Installing a snow fence can be tricky if you’re unfamiliar with the process, but it’s still manageable. It involves more than just putting up the fence. You’ll need to research, plan the design, and choose the right placement.
If you plan to install a snow fence yourself, this article will guide you through everything you need to know, including key details to ensure proper installation.
| Project difficulty: Beginner to Intermediate Estimated time to complete: 6 to 8 hours Project cost: $331 |
Supplies Needed
Materials:
- Snow fence roll
- T-posts
- Plastic ties
- Steel wire
Tools:
- Post driver
- 100 ft tape measure
- String and stakes
- Scissors
- Working gloves
Snow fences come in four main types: plastic, wood, metal, and living fences. Plastic fences are light and easy to move, making them best for temporary use during big storms.
Wood fences are stronger and look nicer, making them good for areas with regular winter snow. Metal fences last the longest but need care to prevent rust. Living fences, like trees and shrubs, are a natural, eco-friendly choice that also improves your yard.
In addition, steel T-posts support most snow fences, since they’re widely used and easy to install. You can also use wood posts at corners or ends for extra strength, especially in areas with heavy snow or strong winds.
Step 1: Plan the Snow Fence
Before you start installing a snow fence, you need to plan carefully. Taking the time to identify problem areas, study wind patterns, and check property rules will help ensure your fence works effectively and avoids future issues.
Choose Where to Reduce Snow
Begin by choosing the areas where you need to control or reduce drifting snow. These might include roads, driveways, or buildings that often get buried.
Placing a snow fence near sidewalks, walkways, or other high-traffic spots can also help keep them clear and easier to maintain through the winter.
Snow fences are helpful in areas with heavy yearly snowfall, on properties where driveways or entrances often get blocked, or when you want to guide snow toward open spaces or water features where it won’t be in the way.
Study Wind and Snow Patterns
“Before installing a snow fence, I always study the natural patterns of wind and snow drift in the area. Typically, this means looking at the prevailing wind direction during winter storms and observing where snow tends to accumulate or drift year after year—such as along roads, driveways, or structures”, says Nick DiLeo, the owner of DiLeo’s Carpentry.
He added, “If possible, I’ll walk the property after a couple of storms to see the natural lay of the snow. The key is to position the fence upwind of the area you want to protect, since the fence works by slowing the wind and causing snow to drop on the downwind side.”
Pay attention to the direction of prevailing winter winds, and place the fence upwind, setting it roughly at a right angle to the wind flow. If the layout of your land makes this difficult, shorter fence sections angled slightly can still be effective.
Local weather data, past snowfall records, and even natural clues like snowdrifts or bent trees can help you figure out where snow is likely to build up. This information will guide you in deciding the best placement and height for your snow fence.
Review Property Boundaries and Local Rules
Before putting up a snow fence, make sure it’s located within your property lines. If part of the fence extends onto a neighbor’s land, get their permission first to avoid disputes.
It’s also a good idea to check with your homeowners’ association or local government to see if there are any rules about fence placement.
In some areas, local public works departments may even offer help with snow fence installation, since preventing snowdrifts with fencing is often more cost-effective than repeated plowing.
Step 2: Design the Snow Fence
Designing a snow fence isn’t just about putting up posts and panels. To make it work effectively, you must carefully plan its structure, length, and placement. The following steps cover the most important factors to consider.
Essential Design Elements
One of the most important factors in an effective snow fence is porosity, or how much open space the fence has. A fence with 40–50% open space allows wind to pass through and creates the largest snowdrifts on the downwind side, which is exactly what you want.
Another detail to consider is the bottom gap, or the space between the ground and the bottom of the fence. This gap should be about 10–15% of the total fence height. In areas with rough terrain or heavy snow, you may need to leave a little more space to prevent the fence from becoming buried too quickly.
Since snow fences are often placed in windy areas, it’s important to secure them properly. Use ties or thin wooden strips to fasten the fencing to the posts so it doesn’t loosen or blow away. The posts themselves need to be strong and stable as well. Bury the fence posts about one-third of their total height into the ground for a stable and secure hold.
By paying attention to porosity, bottom gap, wind conditions, and anchoring, you’ll end up with a snow fence that not only lasts longer but also does its job more effectively.
Choose the Right Length
When planning a snow fence, the length is as important as the height. The fence should stretch well beyond the area you want to protect because wind tends to curl around the ends, making them less effective. A good rule of thumb is to extend the fence at least 12 times its height past the protected area on both sides.
For example, if your fence is 8 feet tall, plan to extend it about 100 feet beyond the area you want to protect. If you’re protecting something critical, like a busy road, extend it even farther, around 20 times the fence height on each end, or about 200 feet for an 8-foot fence.
If space or budget is limited, you can build a shorter fence, but make sure its total length is at least 25 times its height. Any shorter than that, the wind can easily wrap around the ends, leaving the center unprotected.
Set the Right Distance
When setting up a snow fence, the distance between the fence and the area you want to protect is very important. If the fence is too close, it can actually make drifting worse instead of stopping it. Snow fences work by slowing down the wind, which causes snow to pile up on the downwind side.
Most of that snow will settle within a space about 20 times the height of the fence. In heavy snow seasons, drifts can stretch even farther, up to 35 times the fence height.
For example, with an 8-foot fence, you should place it at least 160 feet away from the area you want to keep clear. If it’s critical to prevent snow from reaching that area, like a busy road, set the fence back even farther, around 280 feet. Always measure this distance in the direction the wind usually blows.
