J Trim Aluminum Capping Rail Gutter Trim - 92" Long x 1/8" Hook x 7/8" Tall | Mill Finish or Black

This 92" aluminum J-trim features a 1/8" hook with a 7/8" vertical leg, making it ideal for gutter rails, panel capping, or edge finishing on trailers, RVs, siding, or custom sheet metal applications. Available in both mill finish and black painted, it provides a clean, durable edge while helping channel water and protect exposed material ends.

Shipping: Calculated at checkout
Handling Time: 1–3 business days

Aluminum J-Trim for Gutter Rails, Edge Capping & Trailer Applications
This 92" long J-trim with a 1/8" hook and 7/8" tall is designed for capping exposed edges, creating drip guards, or finishing off panel seams. Commonly used for trailer gutters, RV siding, metal roofing, and interior paneling, this versatile trim adds both protection and a professional, polished appearance.

Made from corrosion-resistant aluminum, it's lightweight, durable, and easy to install with screws, rivets, or adhesive. Choose between a classic mill finish or a sleek black painted option to match your project’s design.

Product Specifications:

• Material: Aluminum

• Finish Options: Mill Finish or Black (Painted)

• Length: 92 in

• Hook Size: 1/8 in

• Leg Height: 7/8 in

• Style: J-Trim / Gutter Rail Capping

• Durability: Rust-resistant, weather-tolerant, and ideal for exterior use

• Application: Edge capping for trailer siding, gutter rail finishing, panel protection, and more

Easy to Cut and Install
This J-trim can be cut to length with basic tools and mounted using standard fasteners. It provides a tight, clean edge that helps keep moisture out while reinforcing and protecting your build.

Shipping Info
Ships via UPS Ground for most orders or via LTL freight for large or bulk shipments. For special shipping requirements, please contact us directly.

Need a Custom Length or Finish?
We’re happy to cut to custom sizes upon request. Leave a note under “Special instructions for seller” in your cart, or reach out to us for a personalized quote or custom order support.

Reliable Trim for Clean, Moisture-Blocking Edges
Whether you're building or repairing a trailer, RV, or custom metal project, this aluminum J-trim offers dependable edge protection with a clean, professional-grade finish.

MIX & MATCH DISCOUNTS

SHEET:

DISCOUNT INCLUDES FULL SHEETS OF DIAMOND PLATE (.025”, .045”, & .050”), STUCCO, ALUMI-TEC AND ALUMINUM PAINTED SHEET (.030”, .040”, & .050”)
10-19 SHEETS = 10% OFF
20-39 SHEETS = 20% OFF
40+ SHEETS = 40% OFF

TRIM:

DISCOUNT APPLIES TO FULL SIZE LENGTHS TRIMS, ANGLES, TUBES ETC (62"-93")
20+ PIECES = 10% OFF
40+ PIECES = 20% OFF
60+ PIECES = 30% OFF

ELIGIBLE ITEMS AUTOMATICALLY APPLY DISCOUNT WHEN ADDED TO CART

*full sheets are sheets 48-49" wide x 48+" long

Handling Time: 1-3 Business Days

Large orders of sheet or trim can be shipped through an LTL carrier either shipped flat or in large boxes depending on the order and order quantity. If freight is not specified when ordered or during checkout we will use our discretion to package as safe as possible.