I am gauging interest in a silicone cabin door and baggage door seal for the Mooney M20 series. We need 15 people to make the tooling costs work.  From reading all the threads on here about door seals it seems we have 3 options. Factory, Aircraft Door Seals, or the inflatable option.  This would be another option and I am aiming for it to be the best.   The factory door seals are a piece of foam rubber covered by a rubber jacket. It breaks down from age and compresses, which allows air to leak