Natural metal, fabricated on request
Copper Sheet Metal in NJ: Copper and Zinc Parts on Request
Copper sheet metal work in NJ, along with zinc, is something we fabricate on request: roof pans, flashing, caps and trim made to your installer’s or architect’s dimensions. Copper and zinc are not part of our everyday panel line, so ask us about your project first. We do not install. Your installer puts the parts on, and orders are delivered in New Jersey or picked up at our shop.
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Which copper and zinc parts can be made on request?
Roof pans, flashing and trim for the small, visible roofs where natural metal matters most, plus caps and custom parts from drawings. Tell us what you need, and we confirm whether we can make it.
Bay and bow window roofs
Pans for small faceted or curved roofs, in flat-lock or standing seam, made to the templates your installer takes.
Porch and entry roofs
Flat-seam pans for shallow porch roofs, where soldered seams handle a low pitch that shingles cannot.
Flashing, caps and trim
Wall and chimney flashing, chimney caps and trim in a metal that matches the roof. Custom fabrication
Box gutter liners
Liners for built-in gutters on older buildings, made to the dimensions your contractor takes. Box gutters
Many owners mix materials: copper on the bay or the entry, painted standing seam panels on the main roof. That keeps the budget in check while the natural metal sits where people see it.
How do copper and zinc differ?
Copper starts bright and darkens to brown, and over many years it can turn green. Zinc starts blue-gray, or pre-weathered gray, and stays in a calm gray range as it ages.
| Item | Copper | Zinc |
|---|---|---|
| Look when new | Bright salmon-colored metal | Blue-gray, or a pre-weathered matte gray |
| How it ages | Darkens to brown; can turn green over many years, depending on exposure | Develops a lighter gray patina |
| Life estimate | More than 100 years, per Copper Development Association estimates | 100-year design life, as cited by VMZINC |
| Common seams | Standing seam, soldered flat-lock seam, batten seam | Standing seam, flat-lock, interlocking panels |
| How sheet is specified | By weight, such as 16 or 20 ounce | Thickness set by the manufacturer’s specification |
| Watch for | Runoff stains masonry and can corrode steel, aluminum and zinc below | Needs the underside protection the manufacturer specifies; keep copper runoff off it |
Pre-patinated copper and pre-weathered zinc let you skip the waiting if you want the aged color on day one. Ask us whether the finish you want is available for your order.
How long do copper and zinc roofs last?
For a very long time when they are detailed well. Copper’s trade group, the Copper Development Association, reports estimates topping 100 years for copper roofs, and zinc maker VMZINC states a design life of 100 years.
Those are estimates, not promises. Real life depends on the installation: clean seams, cleats that let the metal move, clips and fasteners of a compatible metal, and water that leaves the roof without pooling. That is why your installer’s flashing, seams and drainage details matter more than the flat pans.
The same CDA source puts asphalt shingles at an average of about 15 to 30 years. On a historic house, a copper bay roof can outlast several roofs on the rest of the building. Our benefits of metal roofing page compares the metals further.
Copper and zinc on historic New Jersey homes
Natural metal is often what a historic commission expects to see on bays, porches and towers. If the house sits in a local historic district, plan for a review before any work starts.
Under the state’s Municipal Land Use Law, a town may pass a preservation ordinance, designate districts and appoint a commission. Most such ordinances route major exterior changes through a review, the New Jersey Historic Trust explains. The same publication notes that State or National Register listing is generally honorific for a private home; the local ordinance is what regulates.
How much say a commission has differs from town to town. Princeton’s commission weighs in on applications across 21 historic overlay districts and adopted fresh design guidelines in September 2026, while Morristown’s town page presents its commission as an advisory body. The state’s ordinary-maintenance permit exemption for re-roofing a detached home does not override a local historic approval.
If the commission wants drawings of the metalwork, ask us about shop drawings for your order. Our guide to copper and zinc roofs in historic districts walks through what commissions usually ask for.
