Composite construction
Fiber Reinforced Polymer combines fiberglass reinforcement, a polymer resin binder and a mineral-filled core. The brochure describes a textured surface and UV-stable coating.
Explore the layers →Square manhole covers
Select your cover size
Choose a size to view its details and enquire. Dimensions are in millimetres.
Square covers
Selected size
300 × 300 mm
Square manhole cover. Square manhole cover and matching frame for access to underground service chambers.
Built around your application
Where it fits.
For utility access and square chamber openings. Share the clear opening, site location and expected traffic so the appropriate specification can be confirmed.
What to specify
Confirm the clear opening or required size, matching frame, load class and quantity. Custom sizes and load classes are available on request; our team can confirm availability, pricing and lead time.
Discuss your requirements →
Details that make a difference.
Load-class selection
The brochure lists manufacture up to D400. Confirm the class and supporting documentation for your selected dimensions and installation; total vehicle weight alone does not determine suitability.
View load options →Correct installation
Match the frame opening to the chamber. Fully support the frame on the specified concrete bed and align the top with the finished surface.
Installation guide →Let’s specify your cover.
Share the size, application and quantity. We’ll help confirm the right fit.