Harmer AV400T Aluminium Dome Grate Flat Roof Outlet with Vertical 4"BSPT Thread (Adapter required. See 4ADP) ridge tile 135MM (40)

135MM (40)

Suitable to be used as a compression type mastic

this downpipe is built to last

maintenance free

These can be used with or without nails to fix the slate

Harmer AV400T Aluminium Dome Grate Flat Roof Outlet with Vertical 4"BSPT Thread (Adapter required. See 4ADP) ridge tile 135MM (40)Harmer Roof AV Vertical Threaded Outlets feature a female socket with parallel threads to BS EN 10226 1, designed for secure connection to threaded tube. Ideal for installations within concrete slabs, they ensure a completely gastight seal. These outlets can be easily connected to cast iron, HDPE, and PVC pipework using the Harmer Roof Threaded Spigot Adaptor and A2 fire rated coupling.