site
disassembled for field assembly. correct answers knockdown
Welded is installed ______ correct answers while framing wall
Welded:
-
- correct answers Metal Studs
Masonry
Knock Down (KD) is installed ______ correct answers in existing wall
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