Dow Buoyancy Billets

2012217buoyancy billets while a floating structure is still in the waterote one 10" x 20" x 8 styrofoam brand buoyancy billet has an average buoyancy approximately one and a half times greater than a 45 gallon drumocate replacement billets of foam 10 to 15 closer together if the buoyancy provided by the drums proved barely adequate.