Pennine Top Hat Units – Rigid & Flexible (110mm & 160mm) grasstop access cover Modular and scalable – Stackable

Modular and scalable – Stackable for custom layout designs and adaptable tank volumes

The Harcostar Universal Rain Trap is a practical rainwater diverter that channels water from your downpipe into a water butt

This feature guarantees energy efficiency and safeguards against dry running

but can be cut away and replaced if necessary

and a sufficient mortar bedding

Pennine Top Hat Units – Rigid & Flexible (110mm & 160mm) grasstop access cover Modular and scalable – StackablePennine Top Hat units are preformed sleeves designed to create an airtight seal around service pipe penetrations. Available in rigid polypropylene or flexible TPE with a Jubilee Clip, these units provide a reliable barrier in applications such as attenuation tanks or pipe entries through membranes. Lightweight, durable, and simple to install, theyre manufactured to ISO 9001 standards using recycled plastics and are fully recyclable at end of life.