
Frost Gravel guard stainless steel 250mm high

Frost Frost gravel guard for use with 33.046x.000 roof drain assemblies

Frost ABS spigot adaptor BSP3 to 82mm plastic, extends 110mm

Frost ABS spigot adaptor BSP3 to 82mm plastic, extends 220mm

Frost ABS spigot adaptor BSP3 to 82mm plastic, extends 400mm

Frost PVC spigot adaptor BSP4 to 110mm plastic, extends 110mm

Frost PVC spigot adaptor BSP4 to 110mm plastic, extends 220mm

Frost PVC spigot adaptor BSP4 to 110mm plastic, extends 400mm

Frost spigot adaptor BSP2 to 47.5mm ID, 60mm OD BS416/2, extends 110mm

Frost spigot adaptor BSP3 to 75mm ID, 89mm OD BS416/2, extends 110mm

Frost spigot adaptor CAST BSP4 to 100mm ID, 110mm OD BS416/2, extends 70mm

Frost spigot adaptor CAST BSP4 to 100mm ID, 110mm OD BS416/2, extends 220mm

Frost spigot adaptor CAST BSP4 to 100mm ID, 110mm OD BS416/2, extends 400mm

Frost spigot adaptor BSP6 to 150mm ID, 163mm OD BS416/2, extends 110mm

Frost spigot adaptor BSP4 to 100mm ID, 117mm OD BS437, extends 500mm


Frost 4" X 3" BSP Black Malleable Iron Threaded Reducing Bush

Frost 4" X 2" Cast Iron Threaded Reducing Bush


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.
