Is the cover weather-tight? The cover is very weather-tight as it employs a MULTI-POINT/CONTINUOUS DOUBLE GASKET SYSTEM. This system is pre-installed onto every cover to match specifically to the contour of your truck?s rails. This design makes it virtually impervious to water! These gaskets are precisely installed directly onto the cover at the factory. This means that you do not have to install any gaskets yourself. The unique UNDERCOVER multi-point seal design provides superior protection against all elements of weather. Each cover is custom cesigned to fit the exact specifications your truck. This means this cover is custom fitted for custom protection.****IMPORTANT NOTE: With the new "BOX BUDDY" - We cannot ensure water cannot get into your bed around your toolbox, but you can rest assured that water will never enter your truck where the "BOX BUDDY" seals to your truck directly! This provides all of you with toolboxes the best option available for your truck! Back to Top