Do fences need concrete footings?
There are many ways to build a fence and likewise, there are many options in materials; from wood to vinyl or concrete block to metal. Most would think that a footing is only necessary for a concrete block wall/fence. The truth is, if you want a fence that is going to last, a concrete footing is a must!
Can I drill into concrete fence posts?
It is possible to drill into a concrete fence post. With the proper tools and approach, it’s easier than you might think. There are some necessary things to take into consideration before you start drilling, such as the type of drills you will need and the specifications of your posts.
How deep should a concrete fence spur be?
Lawsons experts recommend you should dig a hole which has a depth of 2 ft (24 in / 600mm) to ensure you have a stable timber or concrete fence post.
What is a fence Spur?
Concrete Repair Spur are used to support fence panels by bracing or repairing an existing fence. The purpose of repair spurs are to repair timber fence posts that have rotted at the base.
Do fence posts need rebar?
All end and gate posts must be filled with concrete and 2 pieces of 1/2′ rebar for maximum strength and performance. The Rebar Separator Clip will assure that the rebar inside the post is positioned in opposing corners of the post and is held in a vertical position.
How deep should the foundation of a fence be?
The Fence Foundations. The post holes need to be the correct depth. This is a minimum of 600mm (2ft) and in most cases the hole depth will be deeper. Longer or heavy duty posts should be used in areas exposed to wind or soft ground conditions.
How wide is the slot in a concrete fence post?
If slotted concrete posts are already set in the ground it is necessary to lift panels the full height of the posts in order to drop them into the slots. The slots are typically 50mm wide which is wide enough to accept most timber fence panels.
Is 2 feet deep enough for fence posts?
The depth of the hole should be 1/3-1/2 the post height above ground (i.e., a 6-foot tall fence would require a hole depth of at least 2 feet).
How long do concrete post last?
Concrete is as sturdy and durable a building material as you’ll find. With just a minimal level of maintenance, concrete fence posts can last for around 25 years. However, they are not immune to wear and tear. Over time, wind and rain can cause concrete posts to chip and crack.
What size Spurs to fix?
A repair spur is an alternative to complete replacement and can even be used on new fences if using wooden posts. Repair Spurs are available in two sizes: 1.2m x 100mm x 100mm or 1m x 75mm x 75mm.
Are concrete Spurs good?
In some situations they are the best answer if you have a run of feather edge fencing with post that are rotten it is the cheapest option, rather than replacing the fence and if done properly the fence should last a lifetime. The only reason people do not use them is the look and they take up some room.
What is a concrete spur?
Concrete Repair Spurs are used to repair broken or rotted fence posts or they can also be used for bolting posts or timber frame work above the ground.
How deep should a concrete spur be repaired?
To fix the spur a hole must be dug out on one side of the fence approximately 2 feet in depth. A demolition bar may be required if the pervious concrete mix is hard to break when digging. Once the hole has been dug, check the bottom of the hole is level so the spur sits flat.
Do you need to set fence posts in concrete?
No, fence posts don’t need to be set in concrete, and there are plenty of other ways to fix your posts if this feels a bit too permanent. If you are using wooden posts, concrete may actually be the worst option.
Can you put too much rebar in concrete?
Cracking occurs when the reinforcement places too much strain on the drying concrete, causing it to fail to accommodate shrinkage. In contrast, honeycombing occurs during the formation process when concrete fails to pour between the rebar gaps, resulting in air pockets in the structure.
How far apart should rebar be in concrete?
Place rebar in a grid pattern with a spacing between bars of approximately 12 inches. In either case, blocks should be used under the reinforcement to keep centered within the concrete.
How deep and wide do footings need to be?
The minimum depth of footings below the surface of undisturbed soil, compacted fill material or controlled low strength material (CLSM) shall be 12 inches (305 mm). Where applicable, the requirements of CBC Section 1809.5 shall also be satisfied. The minimum width of footings shall be 12 inches (305 mm).
Does a 2m high fence need planning permission?
Planning permission is generally required if the fence is higher than 2 metres – and potentially as low as 1 metre if the fence is by a road. You can also apply for retroactive planning permission, if your fence accidentally exceeds regulations, or if another person can raise reasonable objections.
How deep should a 7 foot fence post be?
How Deep Should a Fence Post Be? For an average fence post, about 6 to 8 feet tall, prepare to dig a post hole about 2 feet deep. To install a fence post, you’ll need a shovel or post digger, a 6-foot level, soil, and gravel or crushed stone.
How deep is the groove on a concrete fence post?
As a rough guide the hole should be a minimum 1/3 the height of the fence, so a 6 foot fence would need an 8 foot post in a 2 foot deep hole. Similarly, the hole should be three times the diameter of the post.
