It is often thought that the size of a manhole cover should be measured by its outside dimensions — this…
How to choose the right manhole or access cover
Clear opening size or external dimensions? Cast iron or steel? Seal or no seal? Here’s how to choose the right…
What’s the difference between manhole covers & access covers?
Not sure what type of cover you need? Find out whether you need a manhole cover or access cover in…
Manhole & access cover loading standards explained
Confused by all the cryptic letters and numbers? This neat article is for you! Manhole and access covers are manufactured…