Smith Roof Drain Applications And Accessories - Precast Deck

Precast Deck

In this application, the Smith roof drain has an underdeck clamp (-C) used where roof drain openings are presleeved in the slab. The underdeck clamp provides positive anchoring of the drain body, and may be used in any slab or deck.

NOTE: The drain flange rests in a recessed portion of the deck, eliminating the sump receiver. 

Accessories

  • Underdeck clamp (-C)

Roof Drain Recommendations 

  • Concrete Precast Only: Use the Smith No. 1010 cast iron body with flashing clamp (standard), underdeck clamp (-C), sump receiver (-R) and polyethylene dome (standard). See manufacturer's catalog for recommended deck opening. Use the Smith No. 1020 (-R-C) for side outlet.
  • Any Precast: Use the Smith No. 1010 cast iron body with flashing collar (standard), extension (-E) for insulation, underdeck clamp (-C), sump receiver (-R) and polyethylene dome (standard). Use Smith No. 1020 for side outlet. 
  • Overflow Drain — Concrete Precast Only: Use the Smith No. 1080 cast iron body with 2-in. high water dam, underdeck clamp (-C), sump receiver (-R) and polyethylene dome (standard). See manufacturer's catalog for recommended deck opening.
  • Overflow Drain — Any Precast: Use the Smith No. 1080 cast iron body with 2-in. high water dam extension (-E) sleeve for insulation, underdeck clamp (-C), sump receiver (-R) and polyethylene dome (standard).

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