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Cast Iron Retrofit Ring and Dome for Roof Drains
Product Code: BS-1300C/I

Cast Iron Retrofit Ring and Dome for Roof Drains
Cast Iron Retrofit Ring and Dome for Roof DrainsCast Iron Retrofit Dome for Roof DrainsCast Iron Retrofit Ring for Roof Drains
$249.95 each

Please allow 2-3 days to process order. Ships UPS Ground only which takes 3-5 days. Expedited shipping not available.

Versatile, Easy & Quick Replacement for Broken or Missing Roof Drain Domes & Rings.  This is the Only Cast Iron Retrofit Ring & Dome available in the industry....Weighs 21 lbs !!!

  • The Retrofit Ring & Dome will match up to most old style existing drains.
  • Low Profile dome strainer with maximum drainage
  • Designed for re-roofing applications when a clamping ring is important to secure single-ply and two ply membranes in waterproof roof systems.
  • By aligning the Retrofit Ring over the existing bolt holes in the old drain body & installing the new hold-down bolts with washers, the difficult problem of replacing matching domes is resolved.
  • Twist-n-lock attachment, plus 2 bolts to secure to base ring. Vandal resistant.
  • V channel scallops openings on the ring and dome allow for maximum drainage
  • Ring and Dome may be purchased separately or in combination. Together they offer a positive fit with locked in and bolt-down features


  • Material: Cast Iron
  • Drain Dome Size: 12 inch OD x 5 inch
  • Fits three or four bolt patterns ranging from 6-1/2" to 11-3/4".

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