Happycall's replacement silocone strip are made from material which will resist high temperature and pressure. However depending on use of the double pan, wear and tear may occur on silicon gasket. Now with the purchase of silicone gasket only, you may extend the life of your pan. Ensure proper tight seal without a substantial investment.
1. Using paperclip, pinch and take out the worn silicone
2. Starting from right next to oil drip hole, insert new silicone gasket inside the hole.