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FOAM VS. CONCRETE - Fence Post Setting Test. This may be one of the coolest products reviewed yet! - YouTube
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Sika 2 lb. PostFix Fence Post Mix, Mix-In-The-Bag Expanding Foam for Supporting Non-Structural Posts, Mailbox, Sign 7116170 - The Home Depot
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Sika Polyurethane Fence Post Mix (Actual Net Contents: 33-fl oz) in the Concrete, Cement & Stucco Mixes department at Lowes.com
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