Cordless vs Pneumatic Roofing Nailer
Short answer: buy pneumatic if you're shingling whole roofs or want the lowest cost and lightest gun; buy cordless (the DeWalt DCN45RN) if you want hose-free freedom for repairs and small jobs. Most pros own a pneumatic and keep a cordless as a second gun.
Side by side
| Pneumatic coil | Cordless (20V) | |
|---|---|---|
| Weight | ~5.5 lb (light) | ~7 lb (battery onboard) |
| Price | ~$230 | ~$400+ (plus batteries) |
| Setup | Needs compressor + hose | Grab and go |
| Speed on big jobs | Fastest (bump-fire) | Very good, slightly behind |
| Best for | Full roofs, all-day production | Repairs, small jobs, remote spots |
Where pneumatic wins
On a full tear-off, a light pneumatic bump-firing across a course is still the fastest, cheapest way to nail a roof — and the gun stays light in your hand all day. If you already own a compressor, the running cost per nail is basically nothing. This is why crews still run air.
Where cordless wins
No compressor, no hose, no gas — you climb the ladder and go. For repairs, small sections, and spots the hose won't reach, a cordless like the DeWalt DCN45RN is genuinely liberating, especially if you're already on the DeWalt 20V platform.
What most pros actually do
Own both. A pneumatic as the production workhorse and a cordless in the truck for punch-list and repair work. If you can only buy one and you're doing full roofs, buy pneumatic; if you're a handyman or DIYer doing repairs, the cordless convenience may be worth the premium.
Frequently asked questions
Are cordless roofing nailers as good as pneumatic?
For repairs and small jobs, yes. For all-day production roofing, pneumatic is still lighter, cheaper, and preferred by most pros.
Is cordless slower than pneumatic?
Slightly, on big fields — but the difference is small, and cordless saves the setup and hose-dragging time on smaller jobs.
Which is cheaper to run?
Pneumatic, if you own a compressor — the air is essentially free. Cordless costs more up front and for batteries.