High-Quality Roof Outlets
At Aluminium Superstore, we supply a premium selection of Harmer roof outlets alongside our extensive range of aluminium guttering products. Harmer outlets are engineered for compatibility with a variety of waterproofing systems and building types and deliver efficient, long-lasting drainage solutions.
With a lifespan of up to 40 years in rural and suburban areas and around 25 years in marine or industrial locations, Harmer drainage outlets provide excellent durability. Manufactured from fully recyclable materials, they also support sustainable building practices.
These aluminium drainage outlets connect seamlessly to downpipes and are ideal for flat roof structures in in-situ cast concrete, timber or lightweight metal deck construction.
Why Choose Harmer Roof Outlets?
We select our suppliers carefully to offer only the highest quality aluminium rainwater systems. Harmer outlets are trusted across the UK for their precision engineering and consistent performance. Benefits include:
- Expertly engineered for high capacity, trouble-free roof drainage.
- Versatile installation for concrete, timber, green roofs and more.
- Made from high-grade LM6 aluminium alloy for corrosion resistance.
- Lightweight design for easier handling without sacrificing strength.
Harmer Aluminium Roof Outlets
Aluminium Harmer roof outlets are robust, lightweight and corrosion-resistant, draining up to 40% more roof area than many traditional gravity outlets. Suitable for warm, cold and inverted roof designs, they are an ideal choice for both new build and refurbishment projects.
The Harmer Product Range
Harmer AV Aluminium Roof Outlets
The Harmer AV range features high-performance outlets with circular flanges, designed for use with continuous waterproofing systems such as single-ply membranes, mastic asphalt, high-performance felt and liquid-applied coatings. Available in vertical discharge designs with spigot or screw connections, they offer a secure link to your drainage system.
Options include retrofit gullies for refurbishment without removing existing outlets, and multi-gully models for variable discharge angles. Not suitable for managed rainwater systems.
- High-capacity aluminium outlets for flat roof applications.
- Secure, watertight connection to downpipes.
- Retrofit and multi-gully options available.
- Designed for warm, cold and inverted roof build-ups.
Harmer Roof Detail Aluminium Outlets
Harmer Detail outlets are designed for specific drainage challenges, from balconies and gullies to car parks and parapet walls. They integrate with a wide range of flat roof waterproofing systems and construction types.
- Two-way outlets for parapet wall drainage.
- Balcony outlets with flat grates for pedestrian-safe areas.
- Gully outlets for narrow drainage channels.
- Specialised car park outlets for multi-storey structures.
- Horizontal and 45-degree discharge designs for versatile applications.
Order Harmer roof outlets securely online today
or call our team on 01296 674099 for expert guidance on selecting the right drainage solution for your project.