Non-insert flat
021-87201-8 — Non-insert flat trim, polar white
Maker's nominal profile: 1-1/32 × 1/6 in • 8 ft
AP Products RV Roof-Edge, Corner & Gutter Trim Profiles Guide
Use this RV roof-edge, wall-joint and gutter molding profile guide to identify aluminum trim by its real AP Products item number and cross-section. Non-insert flat trim, flat trim with a screw-cover channel, long-leg corner trim and gutter rails are distinct extrusions. They can look similar in a photograph but differ in leg depth and the way they cover a seam or guide water.
Actual factory extrusion cross-sections
Use AP Products' current aluminum profile list, the extrusion model index and its illustrated catalogs to compare the cross sections and factory part numbers. The manufacturer's profile drawings show the actual extrusion shapes and dimensions.
Where each trim profile belongs
A low-profile flat aluminum cover. It does not have the same covered-fastener channel as 021-546. The factory nominal section is 1-1/32 × 1/6 inches.
A different 1¼ × ⅕-inch extrusion designed with a screw-cover channel. The matching vinyl insert must be identified and its inclusion in a kit confirmed separately.
A 1¼ × 31/32-inch corner section with a longer return leg, not interchangeable with shallow flat trim. Check both mating wall and roof surfaces.
A 1½ × ⅞-inch extrusion with a gutter/water-directing profile and insert channel. Match the drain edge, seam and original molding orientation.
Aluminum roof-edge, corner and gutter trim
Non-insert flat
021-87201-16 — Non-insert flat trim, polar white
Maker's nominal profile: 1-1/32 × 1/6 in • 16 ft
Insert-channel flat
021-54601-8 — Flat trim with insert channel, white
Maker's nominal profile: 1¼ × ⅕ in • 8 ft
Insert-channel flat
021-54603-8 — Flat trim with insert channel, mill
Maker's nominal profile: 1¼ × ⅕ in • 8 ft
Corner
021-85201-8 — Long-leg corner molding, white
Maker's nominal profile: 1¼ × 31/32 in • 8 ft
Corner
021-85201-16 — Long-leg corner molding, white
Maker's nominal profile: 1¼ × 31/32 in • 16 ft
Gutter rail
021-56201-8 — Gutter rail with insert channel, white
Maker's nominal profile: 1½ × ⅞ in • 8 ft
Gutter rail
021-56201-16 — Gutter rail with insert channel, white
Maker's nominal profile: 1½ × ⅞ in • 16 ft
Common installation and ordering differences
Metal trim is not sealant: the molding's profile alone does not guarantee watertight roof or wall joints. Correct butyl/sealing material, mechanical fixing and termination details depend on the RV roof system and the manufacturer's installation procedure. A metal trim molding is also not the same product as the vinyl screw-cover insert or the screws that secure it; do not assume those accessories are included with an extrusion.
Length and shipping: 8- and 16-foot versions are distinct item numbers. Verify actual shipping availability, packaging, usable length and carrier limits before ordering. The 8-foot number is not proof that a different finish or a 16-foot version can be substituted.
Profile selection checklist
Measure each leg of the existing extrusion, overall cross-section, screw channel width, edge return and coating colour. Identify whether it is a flat joint, a roof-to-wall corner or a rain gutter. Check what lies beneath the trim before disturbing any roof or wall seal and follow the roof system manufacturer's sealing instructions. Do not block gutter drain paths or existing ventilation.
For the separate flexible screw-cover strips that fit certain aluminum channels, see the vinyl trim molding insert size and colour guide. The insert is not included with every metal extrusion; confirm the groove before ordering. For gasket materials instead of aluminum extrusions, see compartment-door adhesive foam and D seals. Browse RV trim molding and inserts to compare accessory families.
Récemment consulté
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