Fence Post Installation with Foam

29 Jul 2013 06:35 278
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Update Feb.2018
This repair is still rock solid, NO heaving and it's still plumb. Has survived several bad wind storms over almost 5 years.

NOTE: Some have commented on how large the hole is. I replaced a broken post, whoever installed it dug a hole this large, and filled it with 1 foot of concrete. The post broke inside the concrete. We attempted to lift it out using a farmjack and a chain. No luck, wouldn't budge. Rented a jackhammer, and it took 3 hours to break it up & remove it, RIDICULOUS!!!

Recently, I replaced a fencepost without using concrete. I tried a new product made by Sika called Post Fix, a two-part, pre-proportioned polyurethane resin which when mixed produces an expanding foam. Each package will work with an 8" diameter, 3 foot tall Sonotube. I am very satisfied with this product, it works great! The best part is if the post rots again in 25 years, the next homeowner will have a much easier time removing it, than I did.
As of June 10, 2016, this product is on sale at Home Depot Canada for $15.75 per bag. Reg. price is $16.70

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