Metal vs Shingle Shed Roof: Cost, Lifespan, Noise

Last updated October 16, 2026

Shingles are the cheaper, easier choice for most closed storage sheds and the only easy one for a hip roof. In the metal vs shingle shed roof choice, metal wins on lifespan, weight and snow shedding, and it can go on purlins without a roof deck. Both work on a gable or lean-to if the pitch suits the product.

Metal vs shingle shed roof at a glance

Cost and lifespan numbers here are rough, commonly quoted ranges, not promises.

	Asphalt shingles	Exposed-fastener metal panels
Deck under it	7/16 in OSB or plywood plus felt	Purlins, or OSB plus synthetic underlayment
Lowest pitch (typical)	2/12, double underlayment below 4/12	Often 3/12, lower only with sealed laps per the maker
Roofing weight	About 275 to 425 lb per 100 sq ft	About 85 to 120 lb per 100 sq ft for steel
Lifespan often quoted	15 to 30 years	30 to 50 years or more
Hip roofs	Easy	Harder: angled cuts and hip caps
Rain noise	Quiet	Loud over open purlins, quiet over a deck
Tools	Hammer or nailer, utility knife, chalk line	Drill, metal snips, chalk line

Both weight rows come from Englert, a metal roofing maker. Check the weight per square on your own panel’s spec sheet.

What a 10×12 shed roof takes either way

The 3DSHEDPLANS 10×12 gable shed plan has a 6/12 roof with 8 in eave and 4 in rake overhangs. That is about 159 sq ft of roof: two planes about 6 ft 4 in from eave to ridge and 12 ft 8 in long.

Part	Shingle roof	Metal roof on purlins
Deck	7 sheets of 7/16 in OSB	8 2x4x14 purlins, 4 rows a side
Underlayment	1 roll of 15 lb felt	None over open purlins
Roofing	7 bundles of 3-tab shingles	About 10 panels of 36 in coverage, about 6 ft 6 in long
Edges and ridge	Drip edge, ridge cap from shingle tabs	Eave trim, rake trim, ridge cap, foam closures
Fasteners	Roofing nails	Gasketed metal roofing screws

The shingle column is our 10×12 shed material list. The metal column is arithmetic: 12 ft 8 in of roof length over 3 ft of panel coverage is 4.2, so 5 panels a side. The purlins run 12 ft 8 in, so buy 14 ft boards. Your panel maker’s coverage width and stock lengths decide the real count.

Which costs less?

Shingles usually do. These are rough estimates for the 10×12 roof above. Prices vary by region and month, and exclude tax, delivery and tools:

Roof option	What it includes	Rough 2026 US material cost
Shingles	7 OSB, felt, 7 bundles of 3-tab, drip edge, nails	$400 to $620
Metal on purlins	8 purlins, 10 panels, trim, closures, screws	$450 to $850
Metal over OSB	7 OSB, synthetic underlayment, panels, trim, screws	$650 to $1,100

Metal on purlins comes closest because it skips the OSB and felt. Trim is the hidden cost: eave, rake and ridge pieces for a small roof can cost nearly as much as a few panels. On a hip roof, metal costs more again, since the angled cuts leave offcuts you cannot reuse.

Does roof pitch decide it?

The Asphalt Roofing Manufacturers Association lists 2/12 as the lowest slope for asphalt shingles, and from 2/12 to 4/12 it calls for two layers of underlayment. Its lower-slope shingle guide shows the lapping. Below 2/12, use a low-slope product such as roll roofing or a membrane rated for that slope.

For exposed-fastener metal panels, one maker’s install guide sets 3/12 as the minimum. Other makers allow lower slopes only with sealant tape in the side laps. The guide for your exact panel profile is the one to follow.

Our 8×12 lean-to shed plan material list runs the roof at 3/12, which suits shingles over double felt (2 rolls instead of 1) or metal panels rated for 3/12. Gable and hip plans at 6/12 suit either. The shed roof pitch guide has the angle and rafter tables.

Weight, wind and snow

Steel panels weigh about a fifth to under half of what shingles do, and metal on purlins also drops the OSB deck. On the 10×12, shingles alone add very roughly 440 to 680 lb, and 7 sheets of 7/16 in OSB add a few hundred more. Steel panels add about 140 to 190 lb.

Less weight means less load on the rafters, but it also means less weight holding the roof down in wind. A metal roof on purlins is only as strong as its connections. Fasten each purlin at every rafter with two 3 in exterior structural screws or the fasteners your panel guide lists, keep the hurricane ties at each rafter to the wall that the plan calls for, and follow the panel maker’s screw pattern. Ask your local permit office what wind and snow loads apply where you live.

Metal sheds snow, but the rafters still carry drifts. Our generator checks 2×4 rafters to a 30 psf ground snow load, so in heavier snow areas use deeper rafters and check your local permit office. Check any rafter change with the American Wood Council span calculator.

A steep metal roof drops its snow all at once, so keep doors and paths out from under a metal eave or add snow guards.

Hail, heat and looks

• Hail. Large hail can dent thin metal panels and knock granules off shingles. Some shingles and panels carry an impact rating; check the label if hail is common where you live.
• Heat. Light-colored metal reflects more sun, so the shed stays cooler than under dark shingles.
• Rust and coatings. Bare galvanized steel, Galvalume and painted panels each age differently. Painted panels hold their color longest, and cut edges are where rust starts.
• Shingle type. Architectural shingles cost more per bundle than 3-tab, but carry higher wind ratings on the wrapper and look closer to most house roofs.
• Looks. Shingles can match the house roof exactly. Metal comes in many colors, but a ribbed panel will read as a farm or shop look next to a shingled house.

