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EPISODE 46

I needed a polyurethane expanding foam that a) could squirt sideways into gaps, b) didn't need to be poured quickly from above, c) could resist dampness, d) didn't involve professional spray kits or large twopart canisters. So, here I pit some premium foams against a 'normal' PU foam benchmark, and extracted professional 2part buoyancy foam.

Products mentioned:

Soudal Soudafoam Gap Filler (can)
131 Gorilla WeatherResistant Expanding Foam
DAP Touch 'n Foam Professional Landscape (pond foam)
DAP Max Fill Foam (3x expansion)
Soudal Soudafoam 2K (not tested)
isothane LD40 twopart marinegrade rigid PU foam

Model: NME A/S (Husnes, Norway) 7.5m TELB
Engine: Bukh DV48 turbo diesel

Feel free to ask any questions in the comments!

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