Setting 15 4x4 cedar posts. Anybody use quikcrete? How many bags per post? Should I waterproof the bottom? These posts will be weight-bearing. Any advise is appreciated.
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Get a propane torch and char (shou sugi ban style) any of the wood under soil level.
You can use linseed or mineral oil on the posts to get more life out of them as well
this is best.
but does it really make them last longer if you're setting them in concrete?
whatdya mean "weight bearing?"
fence posts?
id guess at least a 12" hole. how deep depends on how much post is above ground.
depth x width of hole minus volume of post = square footage of cement per hole.
quickrete or any damn thing is usually fine.
How much weight?
Only compressive of lateral /sheer load too?
If you're concerned with ground contact, you may be able to pour footings, then secure fabricated brackets with concrete lags.
Approx 100 lbs each
Keep in mind that using only one bag per post is only 80 pounds.Thats like having a fourth grader holding up your posts in a strong wind. I would use two per post even though using only one is very common.Dipping the post bottoms in tar before setting is a good idea but cedar is pretty resilient anyway . Also I would mix the concrete before pouring it in the hole as opposed to dumping it in dry and flooding the top with water. Just my personal opinion.There are several ways to do a good job,this is just one of them!
