
Vinyl siding is a popular choice for homes due to its durability and attractive appearance. However, it requires careful installation to avoid issues such as ripples or buckling. When nailing vinyl siding, it is crucial to use the correct type of nails and the appropriate technique. This includes centering nails in slots, driving them straight and leaving a gap between the nail head and the vinyl to allow for expansion and contraction with temperature changes. Incorrect nailing can result in unsightly issues and even damage to the siding. Therefore, it is important to understand the proper techniques and materials required for nailing vinyl siding, especially when it has been trimmed to fit specific areas of a home.
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What You'll Learn

Use the right nails
It is important to use the right nails when nailing vinyl siding. Vinyl is a plastic product, so it is more malleable than aluminium or wood, especially in hot weather. Therefore, it is important to use nails that are strong and long enough to keep the siding in place.
Nails should be made of materials that are resistant to corrosion, such as cadmium-coated, galvanised steel, or aluminium. The nails should be centred and driven loosely into the nailing slots of the vinyl siding. This is because vinyl siding expands and contracts with temperature changes. Manufacturers design it to hang loosely on the nails, rather than being tightly nailed like wood siding. If nailed too tightly, the siding will not have room to expand when the weather heats up, and it will buckle and ripple.
To ensure the vinyl siding is hung correctly, there should be a gap of at least 1/16 of an inch between the nailhead and the vinyl. This will allow for easy movement and room for the vinyl to expand. Nails should be placed a maximum of 16 inches apart for horizontal siding panels, every 12 inches for vertical siding panels, and 6 to 12 inches for accessories.
Additionally, it is important to drive nails straight and level to prevent distortion and buckling of the panels. Nails should be placed in the centre of the slots at the end of each panel. This will ensure that the siding does not buckle or sag.
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Space nails correctly
When installing vinyl siding, it is important to space nails correctly to prevent the siding from buckling or rippling. Vinyl siding expands and contracts with temperature changes, so it needs to be hung loosely on the nails. Manufacturers recommend leaving a gap of about 1/4 inch between the end of the siding panel and the trim. This will provide enough room for the siding to expand.
Nails should be spaced regularly, with a maximum distance of 12 to 16 inches between them. For horizontal siding panels, nails should be spaced a maximum of 16 inches apart, and for vertical siding panels, they should be spaced every 12 inches. Accessories, such as window trim and door frames, may require a different spacing, so it is important to leave a little extra room in these spots.
When nailing vinyl siding, it is important to use the right type of nails. Galvanized steel, aluminum, or other corrosion-resistant nails are recommended. Nails should also be long enough to penetrate the siding and any underlying material, such as wood sheathing or framing. The Vinyl Siding Institute recommends a minimum nail length of 1-1/2 inches for general use, 2 inches for residing, and 2-1/2 inches for going through siding with backerboard.
It is also important to drive the nails straight and level to prevent distortion and buckling of the panels. The nails should be centered and driven loosely into the nailing slots of the siding. Face nailing, or driving nails through visible parts of the panels, should be avoided as it is unsightly and can cause the vinyl to buckle with temperature changes.
To ensure proper spacing and installation, it is recommended to follow the manufacturer's instructions for the specific siding being installed.
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Nail siding loosely
Vinyl siding tends to expand and contract considerably with temperature changes. Manufacturers design it to hang loosely on nails, unlike wood siding, which is nailed tightly. If siding is nailed too tightly, it may sound like rodents are running inside the walls when sunlight hits it. To fix this, you can loosen or cut the tight nail with a hacksaw, then renail next to the old nail, leaving a gap of at least 1/16-inch between the nailhead and the vinyl.
When nailing vinyl siding, nails should be centred and driven loosely into the nailing slots of vinyl or aluminium siding. Face nailing (driving nails through visible parts of the panels) is unsightly and will cause vinyl to buckle with temperature changes. Nails should be left slightly loose to allow for the expansion and contraction of the siding.
To nail vinyl siding, start by centring the fastener leg in the nail slot. Make sure the panel is loose so that it can move freely in a lateral direction. All panels should move freely under the fastener to allow for the expansion and contraction caused by temperature changes. Space nails a maximum of 16 inches apart for horizontal siding panels, every 12 inches for vertical siding panels, and 6 to 12 inches for accessories.
