AeroPro CN45N Professional Roofing Nailer - Fast, Lightweight

In this review of the AeroPro CN45N roofing nailer, the bottom line is straightforward: this tool is aimed at professional roofers and serious DIYers who need a fast, lightweight nailer that keeps crews moving. The CN45N stands out for its combination of speed and balance, driving up to three nails per second while weighing just 5.5 lbs, which reduces fatigue on long reroofing days. Our review found it delivers consistent results on asphalt shingles and insulation boards while offering easy upkeep, though a small number of users reported mixed functionality and early durability issues.

Key Features

• Fast nailing: Drives up to three nails per second to speed up shingle installation and other roofing tasks without sacrificing placement accuracy.
• Operating range: Works between 70 and 120 PSI so it adapts to different jobsite air setups while maintaining consistent drive depth.
• Lightweight design: At 5.5 lbs the nailer is easier to handle for long shifts, reducing operator fatigue and improving control on angled surfaces.
• High-capacity magazine: Side-loading magazine holds around 120 nails, cutting reloads and downtime on larger roof runs.
• Reduced recoil: Recoil-reduction technology minimizes kickback for more comfortable, controlled nailing and fewer misfires.
• Serviceability: Built for straightforward maintenance so teams can clean and replace parts quickly to keep the tool in service.

Who It's For

The CN45N is best for professional roofing contractors, crews working full days on steep or large roofs, and experienced DIYers tackling extensive shingle or insulation installs; the combination of speed and a lighter weight makes it a practical choice for high-volume work. Its proven reliability on many job sites and favorable comparisons to higher-cost competitors make it attractive where uptime and cost-per-use matter.

Those who should look elsewhere include occasional users who need a multi-purpose nailer for varied fastener types beyond roofing, and buyers seeking a guaranteed flawless first-use record; some customer reports show mixed functionality and rare early failures, so buyers wanting absolute zero risk may prefer a tool with a longer documented service history in their exact use case.

Pros & Cons

Pros

• Lightweight 5.5 lb body reduces fatigue and improves balance for extended roofing shifts.
• High nailing speed up to 3 nails per second boosts productivity on large roofs.
• Side-loading 120-nail magazine reduces downtime between reloads for continuous work.
• Easy maintenance and durable construction deliver good long-term value for crews.

Cons

• Functionality and durability reports are mixed among users, with some experiencing issues early in ownership.
• Limited to 15 degree roofing nails and roofing-specific applications, so it is not a general-purpose nailer.

Specifications

Brand	AeroPro
Model	CN45N
Weight	5.5 lbs
Operating pressure	70-120 PSI
Nail size	7/8 in to 1-3/4 in, 15 degree roofing nails
Magazine capacity	Approximately 120 nails (side-loading)
Drive speed	Up to 3 nails per second

Our Verdict

The AeroPro CN45N is a strong choice for professionals who need a fast, well-balanced roofing nailer that reduces fatigue and keeps crews productive. It delivers good value through its speed, high-capacity magazine, and serviceable design, though buyers should be aware of mixed reports on early durability; for steady roofing work it represents a practical, cost-conscious alternative to higher-priced rivals.

Frequently Asked Questions

What nail sizes does the CN45N accept?
The CN45N takes 7/8 in to 1-3/4 in 15 degree roofing nails designed for asphalt shingles and related materials.

How much air pressure is required?
It operates between 70 and 120 PSI, so confirm your compressor and hose setup can hold pressure in that range for consistent performance.

Is it good for long workdays?
Yes; at about 5.5 lbs and with reduced recoil technology, it is designed to lower fatigue during extended roofing shifts.