The -D Underdeck Clamp option creates an extension that lowers into the roof with clamps that
hold the drains lower body.
The -GSS Stainless Steel Ballast Guard is a 2" inch stainless steel band that sits on top of the
lower body flange. It has holes that allow the water to flow into the lower body while holding debris
out.
The -R 2" External Water Dam option is a 2" stainless steel band with holes that sits on the top of
the dome flange. It also holds debris out while allowing the water to flow through the holes.
-GSS Stainless Steel Ballast Guard
-R 2" External Water Dam
Parts are the same, but install
differently.
The -W Adjustable Internal Water Dam option is a pipe inserted in the middle of the roof drain
that holds water back until it reaches a certain height on the roof.
Adjustable Extension
Insulation
Slab Or Deck
Dome
Flashing Clamp
Flashing
Compression Flange
Compression Gasket
B15 Body
3