Vinyl siding can be nailed by hand with a hammer or by using a power nailer. If using a pneumatic stapler or nailer, hold it parallel to the siding panels. Place the guide into the nailing slot and shoot a fastener in the centre of the nail slots. Nails must be resistant to corrosion, such as cadmium-coated, galvanised steel, or aluminium varieties.
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Avoid face nailing
Vinyl siding is a plastic product that is highly malleable, especially in hot weather. This means that it is easy to get the nailing wrong. If the siding is nailed too tightly, it will not have room to expand when the weather heats up, causing it to ripple or buckle.
Vinyl siding is designed to hang loosely on the nails, allowing for expansion and contraction with temperature changes. Manufacturers require about a 1/4-inch play at both ends, so if it is nailed properly, it should be able to slide by 1/4 to 1/2 an inch. Nails should be centred and driven loosely into the nailing slots of vinyl or aluminium siding. Face nailing (driving nails through visible parts of the panels) is unsightly and will cause vinyl to buckle with changes in temperature.
To avoid face nailing, it is recommended to leave a gap of at least 1/16 inch between the nailhead and the vinyl to allow for easy movement. This can be done by using a pneumatic nail gun, which makes it easier to control the depth of the nail. Another method is to use a roofing nailer fitted with an adapter, which can shoot a fastener in the centre of the nail slots. This ensures that the panels move freely under the fastener, allowing for expansion and contraction.
It is important to choose the right type of nails for vinyl siding. Nails must be resistant to corrosion, such as cadmium-coated, galvanised steel, or aluminium varieties. They should be strong and long enough to keep the siding from lifting off in the wind. Most builders agree that roofing nails are best for this, with longer shanks and flatter nail heads to hold the material securely.
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Seal the cut edge
Sealing the cut edges of vinyl siding is an important step to ensure your siding is protected from the elements and has a professional finish. Here is a step-by-step guide on how to seal the cut edges:
- Measure and cut your vinyl siding corner pieces to ensure a precise fit. Use a tape measure to determine the length of each side of the corner, adding about a quarter of an inch for wiggle room.
- Use a straight edge and a sharp utility knife to make clean, accurate cuts along the marked lines. If you prefer more control, tin snips are a good alternative for cutting the vinyl.
- Double-check that all sides are even and uniform. This step is crucial for achieving a neat appearance and ensuring a proper fit.
- Apply a bead of sealant to the edges of the siding where the corner pieces will overlap. This step provides extra protection against moisture and helps prevent water damage.
- Place the new corner piece at a 45-degree angle, overlapping both sides of the siding. Ensure that all sides remain even.
- Secure the corner piece with nails. Drive the nails straight and level to prevent distortion and buckling.
- Finish by caulking around the edges. This step ensures a professional look and provides an additional barrier against water ingress.
By following these steps, you will achieve a neat and durable finish for your vinyl siding, protecting your home from the elements.
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Frequently asked questions
Vinyl siding can be nailed by hand with a hammer or by using a power nailer. Nails should always be driven loosely and centred in the nailing slots to allow for expansion and contraction.
If your vinyl siding makes a popping or crackling sound when the sun shines on it, this may be a sign that it has been nailed too tightly. Vinyl siding that is nailed too tightly will not have room to expand and contract with temperature changes, causing it to ripple or buckle.
It is recommended to use corrosion-resistant nails such as aluminium, galvanized steel, or hot-dipped galvanized roofing nails. Nails should be strong and long enough to keep the siding secure and prevent it from lifting off.
It is recommended to leave at least 1/16 inch (approximately 1.6 mm) to 1/32 inch (approximately 0.8 mm) of space between the nail head and the vinyl siding. This allows for the necessary expansion and contraction of the material.
When nailing vinyl siding, it is important to drive the nails straight and level to prevent distortion and buckling. Nails should be spaced regularly, with a maximum distance of 12 to 16 inches between them.









































