Cast Iron Roof Drains from Allproof are an economic solution for durable and long lasting roof drainage. Ideal for flat roofs and internal gutters, drains are available in domed and flat grate options and with single or double flange. The clamp ring mechanically secures the roof membrane, grate is removable without disturbing the membrane.

Features and benefits include: 

• Suits pipe sizes 80 mm, 100 mm, 150 mm.
• Flat Grate (FCR), Domed Grate (DCR), Carpark Drain (CP) options.
• Double flange options with weepage ports are also available.
• Iron base flange fits inside pipe with o-ring seal.
• Clamp ring features a flush finish with membrane.
• Removable grate for easy pipe access without disturbing membrane.
• Waterproofing membrane clamped using 3 x stainless screws and clamp cast iron ring.