Penetration Flashings (Water-shedding Systems)

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Penetration Flashings (Water-shedding Systems)

Accepted Materials for a RoofStar Guarantee

The tables and products shown below provide basic material data and links to more information about the materials, including manufacturers' published Technical Data sheets, but this information is not intended for use as a comparison of material performance or quality. It is the sole responsibility of the Design Authority to assess the performance capability and material suitability for specific design requirements.

The materials listed are those which have been accepted by the RoofStar Guarantee Program (RCABC Guarantee Corp., or RGC) for use in a roof or grade-level waterproofing system that will qualify for a RoofStar Guarantee. The acceptance of these materials by the RGC (RoofStar Guarantee Program) in no way reflects on the quality or performance of other materials not listed.

The materials and guideline specifications are listed under the name of the manufacturer and/or supplier of the primary membrane material, with the exception of BUR membranes for which the reader will find RoofStar Guarantee Program guidelines on traditional built-up roofing systems (BUR) incorporating organic and glass felt primary membranes.


1 Galvanized Penetration Flashings

Click on a manufacturer's name to see the full list of their products accepted for use in the RoofStar Guarantee Program
Manufacturer Product Name Available Sizes - mm (in.) Material Gauge or Weight - Kg (lb.)
Precision Metals Ltd. Hot-welded B-vent (Sloped) 100, 125, 150, 175, 200 (4, 5, 6, 7, 8) Galvanized Steel 26-Gauge
Precision Metals Ltd. Gooseneck Vent 200 (8) opening; 187.5 (7.5) high Galvanized Steel 26-Gauge
Precision Metals Ltd. PRT Bath/Dryer/Stove Vent 100, 125, 150, 200, 250 (4, 5, 6, 8, 10) opening Galvanized Steel 26-Gauge

2 Aluminum and Copper Penetration Flashings

Click on a manufacturer's name to see the full list of their products accepted for use in the RoofStar Guarantee Program
Manufacturer Product Name Available Sizes - mm (in.) Material Gauge or Weight - Kg (lb.)
Precision Metals Ltd. Aluminum Stack (Pipe flashing) 31.25 to 125 (1.25 to 5) Stack size Aluminum Inquire with Manufacturer
Precision Metals Ltd. Aluminum Stack Cap (Standard) Various (see TDS) Aluminum Inquire with Manufacturer
Precision Metals Ltd. Aluminum Stack Cap (Anti-vandal) 31.25 to 125 (1.25 to 5) Stack size Aluminum Inquire with Manufacturer


Accepted Materials

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