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Shelf Life of Elastomeric Sealant

Sudbury Elastomeric Sealant has a 3 year shelf life. Once the product is opened the shelf life is 30-60 days depending on how well the tube or cartridge has been sealed.  For cartridges we recommend that you insert a sheet rock screw and tape the  tip to seal the cartridge.  For Tubes please replace cape and hand tighten.