Joined in 2023 
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Our choice for the strongest and easiest way to join two 4×4 posts is a half-lap joint that is glued, plated, and bolted. Cutting a half lap into an existing fixed post is easier than all other cuts, except the butt joint. The two required cuts per post are simple and doable even with limited space. To remove this kind of removable fence post, you would need to remove any fence that is installed on it and then use two wrenches to loosen and remove the bolt. Easy to Manufacture from Readily Available Materials There are many reasons to join 2 4x4s together. Making a post longer, cut too short, repairing a post, building a longer piece for a skid, and post-to-beam connections are the most common reasons. Extend Posts
If the original fence posts are painted then you will need to paint the extensions to match. You can do this before you attach them, but I think they are easier to paint after they are already attached. Make sure that you choose a day that is sunny and there is no rain in the upcoming forecast. You should paint the extensions with the same steps that the original posts were painted, to ensure that they look as exact as possible. 8. Your Fence Is Ready For PanelsCareful and accurate measurement and cutting are needed so structural integrity isn’t compromised. Do not overcut either the vertical or horizontal cuts, or you create a shear line. Two other reasons rest on transportation and availability issues. Carrying and connecting two 8-foot lengths is easier than transporting a 16-foot length, especially if traversing woodland trails. The availability of long 4x4s at many small suppliers is often limited due to low demand, making splicing a necessity. Repair There are several options for removable fence posts on the market, and one of them might well meet your needs. However, commercial options are often more expensive, more complex and have a longer lead time. So, if you just need a simple, fast solution, it’s sometimes better to manufacture it yourself. Removable Fence Post Sleeves
To make a half-lap joint, measure to find the centerline of the two pieces and mark both sides at the end and near where the cut will end to form the seat. Measure from the end and mark the desired length of the cut and mark it on both sides and pieces. While the depth is always half, the length of the cut will depend on use and compliance with local building codes. For increased strength, apply construction adhesive to the cut faces and connect with 1/2″ or 5/8 inch through-bolts with washers or through the steel plates.It’s very important that you don’t fill the center of your sleeve with concrete or gravel, though because this is where you will set your removable fence post when it’s in position.
The simplest way to create a removable fence post in areas that don’t get snow and ice in winter is to cast a sleeve into the ground and then use that sleeve to house the post when it’s in position. Weatherables is known for creating pragmatic and minimalist sleeves for people on the go, and its line of weatherable 4x4 fencepost sleeves definitely falls in line with that reputation. The weatherable 4x4fence post sleeve is good for a lifetime warranty and it fits perfectly. Make sure this fits by entering your model number. Further, it is manufactured from premium - quality, durable pvc vinyl maintenance free. Joining 4x4s for horizontal use instead of vertical use is done in a similar way. The orientation of the cuts should maximize lateral strength while preventing the retention of penetrating moisture. The stresses applied to the skid will also affect the type and orientation of the connection. A pull force versus a downward force affects the joint differently. Post to Beam ConnectionIf your fence is made with metal poles, you can find metal pole extenders that will slip right into the fence posts, like these extenders at Home Depot.
To connect the Simpson Strong-Tie (SST) or other pre-drilled plates to the 4x4s, align and level the posts with the plates and clamp everything tightly together. Some plates have a mid-line set of holes that can align with the joint and still have enough holes for screws. Off-set opposing plates by 1/2 the distance between rows of holes, that will make it easier to fasten them. Use appropriate fasteners like SST #9 x 2-1/2” structural-connector screws to attach the plates to the posts. Finding extenders for concrete posts may be a little tougher than other materials. Extenders for concrete posts will be made of metal, wood, or vinyl. They should look like these. They will be slotted on either side, so that fence panels will slide in and fit snugly. It comes with a 20-year post-replacement guarantee, so you can rest assured that your posts are protected for years to come. Wind loads and other lateral forces may need to be considered when orienting the direction of the lap. A connection with cuts perpendicular to the force is stronger than those parallel to the stress. When splicing four corner posts to support a roof structure, it may be recommended to alternate the orientation of the lap. To further strengthen half-lap joints use a construction grade adhesive like Liquid Nails or Loctite PL Premium. They are rated for interior-exterior use, waterproof, paintable, and even cure in sub-zero temperatures. We suggest fitting the joint together and clamping it in place, and then drilling the holes.The best way to join two 4x4s to extend a post is with a half-lap. The simple cuts make it ideal for a beginner or pro to make, and it’s easier to do in limited space. Adding glue, plates, and bolts increases the lateral and twist resistance to form a very strong connection. A hollow 10” to 24” metal pipe, 1” to 1-1/2” in diameter, inserted into a hole drilled vertically into the center of the ends of the two 4×4 to be butt joined, provides additional lateral reinforcement. The pipe is secured into the vertical holes with construction adhesive. Two 1/2″ through bolts are inserted into the top and bottom post pieces in holes bored through the wood and pipe. The fence post options for a removable post like this are nearly endless. You could use this as a fence post for demountable panels or as a bollard. You can make your post any size you like as long as you can find the right size pipe for your sleeve too, and you can make your removable fence post any height you need for the job at hand.
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