Next-day delivery on a comprehensive range of stock outlets and fittings

Wallbarn offers a complete selection of roof drainage outlets, collars, vents and accessories, designed to suit a wide range of waterproofing systems and bonding methods. Whether you're working with TPE, EPDM, or PVC membranes, they stock a variety of downpipe and corner (through-wall) outlets in both standard and specialist configurations.

New Website Tools for Easier Specification

To make selecting the right outlet even simpler, Wallbarn has redesigned the website experience for this product range. The new pages help guide you through product compatibility based on your waterproofing membrane and application type, ensuring the correct fit first time.

The updated layout includes a membrane compatibility chart, improved visual product filters, and a quote request function—allowing you to select the outlets you need and submit them directly to the Wallbarn team for pricing.

Wallbarn’s Comprehensive Outlet Range

Each outlet is designed with practical installation in mind, featuring smooth, ribbed, or perforated flanges to suit different bonding methods—flame-bonded, thermally applied, mechanically fixed, adhesive bonded, or sandwich bonded systems. This flexibility allows installers and specifiers to choose the most appropriate outlet for their membrane type and roof build-up.

Compatible with All Leading Waterproofing Systems

Their outlet range supports a wide spectrum of flat roof waterproofing applications, including:

• Liquid bituminous membranes
• PVC membranes

• Hot melt systems

• Single ply systems

• EPDM membranes

• LAM (liquid-applied membranes)

• FPO membranes

Wallbarn also supplies a selection of collars and vents in TPE and PVC, alongside a full suite of roof drainage accessories:

• Leaf and gravel guards

• Elbow connectors

• Couplings

• Jubilee clips

These components are engineered for reliable drainage performance and easy installation, making them ideal for both new-build and retrofit applications.

Most outlets are in stock and available for next working day delivery, helping you keep projects on schedule with minimal hassle.

See the range on their website - https://wallbarn.com/enquiry/roof-drainage-outlets/

Or give the team a call on 020 8916 2222