Best Underlayment Nails for Nail Guns for Roofing and Siding Projects
Choosing the right underlayment nails is essential for fast, secure roofing, siding, and underlayment installations. This guide reviews five top options from trusted brands, highlighting compatibility, drive performance, and ergonomics. Each pick is evaluated for use with common nailers, coil systems, and cap nailers to help you select nails that deliver steady, long-lasting results on American job sites.
Product Overview
| Product | Brand | Key Benefit |
|---|---|---|
| BOSTITCH Coil Siding Nailer, N66C | Bostitch | Adjustable depth; lightweight aluminum body |
| STINGER CN100B Pneumatic Cap Nailer | STINGER | Fast roofing underlayment installs; high cap storage |
| Dotool Roofing Nailer CN45C | Dotool | Wide shingle guide; durable aluminum; easy jam release |
| BHTOP CN45N Roofing Nailer | BHTOP | Low recoil; dual carbide inserts; versatile nail range |
| meite 14 Gauge Concrete T Nails | meite | Corrosion-resistant galvanized finish; 2-1/2″ length |
These selections cover coil siding nails, cap nails for roofing underlayment, general roofing nails, and concrete nails for substructure work. All are designed for compatibility with standard pneumatic nailers and offer features to improve accuracy, speed, and durability on rough job sites.
Bostitch Coil Siding Nailer N66C: Durable and Adjustable

The BOSTITCH N66C coil siding nailer features a lightweight aluminum body designed for durability in rough outdoor conditions. It drives wire weld and plastic inserted coil nails, making it suitable for siding and underlayment jobs. An adjustable depth guide lets users set nail depth quickly for consistent installation, reducing the need for rework. This tool is well-regarded for its balance of power and ease of use in long days on a job site.
Key considerations for this option include its compatibility with a wide range of coil nails, depth-adjustment precision, and overall tool weight. For projects prioritizing quick installation and shallow-to-medium nail depths, the N66C provides reliable performance with minimal operator fatigue.
STINGER CN100B Cap Nailer: Fast Roofing Underlayment

The STINGER CN100B is a light 4.9 lb pneumatic cap nailer designed to install roofing underlayment and house wrap with caps and nails. It offers faster installation by holding 200 caps and 200 nails, reducing reloads on busy work sites. Features include bumpfire and sequential firing modes, 360° tool-free exhaust, and a tool-free depth of drive for quick customization. The compact profile and dual firing options help ensure clean, even coverage on varied roof pitches.
Considerations for this model include its cap-nail compatibility, reload efficiency, and firing modes. It’s particularly useful for roofing crews focused on speed and consistent cap-nail placement in underlayment and weatherproofing applications.
Dotool CN45C Roofing Nailer: Versatile Coil Nailer

The Dotool CN45C is a 15-degree roofing coil nailer designed for versatility across roofing, underlayment, and siding tasks. It features a wide adjustable shingle guide for precise spacing and a magazine capacity of 120 nails, with side-loading for quick reloads. The tool uses a durable aluminum body and a jam-release mechanism, combined with sequential mode triggers for accurate nail placement. It’s a solid option for professionals tackling varied roofing and sheathing jobs.
Key considerations include magazine capacity, ease of maintenance, and the ability to handle different nail and shingle configurations. The CN45C supports efficient workflows by simplifying reloading and placement in challenging roofing scenarios.
BHTOP CN45N Roofing Nailer: Comfortable And Powerful

The BHTOP CN45N is a 15-degree coil nailer designed for roofing and siding applications. It accepts 3/4″ to 1-3/4″ wire collated nails, with a 120-nail capacity. The tool emphasizes low recoil via a moving cylinder engine and offers dual carbide inserts on the steel contact for reduced wear. It’s ideal for tasks requiring consistent nail depth and solid drive across varied roofing materials, from asphalt shingles to cedar shakes. The ergonomic grip and durable construction support extended use.
Important factors include recoil management, wear resistance, and compatibility with 15-degree nails. For crews prioritizing comfort during long sessions and reliable drive on diverse underlayment substrates, this option provides a balanced performance.
Meite 14 Gauge Concrete T Nails: Heavy-Duty Concrete Fasteners

The Meite 14 gauge concrete T nails are designed for pneumatic concrete nailers, offering a galvanized finish for corrosion resistance and long-term durability in harsh construction environments. Each box contains 400 nails with a 2-1/2 inch length, suitable for heavy-duty fastening on concrete subfloors, pillars, and other structural elements often found in underlayment and sheathing projects. The chisel tip provides strong grip in concrete substrates, helping prevent pull-out under load.
Considerations include length compatibility with your concrete nailer, corrosion protection, and load capacity. For projects involving concrete substrates beneath underlayment or structural work, the 2-1/2″ nails deliver reliable anchorage with solid resistance to wear.
Buying Guide: Key Purchase Considerations
When selecting underlayment nails for nail guns, consider these factors to ensure optimal performance and long-term results:
- Substrate and application: Match nail type (coil, cap, or concrete) to roofing, underlayment, or siding tasks. For roof sheathing and underlayment, coils and caps help speed up installation.
- Degree and length: 15-degree nails are common for roofing; coil nails with appropriate lengths (3/4″–2-1/2″) suit most underlayment needs. Ensure nails are compatible with your nailer.
- Material and finish: Galvanized or weather-resistant coatings protect against corrosion in outdoor environments, extending life in exposed installations.
- Depth and drive consistency: Adjustable depth guides and reliable drive systems minimize uneven nail embeds and potential material damage.
- Weight and ergonomics: Lighter tools with comfortable handles reduce fatigue on long jobs, improving precision and productivity.
- Reload efficiency: Higher-capacity magazines or combined cap-and-nail systems reduce reloads, accelerating installation on large projects.
- Maintenance and service: Look for tools and nails with good after-sales support, warranties, and clear instructions to minimize downtime.
In practice, a balanced mix of coil nails for fastenings, cap nails for weatherproofing, and a reliable set of compatible concrete nails can cover most installation scenarios from roof felt to siding underlayment. Consider your typical job sites, climate, and substrate variety when choosing five to seven primary nail options for any given toolkit.