Introduction
When it comes to roofing, the choice of fasteners can significantly impact the durability and performance of the shingles. Roofers often debate between using nails or staples. In this article, we’ll provide a clear and concise technical comparison of roofing shingle fasteners, helping both technical and non-technical audiences understand the factors that influence this decision.
Roofing Nails
Technical Aspects:
-
Size: Roofing nails are typically 11-12 gauge with lengths of 1.25 to 1.75 inches. The larger the gauge number, the thicker the nail.
-
Material: Galvanized steel or stainless steel nails are common choices. These materials resist rust and corrosion, ensuring long-lasting durability.
-
Head Type: Roofing nails often have a large, flat head with a neoprene washer underneath. The washer provides water-tight sealing.
-
Installation: Nails are driven through the shingle and into the roof deck. Their holding power comes from their annular or spiral shank, which provides excellent grip and prevents backing out.
Roofing Staples
Technical Aspects:
-
Size: Roofing staples are typically 16 or 15-gauge with a 7/16-inch crown. The crown is the flat part of the staple that holds the shingle in place.
-
Material: Steel staples are common and may be electro-galvanized or stainless steel for corrosion resistance.
-
Installation: Roofing staples are usually shot from a pneumatic staple gun. They penetrate the shingle and are driven into the roof deck. Their hold on the shingle relies on the width of the crown and the barbs along the legs of the staple.
Choosing the Right Fastener
-
Nails: Nails offer superior holding power and are less likely to back out over time. They are recommended for areas with high wind exposure or for heavy roofing materials. Nails may be the preferred choice for regions with stringent building codes.
-
Staples: Staples are quicker to install, making them a preferred choice for large-scale roofing projects. They are ideal for light to medium roofing materials and situations with low wind exposure. However, some regions or building codes may not permit the use of staples due to concerns about uplift resistance.
Local Building Codes
It’s crucial to check your local building codes and regulations. Some regions specify the type and size of fasteners that must be used for roofing to meet safety and performance standards.
Conclusion
In the debate between nails and staples for roofing shingles, the choice largely depends on factors such as the type of roofing material, local building codes, and wind exposure. Nails offer superior holding power, making them suitable for areas prone to high winds or for heavy shingle materials. Staples are convenient for large-scale projects but may not be the best choice in areas with stringent building codes.
To make an informed decision, consult your local building codes and consider the specific requirements of your roofing project. The right choice between nails and staples will ensure a secure, long-lasting roof that can withstand the elements and protect your home effectively.