Q: What is the difference between models 61111 and 61131?
A: Model 61111 fits a 4″ I.D. roof drain, while model 61131 fits a 6″ I.D. roof drain.
Q: Is this kit suitable for retrofit installations, or only for new roofs?
A: It is suitable for both new and retrofit roof drain installations on single-ply and built-up roofing systems.
Q: What materials are included in the kit and why is that important?
A: The kit includes a UV-stabilized PVC body, poly dome strainer, epoxy-coated cast aluminum clamping ring, under-deck aluminum clamp, and EPDM expansion coupling — ensuring durability, adaptation to different piping, and long-term roof compatibility.
Q: Does the kit come with an under-deck clamp and flexible connector?
A: Yes — the Plus Pack includes an under-deck aluminum clamp and a flexible EPDM coupling with stainless steel clamps for secure and adaptable installation.