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The thickness of a glass fence varies widely based on its application and whether or not there are any safety requirements, but most fences are between 8 millimeters and 12 millimeters thick. 12-millimeter-thick glass is extremely strong and overkill in most cases, which is why you typically only see it around pools and in skyscrapers.

When choosing wood for a fence, consider your budget and geographic region. The most popular and common types of wood are cedar, redwood, and pressure-treated pine. Cedar is a top choice due to its natural durability, resistance to rot and insects, and budget-friendly price. Redwood is another durable, tried-and-true option, though it is typically more expensive. Pressure-treated wood, such as pine, is also a widely used and popular alternative. These materials are readily available at most hardware stores, which makes future repairs and replacements easier. Their accessibility and long-lasting performance make them excellent choices for most fence installation projects.

Whether you need a permit to build or install a fence depends on several factors, including your location, the fence's height, its placement in your yard, and the materials used. In many cities and highly populated areas, a permit is required, especially for fences taller than 6 feet. Conversely, rural areas may have fewer restrictions. Typically, backyard privacy fences 6 feet or shorter do not require a permit, while front yard fences often have a lower height limit, sometimes as low as 3.5 feet. There can also be exceptions for properties in mixed residential-commercial zones. It's best to check with your local building inspection or zoning department to understand the specific requirements, height restrictions, and location rules for your area. A professional fence installer can help you navigate this process and often secure the necessary permits for you, though this may extend the project timeline.

While they can be closer, the maximum distance between fence posts for residential fences is 8 feet. This ensures the panels are adequately supported by the fence posts. This is usually dictated by the width of the panel, which is typically between 5 and 8 feet. While narrower panels will require more posts, they’ll be lighter and easier to work with than wider panels that are the same height.