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When considering how much of a gap should be under a fence or gate, a good rule of thumb is to keep gaps between 2 and 5 inches tall. This allows for some ground clearance for the gate but still provides safety for children and pets, who shouldn’t be able to squeeze through a gap of that size.

Concrete is one of the easiest, most cost-efficient, and most effective ways to stabilize a fence post. To stabilize a fence post with concrete, you’ll dig a hole around the post in question and fill it up with concrete—easy as that. Concrete lasts about 50 years on average, so it’s a long-term solution.

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.

The lifespan of a picket fence largely depends on its material. Wooden picket fences typically last 10 to 15 years with regular maintenance, while vinyl and composite picket fences can last 20 to 30 years or more due to their resistance to weather, rot, and pests. Metal picket fences often exceed 30 years, especially when properly coated to prevent rust or corrosion.