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Lid Seals

Lid Seals
Trim-Lok’s comprehensive line of EPDM foam and rubber seals include heavy duty double bulb lid seals for a variety of applications. With uses in the marine, automotive, transportation, and manufacturing industries our extruded double bulb lid seals, gaskets, and weather-strips are used in conjunction with each other to protect cargo and other areas of your vehicle or boat from humidity, water, and other outdoor elements.
Typically used between your truck bed and truck cap, camper shell or truck lids base rail, on watertight doors, skylights, cargo doors, and around windows or anywhere else where noise, dust, moisture, or vibration reduction or elimination is desired, Trim-Lok’s selection of EPDM double bulb lid seals and sponge rubber seals are guaranteed to meet or exceed your personal and professional expectations.

Designed by a team of highly-skilled and experienced engineers, all Trim-Lok products, including our double bulb lid seals, are manufactured using only the highest quality materials available on the market. Available with several tape options, our strongest BT peel and stick tape option is a 3M Automotive Attachment Tape creating a moisture barrier, air tight seal and the ultimate bond between the seal and substrate. These high temperature tapes provide trusted performance and the benefit of resistance to extreme heat and high temperatures.

Since 1971, Trim-Lok has been a leading supplier of EPDM rubber seals, including lid seals and double bulb seals. With easy application and the versatility to be used in an extensive range of applications and environments, our lid seals are sure to meet or exceed your expectations. For more information about Trim-Lok’s line of EPDM foam and rubber seals, request a sample or contact a local sales representative today.


402 Series Rubber Seal

402 Series Rubber Seal

Double Bulb Lid EPDM Sponge Rubber Seal, with a height of .500" and a width of .1.500".

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1145 Series Rubber Seal

1145 Series Rubber Seal

Double Bulb Lid EPDM Sponge Rubber Seal, with a height of .550" and a width of 1.500".

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