How to Use a Roofing Nailer

Using a roofing nailer comes down to five things: load the coil correctly, set the air pressure and depth so nails seat flush, nail on the shingle's nail line, keep the gun square, and don't overdrive. Get those right and you'll nail a clean, code-worthy roof.

1. Gear up and set the air

• Wear eye protection and sturdy footwear; use roof jacks/harness as the job requires.
• Set your compressor to roughly 90–120 PSI (check your gun's spec) and add a drop of pneumatic oil if your nailer needs it.

2. Load the coil

1. Open the side canister, drop in a coil of roofing nails, and lay the first nail into the driver channel.
2. Close the door — it should latch smoothly with the nails feeding freely.

3. Set the depth on a scrap shingle

This is the step beginners skip and regret. Fire a few nails into a scrap shingle and adjust the depth dial until the head sits flush — not sunk into the mat, not standing proud. Nudge air pressure if the dial alone won't get there.

4. Nail on the line, square to the roof

• Place nails in the shingle's nail zone (the marked strip) — 4 or 6 per shingle depending on wind zone.
• Hold the gun square so the head seats flat; angled nails sit proud and won't seal.
• Use the adjustable shingle guide, if your gun has one, to keep placement consistent course to course.

5. Don't overdrive, don't high-nail

The two mistakes that cause blow-offs: overdriving (the head cuts through the mat and loses grip) and high nailing (above the nail line, so the nail misses the layer it should hold). Keep heads flush and on the line.

Bump-fire vs sequential

Sequential (one pull per nail) is best while you're learning — it's accurate and safe. Bump-fire (hold the trigger, bounce the nose) is faster for production but easier to double-fire or misplace; graduate to it once your placement is dialed.

Frequently asked questions