Definition, Origin and Usage
		● Typical Smith Roof Drains
		How to Select a Roof Drain
		● Selection of a Roof Drain Body
		● Selecting Proper Leader Sizes and Number Required
		● Vertical Leader Requirements
		● Calculating Roof Drainage
		● Allowable Flow for Vertical Leader and Horizontal Storm Drain
		Overflow Roof Drains
		Raintrol® Roof Drain
		Roof Drain Vandal Proofing
		Roof Deck Indirect Waste Receptors
		Prefix DX- Wide Flange
		Roof Drain Optional Variations
		Constructions Variations for Roof Drains- Applications and Accessories
		Siphonic Roof Drains