Irma Roof Drain

Stainless steel perforated ballast guard self locking polyethylene dome and no hub standard outlet.

Irma roof drain.

An irma system is the most common type of roof used on modern high rises today. Green roof type with perforated standpipe. 21500 fg3 roof drain. It is used where built up felt and asphalt waterproofing is installed.

Irma waterproofing solutions for inverted roofs 2 ply system base sheet over concrete system type. 21500 fg2 roof drain. Large sump with perforated stainless steel extension. Drainage is directed to roof drains from a slight camber or slope of the roof created during construction or from a professional installer.

21500 irma roof drain. Green roof drain plaza drain round top large sump body bottom out. Inverted roof membrane assembly. Smith 1011 irma application roof drain used in roof systems where the insulated membrane assembly method of waterproofing is provided.

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. Irma can be referred to as an insulated roof membrane assembly. Large sump with perforated stainless steel extension. These 15 1 4 390 diam.

0 25 to 1 0 in. Green roof drain large sump wide roof flange bottom outlet. 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. Inverted roof membrane assembly waterproofing options heat weld or cold applied 2 ply 3 ply direct to deck 2 ply 3 ply.

21500 ordg1 roof drain.