Standing seam, the metal roof with hidden clips, costs more and needs special tools, so most shed builders use exposed-fastener panels.

How to put a metal roof on a shed

You have two deck choices:

• Purlins only. Lay 2×4 purlins flat across the rafters at the maker’s spacing. On the 10×12 that is a row at the eave, then 24, 48 and 72 in up the slope, which puts the top row about 4 in below the ridge for the ridge cap screws. This suits an open lean-to or a woodshed. Avoid 1×4 purlins unless your screws and the panel guide allow them, since thin boards hold screws poorly.
• OSB plus underlayment. Sheathe as for shingles, lay synthetic underlayment, then screw the panels through. Use it on a closed shed that stores tools.

Then work in this order:

1. Screw on the eave trim.
2. Lay foam closure strips on sealant tape along the eave so the panel ribs are sealed.
3. Square the first panel to the eave at the downwind end, with the overhang the maker lists, usually 1 to 2 in.
4. Lap each next panel over the last so the lap edge faces away from the usual wind, and screw it in the maker’s pattern. Rip the last panel to width or let it overhang the rake only as far as the maker allows.
5. Add the rake trim, the outside closures at the ridge and the ridge cap.

Wear gloves for the sharp edges and eye protection when cutting. Cut with snips or a nibbler, not an abrasive wheel, which burns the coating. Work from a ladder at the rakes where you can. If you must step on the roof, step only on the flats over a purlin, in soft-soled shoes, and never on wet panels.

Bare metal over a closed shed has two downsides. Condensation forms when warm, damp air meets cold steel at night and drips onto stored gear; see our shed ventilation guide, or buy panels with a factory felt backing sold as drip-stop panels.

Common mistakes with metal:

• Overdriving screws. The rubber washer should just bulge at the edge of the screw head. Crushed washers crack and leak.
• Treated lumber against the steel. Some lumber treatments corrode galvanized and Galvalume steel. Use untreated purlins or a barrier, per the panel maker.
• Leaving filings. Brush off the metal shavings from drilling and cutting the same day, or they rust-stain the paint.

Installing shingles on a shed

Shingles go on the way our plans show: 7/16 in OSB on rafters at 16 in on center, drip edge at the eaves, felt, drip edge over the felt at the rakes, a starter course, then shingles with the nail count the maker prints on the wrapper. Our shed roof building guide walks through each layer.

On the 8×12 hip roof shed plan, shingles are trimmed along each hip with a utility knife and capped with cut tabs, which is far simpler than angled metal panels. Fixing a crooked course means pulling a few nails, not replacing a panel.

On an open, windy site, edge shingles can lift before the sealant strips bond; add dabs of roofing cement where the wrapper shows. Roofs under trees can grow moss, so keep branches trimmed back.

Maintenance and lifespan

• Metal: check the screws every few years and replace any with cracked washers using the next size up. Clear leaves out of the panel ribs.
• Shingles: look for lifted or missing tabs after storms and reseal them. Watch for granules piling up at the eave, a sign the shingles are wearing out.
• Both: in cold areas, ice can build up at the eave. A strip of self-adhering ice and water membrane under the roofing at the eave helps; ask your local permit office if it is required where you live.

Which roof should you pick?

Pick shingles if you want the lowest material cost, a match with your house, a hip roof, or your first roof.

Pick metal if snow is heavy where you live, the shed is open or used as a woodshed, you want the longest-lasting roof, or you want to skip the roof deck.

Some towns and HOAs limit roofing color or material. Rules vary, so check your local permit office and your HOA before you buy.

What we checked: shingle slopes from ARMA, the 3/12 metal minimum from the HPM panel guide, weights from Englert, spans from the AWC calculator, and roof parts from our 10×12 gable and 8×12 lean-to material lists. Costs and lifespans are estimates.

Plans that fit

Every 3DSHEDPLANS plan is a PDF with 3D step-by-step drawings, rafter cuts and a full material list for a shingle roof. The framing also takes metal panels on the purlins or deck your panel maker calls for.

• 10×12 gable shed plan: 6/12 roof, the roof in the tables above.
• 8×12 lean-to shed plan: a 3/12 roof, fine for either.
• 12×18 lean-to shed plan: a long single-slope roof for full-length panels.
• 8×12 hip roof shed plan: a hip roof best done in shingles.

Want to see the roof steps before you buy? Download the free 10×12 gable shed plan PDF, browse all gable shed plans, or see every size on the shed plans page.

Frequently asked questions

Is a metal roof cheaper than shingles on a shed?

Not usually. On a 10×12 gable shed, a rough estimate is $400 to $620 for OSB, felt and shingles, and $450 to $850 for metal panels on purlins with trim. Metal over OSB costs more again. Prices vary by region and month.

Can you put a metal roof directly on shed rafters?

Not directly. Exposed-fastener panels are screwed to purlins, boards run flat across the rafters at the spacing the panel maker lists, often 24 in. On a closed shed, many builders sheathe with OSB and synthetic underlayment instead to stop drips and rain noise.

What is the lowest pitch for a shingle or metal shed roof?

Asphalt shingle makers list 2/12 as the minimum, with a double layer of underlayment from 2/12 to 4/12. Many exposed-fastener metal panels call for 3/12 or steeper unless the side laps are sealed. Follow the install guide for your exact product.

Is a metal shed roof loud in the rain?

Over open purlins with nothing under it, rain on bare metal is clearly louder than on shingles. Over OSB and underlayment the difference is small. Insulation under the deck quiets it further.

Which roof is better for a hip roof shed?

Shingles, for most DIY builders. A metal hip roof needs angled panel cuts and a hip cap on every hip, while shingles are trimmed with a utility knife and capped with cut tabs. A gable or lean-to roof is the easiest place to use metal.