Zurn Z164 - 12" Diameter Combination Main Roof and Overflow Drain Select Product (see spec sheet for info):ZA164-2NH - D.C.C.I. Body with 6-9/16” Aluminum Dome - 2” Pipe Size - No-Hub 50GSM: General-use woven geotextile with

50GSM: General-use woven geotextile with excellent resistance to environmental conditions

24” and 36" depths

It provides effective pest control while supporting the health of your plants

Our Concrete Slab Expansion Joint Material is great  for maintaining the integrity of concrete slabs

It can be used in vertical and horizontal applications

Zurn Z164 - 12" Diameter Combination Main Roof and Overflow Drain Select Product (see spec sheet for info):ZA164-2NH - D.C.C.I. Body with 6-9/16” Aluminum Dome - 2” Pipe Size - No-Hub 50GSM: General-use woven geotextile with12" Diameter Combination Main Roof and Overflow Drain with Low Silhouette Domes and Double Top Set Deck Plate The Zurn Z164 is a primary roof drain engineered for large roof areas where high capacity, durability, and reliable membrane protection are essential. Designed to handle heavy rainfall and rooftop loads, it supports strong water removal while protecting the underlying roof components and minimizing maintenance needs. Key Features Heavy Duty