used for ease of installationin common ring gasket sizesgenerally in vegetable fiber, 116" and 18" thickCustom gaskets to fit individual applications, irregular shapes where pieces of machinery mate such as mounting accessories to engines or machines: frequently made of vegetable fiberwhere equipment boxes are closed: commonly made of foam such as CCNS or Poron, often with Pressure Sensitive Adhesive (PSA) adhesiveDove-tail gaskets, for large sizesMaterials to 4" thickOdd shapes