When it comes to roofing materials, the length and diameter of roofing nails vary widely. For instance, nails for asphalt shingles have a head that’s approximately three eighths of an inch, while nails for wood and metal shingles have head sizes that are approximately one-third to one-half inch longer. The same applies to roofing nails with a square cap. While the latter is more expensive, you’ll find that they’re easier to use when nailing wood shingles. steel roofing
Roofing nails can be long or short, but how long should you choose? The length of your nails depends on the material used on the roof. Some materials require longer nails for maximum waterproof protection. Others don’t need as much penetration, such as garden houses or sheds, which can use nails of less than an inch. For thicker wood shingles, a nail with a 19-mm length is recommended. While you may find that the recommended length is different for different roofing materials, there are guidelines to follow to ensure you’re not over-extending your roof’s waterproofing ability.
When installing roofing nails, it is important to remember that the length of nails you use should penetrate through the entire roofing material and roof deck. Roofing nails should penetrate a thickness of about one-eighth inch into the roof deck to ensure a secure anchorage. For wood paneling and plywood, the length of nails should be approximately one-eighth inch, while a nail that penetrates only one-eighth inch through a thick roof may leave exposed nail points.
Remember that siding nails and roofing nails are not the same. Roofing nails should never be used for siding, and the latter should never be used as a fastener for siding. Siding nails should be galvanized, which prevents rusting. Regular fasteners can also corrode when exposed to the elements, so they should be coated with a protective layer. You can buy roofing nails and siding nails at your local hardware store.
When installing shingles, always make sure to check for cracks and underdriven nails before drilling. These can result in cracks and gaps, which can be problematic for the roof’s integrity. Furthermore, if you don’t check your shingles often, these nails can eventually come out of the roof. You’ll need to replace them if they’re damaged. A properly-installed roof is both attractive and sturdy.
A plywood roof is an excellent choice for cladding facades because the layers are more durable and safer than wood. A single nail will penetrate up to three eighths of a sheet of plywood, while only a half-inch nail will do so. In addition to roofing nails, plywood is a great choice for cladding exterior walls, since it can be used both inside and outside. For the interior, use framing nails, or what’s known as box nails, if you’re installing plywood. A sinker nail will have a coating over the shank, and a waffled head.