How to Install Bulb Trim Seals

Bulb trim seals keep out air, water, dust, and noise. They are used in doors with radiused corners and consist of a compressible bulb and a solid retainer section. When the door is closed, the bulb is compressed to create a seal between the door and the jam. The trim or solid retainer section installs over the edge of the door and combines a finished appearance with edge protection. Applications for bulb trim seals include mobile equipment and enclosures for electronics and machinery.

In this “How to” article from Elasto Proxy, you’ll learn how to install bulb trim seals so that they won’t over-compress or kink. First, you’ll learn about materials and measurements for the bulb section. You’ll then learn how to specify the trim section of your seal. Along the way, we’ll cover some calculations and best practices for ordering and installing the industrial rubber products that you need. Bulb trim seals are sold in coils, but they also come cut-to-length to help you speed installation.

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