
Frost Aluminium Warm Roof drain assembly - fixed anti-vortex dome 220mm circular, medium sump body with clamp, vertical threaded outlet 4" BSP

Frost Aluminium Warm Roof drain assembly - fixed anti-vortex dome 220mm circular, medium sump body with clamp, vertical threaded outlet 3" BSP

Frost Aluminium Inverted Roof drain assembly - aluminium grating, fixed 240mm circular, medium sump body with clamp, vertical 200mm spigot outlet 100mm dia

Frost Aluminium Inverted Roof drain assembly - aluminium grating, fixed 240mm circular, medium sump body with clamp, vertical 200mm spigot outlet 75mm dia

Frost Aluminium Warm Roof drain assembly - fixed anti-vortex dome 220mm circular, medium sump body with clamp, vertical 200mm spigot outlet 100mm dia

Frost Aluminium Warm Roof drain assembly - fixed anti-vortex dome 220mm circular, medium sump body with clamp, vertical 200mm spigot outlet 75mm dia

Frost Aluminium Warm Roof drain assembly - aluminium grating, fixed 240mm circular, medium sump body with clamp, vertical 200mm spigot outlet 100mm dia

Frost Aluminium Cold Roof drain assembly - fixed anti-vortex dome 220mm circular, medium sump body with clamp, vertical 200mm spigot outlet 100mm dia

Frost Aluminium Cold Roof drain assembly - fixed anti-vortex dome 220mm circular, medium sump body with clamp, vertical 200mm spigot outlet 75mm dia

Frost Aluminium Warm Roof drain assembly - aluminium grating, fixed 240mm circular, medium sump body with clamp, vertical 400mm spigot outlet 75mm dia

Frost Aluminium Cold Roof drain assembly - aluminium grating, fixed 240mm circular, medium sump body with clamp, vertical 200mm spigot outlet 100mm dia

Frost Aluminium Cold Roof drain assembly - aluminium grating, fixed 240mm circular, medium sump body with clamp, vertical 200mm spigot outlet 75mm dia

Frost Aluminium Inverted Roof drain assembly - fixed anti-vortex dome 220mm, medium sump body with clamp, vertical threaded outlet 3" BSP

Frost Aluminium Inverted Roof drain assembly - fixed anti-vortex dome 220mm, medium sump body with clamp, vertical threaded outlet 4" BSP

Frost Aluminium Inverted Roof drain assembly - fixed anti-vortex dome 220mm, medium sump body with clamp, vertical 200mm spigot outlet 100mm dia

Frost Aluminium Inverted Roof drain assembly - fixed anti-vortex dome 220mm, medium sump body with clamp, vertical 200mm spigot outlet 75mm dia

Frost Aluminium Inverted Roof drain assembly - aluminium grating, fixed 240mm circular, medium sump body with clamp, vertical threaded outlet 3" BSP

Frost Aluminium Inverted Roof drain assembly - aluminium grating, fixed 240mm circular, medium sump body with clamp, vertical threaded outlet 4" BSP

Frost Aluminium Parapet assembly, 45 deg grate, small sump body 2-way outlet 3" BSP

Frost Aluminium Parapet assembly, 90 deg grate, small sump body 2-way outlet 3" BSP
Quality Building Drainage For Floors and Roofs
Frost has supplied drainage solutions for over 50 years. Its products support effective water management across applications ranging from roofs and balconies to internal floors and landscaped areas.
A choice of configurations helps contractors specify drainage that suits the structure, expected water flow and surrounding finish. Drainfast stocks the full Frost range and provides expert guidance to help customers select compatible products for each project.
Our reliable delivery service is supported by our own fleet, so orders are delivered by a member of the Drainfast team. Contractors can also source complementary underground drainage supplies from us, making it easier to order multiple drainage systems through one supplier. For wider groundworks projects, our free material take-off service helps calculate the required products and quantities from your plans.
Frequently Asked Questions
What are Frost Building Drainage Products Used For?
Frost building drainage products collect and direct water away from roofs, balconies, internal floors and planted areas. They form part of the wider drainage system, helping manage water effectively and protect the surrounding building fabric.
What Projects are Building Drainage Used For?
Building drainage products are used across commercial and public building projects, including offices, residential developments, healthcare facilities, leisure venues and other high-use environments. The right solution depends on the building design, expected water flow and intended application.
What Types of Building Drainage Products are Available?
The Frost range includes roof and balcony outlets, floor drains, linear drainage systems and planter drain assemblies. Different configurations are available to suit different roof structures, floor finishes and drainage requirements.
What Materials are Frost Building Drainage Products Made From?
Frost building drainage products are manufactured from cast iron, nickel bronze and stainless steel. The appropriate material depends on the application, surrounding finish, expected loading and project specification.
Can Building Drainage Connect to Existing Pipe Systems?
Frost drainage products can connect to various pipe materials and systems when a compatible outlet or adaptor is used. The existing pipe diameter, material and connection type should be checked before selecting a product to ensure a suitable fit.
