Manhole Covers, Lids, & Frames
Manhole covers, lids, and frames in round and square configurations — cast iron, composite, and steel for sewer, water, and vault access applications. · 28 products
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About Manhole Covers, Lids, & Frames
Finding the Right Cover
The right manhole cover depends on three factors: the application environment, the required load rating, and the access dimensions. We carry options for every common scenario — from lightweight monitoring well covers to heavy-duty roadway-grade vault lids.
Round vs. Square
Round covers are the standard for most sewer and water utility access points. They can't fall through the opening (a circle's diameter is constant), making them inherently safer. Square covers are used for vault access where the opening requires a wider or rectangular shape — common in utility vaults and large-scale infrastructure.
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Related Articles
Guides and answers for choosing the right product.
Understanding How Manholes are Measured
It’s important to note that the manhole cover you choose must be larger than the opening itself to securely fit over the manhole.
Read guide
How to Measure a Manhole When Replacing an Existing Manhole Cover
Replacing a manhole cover might seem simple, but getting the right fit requires precise measurements.
Read guide
Manhole Measurement Made Easy: A Practical Guide for Accurate Sizing
Learn how to accurately measure a manhole with this step-by-step guide designed for utility professionals and contractors.
Read guide