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Mastic · Siding

Aluminum J-Channel Evergreen 3/8 in × 12 ft 1" .019

$21.60 each

Orders start at $399. Combine any items to reach it.

Quantity
1 item
$21.60
Oversize delivery
$99.00 per order
Sales tax
Added at checkout

All orders are subject to approval.

You're not charged until your order is approved and ready to ship. Cancel free before then.

Oversize delivery$99.00

Per order, added in your cart. We deliver to the 48 contiguous states.

Availability confirmed by the desk at approval, with your delivery date. Shipping policy · Returns

Mastic · Siding

Details & specifications.

From the maker · Mastic’s description

The Mastic Aluminum J-Channel Evergreen 3/8" x 12' 1" .019 is a siding accessories for jobs that require Mastic model/MPN F43870 in the PC sell unit. Trim frames, protects and adds a finishing touch to windows, doors and corners.

Key Specs

  • Brand: Mastic
  • Model / MPN: F43870
  • SKU: ALCJ38AL19EG
  • Sell unit: PC
  • Product type: Siding Accessories
  • Size / color: 3/8" x 12' 1" .019
  • Category: Siding | Siding/Siding Accessories

Coverage & How Much You Need

Coverage or yield is not specified in the available product details. Use the manufacturer installation instructions and project takeoff before converting the job size into order quantity.

Compatibility / Fitment

Use this item only when the brand, model/MPN, size/color, sell unit, and system type match the project specification. Do not substitute it for a different siding accessories, pack size, color, membrane/system family, or installation condition without checking the manufacturer instructions.

Product Expert Notes

Choose this item when Mastic model/MPN F43870, SKU ALCJ38AL19EG, and the PC sell unit match the project requirement. It is best treated as an exact-match material selection, not a generic substitute.

SKU
ALCJ38AL19EG
Brand
Mastic

Key features

  • Virtually no maintenance
  • Rust-free aluminum construction for durability
  • Perfectly matched to Mastic products

Specifications are provided by the manufacturer. Brand names are trademarks of their owners.

Guide

How many squares

  1. 1

    Squares

    Siding is ordered by the square: 100 sq ft of wall. Add each wall’s width × height, then subtract the openings you will not cover.

  2. 2

    Waste

    Add 10% for a simple wall and 15% for gables and many corners.

  3. 3

    The rest of the wall

    House wrap, starter, J-channel, corners and soffit are their own line items.

Before you ask

Questions about this product.

Rather talk it through? 1.877.490.7099

  • Mastic Aluminum J-Channel Evergreen 3/8" x 12' 1" .019, sold as PC, with SKU ALCJ38AL19EG and manufacturer model/MPN F43870.