Choose the correct roof-vent installation kit for your RV's roof material and vent flange. Camco and JR Products offer putty-tape and butyl-tape versions with different screw quantities. The roof membrane, vent manufacturer's instructions and sealant requirements determine which kit to use.
The Camco 25003/25013 illustrated installation instructions (PDF) cover flange positioning, tape placement, the screw sequence and interior garnish fitting. Camco specifies 25003 for metal/fiberglass roofs and 25013 for rubber roofs. JR Products' current kit list identifies 04162 as the putty-tape kit and 04182 as the butyl-tape kit. Follow the roof and vent manufacturers' installation requirements.
Identify metal, fiberglass or rubber membrane and its original sealant requirements. A roof kit label is not an approval for every TPO, EPDM or PVC roof.
Place the specified putty or butyl tape beneath the flange, sealing around the mounting holes. Camco's instructions call for additional tape layers over ribbed surfaces; do not leave gaps in the sealing path.
Secure the flange with approved hardware. Camco and JR kits have different included screw counts; excessive torque can crack the flange.
Additional lap sealant over exposed screw heads or the flange is a separate choice governed by roof and accessory specifications, not the tape alone.
OEM reference 1 · Grey putty tape
Manufacturer's kit for metal/fiberglass roofs: 8 feet of putty tape, twenty-four #8 × 1-inch hex screws and four #6 × ½-inch Phillips screws; use the kit specified for your roof material and follow the vent manufacturer's sealing instructions.
View exact-number kitOEM reference 2 · White butyl tape
Manufacturer's rubber-roof kit: 8 feet of butyl tape, twenty-four #8 × 1-inch hex screws and four #6 × ½-inch Phillips screws. Match roof-system sealant directions.
View exact-number kitOEM reference 3 · Standard putty tape
JR Products lists 8 feet of putty tape and 36 screws. Designed for appropriate vent, plumbing-stack or refrigerator-vent installation; includes a different screw count from Camco.
View exact-number kitOEM reference 4 · Butyl tape
JR Products lists 8 feet of butyl tape with 36 screws, separately from standard 04162 putty. Verify the application rather than substituting by kit appearance.
View exact-number kit25003 includes grey putty for metal/fiberglass roofs; 25013 white butyl for rubber roofs. Camco's illustrated instructions list 24 larger and 4 smaller screws in either kit.
04162 uses standard putty, 04182 butyl. JR Products describes 36 screws and 8 feet of tape per package. Do not copy Camco's hardware list onto JR kits.
Camco's instructions warn against over-tightening screws, which can warp or split plastic vent flanges. The instruction sheet applies to the described roof kits, not every roof membrane and not every powered roof vent. Always observe appliance flue/combustion-vent requirements separately. Replacing a skylight dome, plumbing vent or refrigerator roof base may require additional manufacturer-approved gasket, primer or topcoat materials.
For wind-driven and solar plumbing roof vents, see the plumbing roof-vent parts guide. For sealant layers, see the roof termination and flange sealing reference. For skylight shapes and trim, see the skylight outer/inner dome guide. ICON skylights use their own specified gasketed installation screws and skylight sealant; do not assume a roof-vent kit substitutes for those parts.
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