How should copper be kept away from other metals?
By planning where the water goes before any pan is made. Copper runoff stains stone and concrete and can corrode other metals it reaches.
Metal Sales’ Galvalume warranty excludes areas that receive runoff from copper or lead flashing, and areas in contact with copper. If a copper bay roof drains onto a steel standing seam roof below, your installer needs to redirect the water and keep the metals apart. We can form the separating flashing to their drawing.
- Copper clips, cleats and fasteners with copper; stainless steel where the manufacturer allows it.
- No direct contact between copper and steel, aluminum or zinc.
- Metal flashing at walls and chimneys formed in a compatible metal.
- On older homes with built-in gutters, a liner chosen to match the roof metal.
What does copper or zinc roofing cost?
More than painted steel, though on small roofs the difference is often manageable. Published guides quote installed totals that include labor by others, not material prices.
HomeGuide’s 2026 national guide puts copper at about $1,300 to $3,000 per square (100 square feet) installed and zinc at about $1,000 to $2,000 per square. Small roofs such as bays, cupolas and turrets cost more per square foot than one big plane, because the labor is in templates, shaping, soldering and flashing.
For a materials price on copper or zinc parts, send your dimensions or drawings and ask us. The metal roof panel prices page explains the other factors.
How do you order copper or zinc parts?
Start with a question rather than an order. Tell us the metal, the parts and the dimensions, and we confirm what we can fabricate. We work from your installer’s measurements and templates and never measure on site.
- Send photos, a sketch or drawings, with dimensions taken by your installer.
- Name the metal: copper by weight, or zinc to the manufacturer’s specification, and say whether you want a pre-weathered look.
- List the parts: pans, cleats, flashing, caps, trim or liners, with quantities.
- We reply with a written quote or questions; architectural orders get shop drawings for approval.
- The finished parts are delivered in New Jersey or picked up at our shop.
The terms on your quote or invoice apply to our parts, and installation warranties come from your installer. See our warranties page, or read more about the metal roofing panels we make every day.
Request a quote
Tell us what you need: the product, the metal and finish, and your dimensions or cut list. We reply with a written quote. Delivery in New Jersey or pickup at our shop.
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Copper and zinc sheet metal questions
Can you fabricate copper or zinc for my project?
Copper and zinc fabrication is available on request, so ask us first. Send the parts list and your installer’s dimensions or drawings, and we reply with a quote or questions.
Will my copper roof turn green?
Usually, given time. Copper darkens to brown first, and the green patina forms slowly depending on exposure, so some roofs take many years and sheltered areas may stay brown. Pre-patinated copper exists if you want the green look sooner.
Can I put copper on just one part of the house?
Yes. Many owners choose copper for a bay window, an entry roof or a dormer and keep the main roof in painted standing seam. Your installer should plan the drainage so copper runoff does not reach the steel panels.
How long does a copper roof last?
Estimates from the Copper Development Association exceed 100 years for a copper roof. That is an estimate rather than a guarantee; the seams, flashing and drainage your installer builds decide how close a roof gets.
Do I need approval for a copper roof in a historic district?
If the house is in a locally designated district, usually yes. Many New Jersey towns review exterior changes through a historic preservation commission, though their power varies. National Register listing alone generally does not trigger a local review.
What is the difference between flat-lock and standing seam copper?
Flat-lock pans hook together and are soldered, which makes them watertight on low slopes, curves and small roofs. Standing seam copper has raised seams and suits steeper planes and full roofs.
Can copper touch my aluminum or steel roof?
It should not. Copper in contact with, or draining onto, steel or aluminum can corrode them, and Metal Sales’ Galvalume warranty excludes areas that get copper runoff. Your installer should separate the metals and route the water away.
Copper and zinc on request
Planning copper or zinc for a bay, porch or roof?
Send photos, a sketch or drawings with your installer’s dimensions. We tell you what we can fabricate and reply with a written quote or questions.