Irma Roof Drain

Roof drains large area irma roof drain with stainless steel ballast guard watts drainage products rd 100 cj epoxy coated cast iron irma roof drain with flashing clamp integral gravel stop 4 in. Large sump with perforated stainless steel extension. Typical physical properties drainage core composite astm c 366 method b thickness.

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Irma roof drain.

21500 irma roof drain. Green roof type with perforated standpipe. Green roof drain large sump wide roof flange bottom outlet. Smith 1011 irma application roof drain used in roof systems where the insulated membrane assembly method of waterproofing is provided.

0 25 to 1 0 in. It is used where built up felt and asphalt waterproofing is installed. 21500 fg2 roof drain. A 4 100 high perforated stainless steel gravel stop that restricts crushed gravel commonly installed with irma roofs from entering drain lines is provided with each drain along with a polyethylene domes for leaf debris.

An irma system is the most common type of roof used on modern high rises today. Irma can be referred to as an insulated roof membrane assembly. Irma waterproofing solutions for inverted roofs 2 ply system base sheet over concrete system type. Drainage is directed to roof drains from a slight camber or slope of the roof created during construction or from a professional installer.

Stainless steel perforated ballast guard self locking polyethylene dome and no hub standard outlet. Inverted roof membrane assembly. Drain assemblies are engineered for installation in flat roofs waterproofed using the insulated roof membrane assembly irma method. Specification 21500 irma series coated cast iron roof drain large polypropylene locking dome dome support ring perforated stainless steel extension filter wejloc non puncturing clamp ring with integral gravel stop large sump with wide roof flange and bottom outlet.

These 15 1 4 390 diam. Inverted roof membrane assembly waterproofing options heat weld or cold applied 2 ply 3 ply direct to deck 2 ply 3 ply. Large sump with perforated stainless steel extension. 21500 fg3 roof drain.

Green roof drain plaza drain round top large sump body bottom out.