The depth of your post hole depends on your post length. If you decide on a two-rail fence, the posts are likely 6 feet long. You want your hole to be at least 1/3 of the post length. In this case, your post hole should be two feet deep.

If you opt for a three-rail fence, the posts will typically be 7 feet long, meaning your post hole should be 28 inches deep.

A high-quality wrought iron fence is one of the most durable options available and can last a lifetime, or even centuries, with proper care. However, wrought iron is susceptible to rust and corrosion if not maintained.

To maximize its lifespan, regular maintenance is required. This includes:

• Cleaning the fence with soapy water every six months.

• Scrubbing away any rust or corrosion as soon as it appears.

• Applying a new coat of paint or refinishing the fence every few years to protect the metal from moisture and oxygen. The recommended frequency varies, with sources suggesting anywhere from every 1 to 10 years.

If significant rust develops, it's wise to hire a professional fence repair company to clean the rust and reseal the fence. The cost to refinish a fence is typically between $5 and $12 per square foot, a worthwhile investment to ensure its longevity.

A silt fence should be buried in a trench that is 6 to 12 inches deep. A depth of at least 6 to 8 inches is necessary to prevent water and sediment from running underneath the fence. A deeper trench, up to 12 inches, provides better anchoring during wet and windy weather. To ensure proper installation, look for a red line on the silt fence fabric, which often indicates the correct burial depth. Always adhere to local guidelines and regulations; a professional contractor will be familiar with these requirements.

While cedar and pine are two of the most common wooden fence materials, everything from redwood to bamboo is also available. You can also purchase pressure-treated wood, which better withstands water damage and the threat of pests. The best wood for your fence will come down to your budget, local climate, and preferred look.