The aluminum gutter retrofit roof drain was designed to accommodate tight conditions such as corners or gutters on an existing roof. A quick and easy retrofit roof drain option that can be installed from the deck without removing the existing drain. The Proseal can be compressed using our Proseal screwdriver to prevent backflow issues.
Features
- Heavy gauge aluminum body
- Stainless steel clamping ring
- Stainless steel snap-on grate
- Includes ProSeal for a strong mechanical seal to prevent water back-up issues
Options
- 5" aluminum strainer
- 7.5 aluminum strainer
- TPO coated flange
- PVC coated flange
- Available in sizes of 3" and 4"
Information
Size/Part #
3" - BGUTTERALB3 (With ProSeal and flat stainless steal grate)
4" - BGUTTERALB4 (With ProSeal and flat stainless steal grate)
3" - BGUTTERALB3AS (With ProSeal and 5" aluminum strainer)
4" - BUTTERALB4AS (With ProSeal and 5" aluminum strainer)
3" - BGUTTERALB3T (With Tape Seal and flat stainless steal grate)
4" - BGUTTERALB4T (With Tape Seal and flat stainless steal grate)
3" - BGUTTERALB3TAS (With Tape Seal and 5" aluminum strainer)
4" - BUTTERALB4TAS (With Tape Seal and 5" aluminum strainer)
Body: Heavy gauge spun aluminum
Flange: 8" x 8"
Outlet length: 12"
Clamping Ring: 5" x 5" stainless steel
Strainer: Stainless steel snap on grate or 5" Aluminum Strainer
Packaging: 1/carton
Resources
Aluminum Gutter Drain : Product Brochure Aluminum Gutter Drain : Data Sheet Aluminum Gutter Drain: Installation Guide Aluminum Gutter Drain : CAD Drawing Aluminum Gutter Drain : SpecificationCertifications
Specifications
| Drain Size | Starting OD of Seal/Outlet | Fits into Pipe ID | Maximum Expansion Diameter of Seal | ID of Seal | GPM |
| 3" | 2.85" | 2-7/8" - 3-1/4" | 3.40" | 2.19" | 45 |
| 4" | 3.80" | 3-7/8" - 4-1/4" | 4.40" | 3.12" | 85 |
Above drains were able to perform at the peak rates with a head of water of 3-1/4" or less.
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— Best Materials LLC, Phoenix AZ