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Industry Leading Durability
With an outdoor life of at least 10 years, our sign posts certainly are the most durable in the market. U-channel sign posts look brand new even after years of exposure to sun, wind, and weather abuse. Baked-enamel coating extends the life of posts and makes them rust-proof.
USAÃ¢ÂÂs Oldest Traffic Sign Post Manufacturer
Family owned since 1918, we take immense pride in our sign posts. Being one of the oldest certainly means we know this business in and out. Our South Dakota factory is the oldest manufacturer of metal signs and sign posts in the USA. Heavy-duty sign posts are maintenance free and ensure that your signs stay in place for years to come.
Our 8 feet tall and 3-1/16' wide sign post is compliant with NCHRP (National Cooperative Highway Research Program) 350 and approved for nationwide use.
|Medium Weight Post - 8'"th" Heavy Weight Post - 8'||Square Post - 8'"th" Round Post - 8'|
|Type||Medium Weight Posts||Heavy Weight Posts||Square Posts||Round Posts|
|Weight||1.12 lbs/foot of length||2 lbs/foot of length||2 lbs/foot of length||1.625 lbs/foot of length|
|Sizes Available||4', 6' and 8' long||6' and 8' long||5' and 8' long||8' long|
|Hole Spacing||Every 1" on top 30" of post||Every 1"||Every 1"||-|
|Width||2.25"||3.06"||1.75" for 5'; 2" for 8'||2.375"|
|Holes||0.4375" od||0.4375" od||0.4375" od||-|
|Material||Green enamel coated steel||Green enamel coated steel||Galvanized Steel||Galvanized Steel|
|Use For||Parking Signs, CCTV Signs, Private Property Owners.||Traffic Signs, Stop Signs, Municipalities.||Signs on Multiple sides of Post. Excess load capacity.||Street Signs, Municipalities.|
|Post End||6' and 8' are tapered; 4' post is not. Holes are only on the top 30" of post.||Tapered End. Holes stop 6" from end.||Not tapered. Holes to end.||Not tapered.|
U-channel posts are typically available in two different weights. The heavy duty, 2 lbs post is a standard at municipalities. It is ideal for traffic signs and signs 18Ã¢ÂÂ x 24Ã¢ÂÂ and larger.
The medium weight, 1.12 lbs post, is lower cost and popular for 12Ã¢ÂÂ x 18Ã¢ÂÂ signs.
The weight of the post is determined per foot of length. A 2 lbs, 6Ã¢ÂÂ long post should weigh approximately 12 pounds.
8Ã¢ÂÂ posts are most popular. 8Ã¢ÂÂ posts are the standard for most parking lots, schools and malls.
6Ã¢ÂÂ posts, however are easier to install and are are favored by home owners or for off-street installations. Assuming 1.5Ã¢ÂÂ below-ground depth, this gives a height of 3Ã¢ÂÂ between the ground and the bottom of a typical 18Ã¢ÂÂ tall sign.
The hole spacing and hole size is standard across all post heights.
To achieve a sign height that can be seen over a parked SUV, we recommend using two overlapping 6Ã¢ÂÂ posts. This also avoids the 'head knocker' hazard that can occur when a distracted pedestrian absentmindedly confronts shorter post and sign installation.
Professionals often use two overlapping 6Ã¢ÂÂ 2 lbs posts. This gives the signs plenty of headroom (thereby avoiding needless pedestrian accidents). Installing two sign, surprisingly, can be quite easy. See the next photo. Generally, we recommend from 6Ã¢ÂÂ to 12Ã¢ÂÂ of overlap between the two posts. It is not possible to overlap two medium weight 1.12 lbs posts.
Attach the sign to the flange side of the 2nd post and lay this post on the ground near to buried post. Align the posts so that they will nest. Thread one bolt through both posts. Then swing up the second post to vertical and, on the top of the overlap, tighten the second bolt.
Posts are generally pounded into the ground (unless a sand-filled sleeve is used). For all but the shortest posts, we recommend using the bed of a pickup truck as your platform.
Although post drive caps are used by professionals installing posts every day, most users find this unnecessary.
Trying to use a sledge hammer while perched on a ladder is an invitation for an accident. Use the stability of a pickup truck bed. Or start with a shorter post that can be driven more easily into the ground.
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