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 →Gully manhole covers & frames
Select your cover size
Choose a size to view its details and enquire. Dimensions are in millimetres.
Rectangular gully covers
Square gully covers
Selected size
450 × 600 mm
Gully manhole cover. Slotted gully cover and matching frame for surface-water drainage.
Built around your application
Where it fits.
For surface-water drainage points and drainage runs. Share the opening dimensions, drainage layout and installation conditions to confirm the required cover and frame.
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.