NBS Source
List your products

rainwater

584 results found

Sort by:

Showing 145-180 of 500

Sarnafil® S-Overflow PVC

Sika Sarnafil

Sarnafil rigid PVC, hot air weldable, horizontal overflow outlets are compatible with Sarnafil G/S PVC membranes, allowing the membrane to be fully welded to the body of the outlet and ensuring a watertight connection to the body of the outlet. This 63 mm diameter overflow outlet should be installed in addition to the primary drainage outlets set off the main roof level so that it can provide an emergency warning should there be a blockage. The Sarnafil outlet will also be incorporated under the Sarnafil guarantee for the roof system.

Round Gravel Excluder Helix

Wallbarn Ltd

Heavy-duty leaf and gravel guards for insertion into downpipe drainage outlets. Suitable for EPDM, PVC and TOE outlets. Manufactured from plastic in two varieties: the SPIDER and the HELIX styles.

The circular guard section is connected to a vertical rod with a series of protruding fins protruding, which can be bent or cut back to suit the diameter of the spigot of the outlet shape. They are suitable for a variety of drainage pipe diameters.

The pressure from rainwater will be downwards, holding the leaf guard in place securely. Adhesive is not required.

EPDM Downpipe Outlets (Perforated Flange)

Wallbarn Ltd

Preformed shape for use with downpipes drainage holes on flat roofs. Manufactured with perforated flange to improve bond to waterproofing membrane. Flexible, tough EPDM shape is inserted into drainage hole and bonded and / or mechanically fixed to the waterproofing membrane in a sandwich application.

Outlet shape is placed onto the rubber waterproofing and bonded using adhesive. Adhesive will ooze through the perforations to achieve an over-and-under bond. A patch of waterproofing is installed above the outlet flange and fully bonded completely over the top to ensure area is watertight. Drainage outlet is protected by having additional layer and fully sealed.

A round leaf guard should be inserted into top of hole once installed. Always prime both the outlet shape and the waterproofing membrane before installation.

PVC Downpipe Outlets (Smooth Flange)

Wallbarn Ltd

Preformed shape made from PVC for use with downpipes drainage holes on flat roofs. For use with PVC waterproofing membranes only. Manufactured with smooth flange.

Flexible PVC shape is inserted into drainage hole and bonded to the waterproofing membrane with hot air gun (do not use a direct flame). Outlet shape is placed onto the PVC waterproofing and bonded using adhesive and / or mechanical fixings.

A patch of waterproofing is installed above the outlet flange and fully bonded completely over the top to ensure area is watertight. Drainage outlet is protected by having additional layer and fully sealed.

A round leaf guard should be inserted into top of hole once installed. Always prime both the outlet shape and the waterproofing membrane before installation.

EPDM Through Wall Outlets

Wallbarn Ltd

Preformed shape for use with roof outlets up to parapets, gutters and through wall drainage holes. Flexible, tough EPDM shape is inserted into drainage hole and bonded and / or mechanically fixed to the waterproofing membrane in a sandwich application.

Outlet shape is placed onto the rubber waterproofing and bonded using adhesive and / mechanically fixed. A patch of waterproofing is installed above the outlet flange and fully bonded completely over the top to ensure area is watertight.

Drainage outlet is protected by having additional layer and fully sealed.

EPDM Downpipe Outlets (Smooth Flange)

Wallbarn Ltd

Preformed shape for use with downpipes drainage holes on flat roofs. Manufactured with smooth flange. Flexible, tough EPDM shape is inserted into drainage hole and bonded and / or mechanically fixed to the waterproofing membrane in a sandwich application.

Outlet shape is placed onto the rubber waterproofing and bonded using adhesive and / or mechanical fixings. A patch of waterproofing is installed above the outlet flange and fully bonded completely over the top to ensure area is watertight.

Drainage outlet is protected by having additional layer and fully sealed. A round leaf guard should be inserted into top of hole once installed. Always prime both the outlet shape and the waterproofing membrane before installation.

Showing 145-180 of 500

Feedback