L.H. Dottie Three-in-One Roof Jack
The L.H. Dottie RN4 Three-in-One Roof Jack is a galvanized steel flashing assembly designed to seal around service entrance conduit or ventilation pipe penetrating a roof. The elastomer collar accommodates pipe sizes from 1-1/2 to 3 inches, providing a weathertight seal that prevents water infiltration at roof penetrations.
Features
- Three-in-one design accommodates multiple pipe sizes in one flashing
- Elastomer collar creates a weathertight seal
- Galvanized steel construction for outdoor corrosion resistance
- Fits 1-1/2 to 3 in. conduit or ventilation pipe
Specifications
- Model: RN4
- Material: Carbon Steel
- Finish: Galvanized
- Product Type: Roof Flashing
- Pipe Size Range: 1-1/2 to 3 in.
- Collar Material: Elastomer
- Application: Service entrance conduit or ventilation pipe
- UPC: 78100210352
Applications
Used by electricians during service entrance installations where conduit must penetrate a roof surface. Also suitable for HVAC and plumbing ventilation pipe penetrations where a weatherproof seal is required.




