Rubber gaskets are used in a variety of items from automotive to household appliances. Common round rubber gaskets are inexpensive to buy and readily accessible to the general public. Organic shaped gaskets, on the other hand, are less common and more expensive. The organic shapes contain numerous curves and various size openings. These types of gaskets are easily made at home using liquid rubber. Purchase a tube of liquid rubber with a squeeze point applicator rated for the pressure and temperature of the intended application.
Wipe the surface for the intended new rubber gasket with a clean cloth and proper cleaning solution. Remove all dust, grease, wax or dirt. Allow the surface to air dry for 5 to 10 minutes.
Open the liquid rubber. Screw the applicator tip on the end of the tube.
Squeeze a solid line of liquid rubber down the centre of the gasket location. Evenly place the line between the two edges. Make sure the line is solid with no gaps.
Place the two pieces together and push gently. The liquid rubber will compress under the weight of the pieces. Secure the pieces together with the appropriate connectors.
Allow the gasket to dry for 1 to 12 hours depending on the temperature of the surrounding area. The rubber gasket will dry faster in a hot dry location and slower in a cold or moist environment.