Garage door basic size? - answer✔✔(width x height)
- 9' x 7'
-16' x 7'
What is the rough door opening for a garage door? - answer✔✔Add 3" to door size; If garage
door opening is 16' than opening for brick will be 16' 3'' because of walmanized wood on each
side.
Wood Door material - answer✔✔Wood:
- Solid wood w/ recessed pane
*Advantages:
-Aesthetic value,
-R value
*Disadvantages:
-Rotting,
-Sagging, Loose hardware,
-Flammable,
-life span.
Hollow core
- Door skin - (masonite)
Steel door material - answer✔✔*Advantage:
-lighter
-Stronger
Fiber glass door material - answer✔✔*Advantage:
- Light weight
-Low maintenance
*Disadvantage
- Color fades
- Flammable
- Low security
- No R' Value
Overhead door materials - answer✔✔-Track
-Rollers: steel with bearings, plastic; (less noise, no rust, no maintenance).
-Springs
Torsion: Uniform pull, cost more, (top center), longer life.
Garage door opener - answer✔✔HP: 1/4, 1/3, 1/2, 3/4
*Opener Drive mechanism
- Screw drive: quieter, plastic rollers
- Chain: least expensive
- Belt: Plastic/ nylon; cost more than chain
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