In addition, pay attention to the direction of the wind compared to the road or structure you’re protecting. If the wind usually blows across the road, set the fence so it runs parallel to the road. If the wind tends to blow along the road, angle the fence so it faces into the wind, adjusting slightly to work with the terrain.
Determine the Snow Fence Height
The effectiveness of a snow fence depends heavily on its height, since that determines both how much snow it can manage and how far the drift will spread. “A good rule of thumb is that the drift will extend about 30 times the height of the fence. For example, a 4-foot fence will protect an area roughly 100–120 feet downwind,” explained DiLeo.
He added, “In most residential or light commercial applications, a 4- to 5-foot fence is sufficient. In heavier snow regions, I’ll go taller and use multiple rows if needed to control the drift pattern more effectively.”
A taller fence will create bigger snowdrifts, which means more protection for the space behind it. A fence between 4 and 8 feet tall is usually enough for most homes and small properties. Shorter fences are good for areas like driveways, walkways, or gardens, while taller fences are better suited for protecting open fields, roads, or buildings exposed to strong winds.
Step 3: Install the Snow Fence
Before you begin the installation, make sure you have already decided on the fence location, determined its length and height, and gathered all the necessary materials and tools for the project.
Set the Fence Post
Start by driving a T-post into the ground at one end of where you want the fence to run. Use a post driver to sink the post about one-third of its total height into solid ground for stability. Do the same at the other end of the fence line; these two posts will mark your start and end points.
Next, stretch a tight string between the two end posts to serve as a straight guide. Install the remaining T-posts along this line, spacing them about 8 feet apart. To make the end posts easier to brace and more secure, position the nearest posts within about 6 feet of them.
Keeping your posts evenly spaced, firmly set, and properly aligned will help your snow fence stand strong and work effectively against wind and drifting snow.
Attach the Snow Fence
Once all the T-posts are in place, start attaching the snow fence at one end of the line. Secure the edge of the fence to the first T-post using strong plastic ties or wire, pulling them tight so the fence stays firm against the wind.
When fastening the fence, leave a bottom gap between the ground and the fence that’s about 10–15% of the fence’s total height. For example, if you’re using a 4-foot snow fence, leave a 5- to 6-inch gap at the bottom. In areas with uneven ground or heavy snowfall, you can increase this gap slightly to prevent the fence from getting buried too quickly.
After attaching the first end, slowly unroll the snow fence along the line of posts. Keep it stretched tight and straight as you go to avoid sagging, which will help the fence stay strong and perform better against wind and drifting snow.
Secure the Fence Line
After fastening the snow fence to the first post, continue attaching it to each of the remaining T-posts one at a time. As you work your way down the fence line, keep the fence pulled tight to avoid sagging or slack between the posts.
Secure the fence to every post using plastic ties or wire, making sure the ties are secure but not so tight that they put stress on the fence material. When you reach the final post, firmly attach the end of the fence as you did at the starting post.
Once you’ve fully secured the fence, trim off any extra fencing material with a sturdy pair of scissors or wire cutters to give the installation a neat, finished look.
Install Support Wires on End Posts
After setting the end posts, attach support wires from the top of each end post to a ground anchor. Tighten the wires to keep the posts upright and stable. This helps prevent sagging and ensures the fence holds up against strong winds and heavy snow.
Step 4: Maintain the Snow Fence
After you install your snow fence, keeping it in good condition is important for it to work properly all winter. Check the anchoring system often to make sure posts are straight and secure, and tighten or adjust any that have shifted.
Look over the fence for loose ties, sagging sections, or damaged areas, and replace broken parts right away to prevent bigger problems. It’s a good idea to inspect the fence after strong winds or heavy snowstorms so you can fix issues early and keep the fence effective throughout the season.
FAQs
You shouldn’t attach a snow fence to your porch. Instead, place it out in the yard on the upwind side (the side the wind comes from). A good rule of thumb is to set the fence about 20 to 35 times its height upwind of the spot you want to protect.
For a 4-foot fence, that means roughly 80 to 140 feet away from your porch. This spacing ensures the snow drifts form in the yard, not against your door.
“The best time to put up a snow fence is well before the first major snowfall—ideally in early to mid-fall, once the ground is still workable but before it freezes,” says Nick DiLeo.
He added, “That way, the fence posts can be driven in securely, and the system is ready to perform for the first snow event of the season. Installing too late, once the ground is frozen or snow has already fallen, makes the job much more difficult and less effective.”
You can put up a snow fence in the winter, but it’s not the best time. Once the ground is frozen, getting posts in is tough, and if big drifts have already formed, the fence won’t work as well.
That’s why it’s better to install it in the fall or early winter, before the ground turns solid and before heavy snow arrives. This way, the fence can do its job of catching snow and keeping it from piling up where you don’t want it.
Some good alternatives to traditional snow fences include living snow fences, which are rows of trees, shrubs, or tall grasses planted as natural windbreaks.
These slow the wind and cause snow to settle in designated areas. They are often more cost-effective than structural fences and provide extra benefits like shade, wildlife habitat, and erosion control.
To take down a snow fence after winter, start by removing any clips, wires, or fasteners that hold the fencing to the posts. Roll up the fence as you go so it doesn’t get tangled. Then, pull the posts out of the ground, either by hand or with a tool like a post puller if they’re stuck.
Once everything is taken down, store the fence and posts in a dry place so they stay in good condition for next season. You can also check our article on removing T-posts for more guidance on pulling posts out of the ground.
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Main Image: Orange plastic mesh snow fence in winter. Photo Credit: vaakim / Adobe Stock
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