I’m always on the lookout for new foam core products that can reduce the hurt to the wallet or the environment, or both. https://newatlas.com/cellulose-foam-insulation/59654/?utm_medium=email&utm_campaign=2019-05-14%20083526%20Other%20Daily%20Basic%202019-05-14%20083930%20Eco-friendly%20foam%20outperforms%20the%20real%20thing&utm_content=2019-05-14%20083526%20Other%20Daily%20Basic%202019-05-14%20083930%20Eco-friendly%20foam%20outperforms%20the%20real%20thing+CID_857d128ac851e6afd69c585a1ad7bc0b&utm_source=Campaign%20Monitor&utm_term=Read%20more
But bugs me when they have odd anecdotal measures of strength or insulation values, but no actual numbers.
have you tried that new foam made for setting posts? it supposedly replaces concrete. I bought bag at Home depot for about 13 bucks. The store sample felt really hard but no data on what pound weight it is. Haven’t tried mine yet. afraid to use it on new daggerboard, so bit the bulllet and bought the tried and true two part six pound.