Modi Systems Renova Drain

The Renova Drain is a retrofit roof drain solution made to install quickly by simply pushing into existing pipework with no tools required. Its multi-ribbed design includes rubber sealing rings that create multiple seals and act as an expansion joint to resist buckling. Constructed from UV- and weather-resistant polypropylene, the unit is compatible with all types of roofing systems.

Key features:

• Quick push-in installation with no tools needed
• Multi-ribbed body with rubber rings forming up to 15 individual seals for watertight performance 
• Rubber rings also act as expansion joints to prevent leakage or buckling from climate changes 
• Made of UV- and weather-resistant polypropylene for durability in harsh roofing environments 
• Compatible with all types of roofing systems for versatile retrofit applications

• Multi-ribbed retrofit drain design
• Installation: push into existing pipework, no tools required
• Sealing: Up to 15 individual rubber ring seals per unit
• Body material: UV- and weather-resistant polypropylene
• Compatibility: All roofing system types
• Outlet sizes: Fits 3″, 4″, 5″, 6″ pipe sizes

Q: Can the Renova Drain adapt to different pipe diameters?
A: Yes — the manufacturer lists sizes that fit 3-inch, 4-inch, 5-inch and 6-inch pipe outlets.
Q: What prevents the seal from failing due to roof system movement or temperature changes?
A: The rubber rings act also as expansion joints, which compensate for thermal expansion and movement to maintain the seal.
Q: Is special flashing or membrane attachment required with this retrofit drain?
A: No additional flashing hardware is necessary for the retrofit unit as it installs directly into the existing drain pipe with multiple seals.
Q: How durable is the product for long-term roof exposure?
A: It’s constructed from UV- and weather-resistant polypropylene, designed to withstand acid rain, UV rays and extreme temperatures.