Description
The 110mm Underground Drainage Rainwater Adaptor Rubber Cap is designed to seal rainwater adaptor outlets within 110mm underground drainage systems. The 110mm Underground Drainage Rainwater Adaptor Rubber Cap provides a secure and flexible seal for unused rainwater connections and drainage inlets.
110mm Underground Drainage Rainwater Adaptor Rubber Cap Installation & Use
The 110mm Underground Drainage Rainwater Adaptor Rubber Cap is manufactured from durable flexible rubber for reliable sealing performance in underground and external environments. It is resistant to weathering, ground moisture, and typical site conditions found in UK drainage installations.
The flexible design allows the cap to fit securely over rainwater adaptor outlets and pipe openings. This creates a tight seal that helps prevent debris, soil, and water ingress into unused drainage connections. The cap is quick to install and remove, making it suitable for both temporary and permanent sealing applications.
This fitting is commonly used during staged construction, drainage testing, and system modifications where rainwater inlets or adaptor connections need to be temporarily sealed. It helps maintain system integrity while allowing easy future access for connection to downpipes or surface water drainage.
The robust rubber construction provides a dependable seal while accommodating slight pipe tolerances and movement during installation.
Compatibility: The 110mm Underground Drainage Rainwater Adaptor Rubber Cap is compatible with standard 110mm underground drainage rainwater adaptors, pipes, and fittings used in UK underground drainage systems.







