Helpful "How-To" Videos to Help Guide You with Selection and Installation
Brand New Videos from Trim-Lok
Screw Cap Cover: Product Overview
Explore Trim-Lok's revolutionary, one-piece, Screw Cap Cover.
All-in-One RV Slide Out Seal System: Product Overview
Explore our comprehensive All-in-One family of RV slide out seals, including our patented All-in-One Wipe Seal seamless corner installation method.
Welcome to Trim-Lok Midwest
We've expanded our roots from California to Elkhart, Indiana.
Edge Trim Plus: Easy to Install! Hard to Remove!
See how Edge Trim Plus makes installation easy without sacrificing grip strength.
How To Videos from Trim-Lok
How to Install All-in-One Wipe Seal
We show you how to install the All-in-One Wipe Seal with our Patented seamless corner installation method.
How To Install Edge Trim
Watch how to choose and select the right Edge Trim.
How To Install Fender Flare
Watch how to properly install Fender Flare onto your substrate.
Fender Flare Instructions Sheet (Right Click and select save as to save a copy)
How To Install Fender Flare Trim
Watch how to properly install Fender Flare Trim onto your fender flare.
How to Install Trim Seal
Watch how to choose and install the proper Trim Seal for your application.
How to Install Rubber Seal
Watch how to choose and install the proper Rubber Seal for your application.
Rubber Seal Installation Sheet (Right Click and select save as to save a copy)
How to Install Locking Gaskets
Watch how to install Locking Gaskets onto your application.
How to Install Drip Rail
Watch how to install our Drip Rail onto your application.
How to Install Edge Guard and Decorative Edge Trim
Watch how to install our Edge Guard and Decorative Edge Trim onto your application.
How to Install Grips and Tubing
Watch how to install our Grips and Tubing onto your application.
Butyl or Hot Melt Adhesive?
Watch how to choose the proper adhesive for your application.
Bonded Trim-Seal or Co-Extruded Trim-Seal?
Learn the key similarities and differences to help you select which Trim-Seal will be best for your project.
Snap-In Seal
Watch Trim-Lok's patented Snap-In Seal be installed quickly & easily on an RV Slide-Out Unit.
This guide is intended to give design engineers the basic facts needed to begin the process of designing effective rubber seals, gaskets and weather stripping. It is not intended to provide every piece of information available on the process or extrusion, the amount of information available is simply too great. However, it should serve as a starting point and give engineers the necessary information to better understand what they will need to consider during the design process.