Roof and Ceiling Construction
To offer protection from the elements for people and their possessions.
What is the purpose of a roof?
This class of roof coverings is the preferred choice for any home.
What is Class A Roofing?
The floor of the firebox.
What is a hearth?
A hazardous gas that is odorless, a product of combusion, and must be properly ventilated from a room.
What is carbon monoxide?
Fuel burning appliances must be provided with this.
What is combustion air?
This shall not be less that 1 inch nominal thickness and not less in depth that the cut end of the rafter.
What is roof ridge board?
This is required to seal against entry of water at roof/wall intersections.
What is flashing?
This must be made of operable steel and cast iron and located not less than 8 inches above the firebox opening that can be closed when the fireplace is not in use.
What is a damper?
Equipment and appliances supported from the ground shall be this high above the adjoining ground.
What is 3 inches?
These shall not be installed except in connectors or chimneys serving solid fueld-burning appliances.
What is a manually operated damper?
This is used to reduce rafter spans.
What is a purlin?
What are asphalt shingles?
Required thickness of a masonry fireplace footing.
What is 12 inches?
Appliances shall be installed with the _____ from unprotected combustible materials as indicated on the appliance label.
What is clearance?
A horizontal run of an uninsulated connector to a natural draft chimney shall not exceed ___ percent of the height of the chimney above the connector.
What is 75 percent?
The drawings for this roof member are required to be submitted to the building official for review and approval.
What is a wood roof truss?
These are installed on the ridge side of a chimney or penetration more than 30 inches wide.
What are crickets?
This carries smoke from the fireplace to the outside air.
What is a flue or chimney?
Appliances having an ignition source shall be elevated not less than this height above the garage floor.
What is 18 inches?
These are installed on hot water boilers and tested to withstand two and one-half times the allowable working pressure of the system.
What are expansion tanks?
These are required to resist wind uplift forces.
What is a roof-to-wall connection?
These are used as secondary emergency overflow roof drains.
What are scuppers?
Chimneys must terminate at least this high above the roof.
What is 3 feet?
These convey combustible lint, moisture, and combustion products to the outdoors.
What are dryer exhaust ducts?
The term for piping that is used for radiant floor heating systems.
What is hydronic piping?