











- 28 Gauge 18" x 18" galvanized steel base
- For pitch from 0-40°
- Rated 180°F continuous heat and approved for Type B installations
- Self-sealing collar slides over pipe and requires no caulking
- Do not use petroleum based products or paint on flashing collar or plastic base
- Not for hot-mopped or built-up roofs
- For warranty product details, refer to the Oatey Limited Warranty document
Material: | Galvanized Steel |
Brand: | Oatey |
Product Type: | No Calk |
Color: | Unfinished |
Base Size/Diameter: | 18" X 18" |

Oatey® 1.25" – 1.5" Galvanized 18" x 18" base
[UPC] 038753119212
[Part #] 11921
Pipe Diameter: 1.25 in. - 1.5 in.
Weight: 1.85 lb.

Oatey® 1.25" – 1.5" Galvanized 18" x 18" base
[UPC] 038753119236
[Part #] 11923
Pipe Diameter: 1.25 in. - 1.5 in.
Weight: 1.8 lb.

Oatey® 2" Galvanized 18" x 18" base
[UPC] 038753119342
[Part #] 11934
Pipe Diameter: 2 in.
Weight: 1.85 lb.

Oatey® 2" Galvanized 18" x 18" base
[UPC] 038753119366
[Part #] 11936
Pipe Diameter: 2 in.
Weight: 1.85 lb.

Oatey® 3" Galvanized 18" x 18" base
[UPC] 038753119472
[Part #] 11947
Pipe Diameter: 3 in.
Weight: 1.8 lb.

Oatey® No-Calk® 4" Galvanized Roof Flashing 18" x 18" Base
[UPC] 038753119502
[Part #] 11950
Pipe Diameter: 4 in.
Weight: 1.8 lb.