Skip to content

9" Vinyl J Channel Siding Window Mount Header Crossboard 43 5/8" Mid America

Original price $35.00 - Original price $35.00
Original price
$35.00 - $35.00
Current price $35.00

Have Questions?

Book a video appointment for us to help you.


  • New in box
  • 9 x 43 5/8"
  • Color number 001 Mid America 
  • Info from product website; 

    This optional back plate with built in J-channel is used with window header when installing clapboard siding such as vinyl siding, fiber cement, cedar, or shakes.

    Provides a flat mounting surface for headers
    Built-in J-channel helps prevent water penetration
    Back-Plate must be ordered and shipped separately from window header
    Available in white (001) and paintable (030) only
    Best for adding to siding, shakes, and cedar


Online purchase Policy

Hassle-free, get your money back within 30 days. See more details.

Return Policy

In store purchases are final sale, online purchases are 30 day return back to original form of payment.

Items purchased for pick up

Must be picked up within 7 days from date of purchase. Proof of purchase will be required at pickup time.

Any items left longer than 7 days will be refunded minus a 15% of total cost restocking fee for store credit.

Please bring help in loading items, as EcoBuilding Bargains staff are unable to assist in loading.

Conditions Disclaimer

Items from Eco-Building Bargains are reclaimed and donated to us and sold as-is, inspected and researched by our team to the best of our abilities. Any visible or known defects and damage will be shown in the photographs and mentioned in the listing. Some items such as electrical, plumbing, and appliances cannot be fully tested on-site. Prices on all items are set to accommodate any adjustments or replacement parts that may be required. From New in box to used antiques, all pieces/hardware included will be shown in the photos. Please examine the photos closely before purchase and we will be happy to answer any questions you may have.

About Us

EcoBuilding Bargains, the Center for EcoTechnology’s reuse store, is the largest reclaimed and surplus building materials store in New England. EcoBuilding Bargains accepts donations of quality home improvement materials and sells them to the public at discounted prices. Our customers love the unique style, quality, and value of these reclaimed pieces. We work to help homeowners and contractors prevent perfectly good building materials from going to landfills, and make home improvement more affordable for more people.