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 3" BSP

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

SKU 34.0353

Frost Inverted Roof drain assembly, aluminium grating, fixed 240mm circular, medium sump body with clamp, vertical threaded outlet 3" BSP
Supplied with grating and clamp.
Rainwater outlets with flat gratings are suited to inverted roof construction where the waterproof membrane is located above the roof deck but below the insulation layer.

Aluminium LM 6 to BS EN 1599-4:2015

Threaded reducers to 2" available

Technical specifications
SKU	34.0353
Title	Frost Aluminium Inverted Roof drain assembly - aluminium grating, fixed 240mm circular, medium sump body with clamp, vertical threaded outlet 3" BSP
Net weight	17.895 Kilograms
Flow rate	5 l/s
Body material	ALUMINIUM
Outlet type	THREADED
Grating material	ALUMINIUM
Grating type	FLAT

Resources
Frost Product Guide & Pricelist Issue 04
Product Specification Sheet	Download PDF

Other products you may need

Frost Inverted Roof drain assembly - cast iron grating adjustable 200mm square, large sump body with clamp, vertical threaded outlet 4" BSP

33.0354

Frost Inverted Roof drain assembly - cast iron grating adjustable 200mm square, large sump body with clamp, vertical threaded outlet 4" BSP

Frost Inverted Roof drain assembly - cast iron grating adjustable 200mm square, large sump body with clamp, vertical spigot outlet 110mm

33.0351

Frost Inverted Roof drain assembly - cast iron grating adjustable 200mm square, large sump body with clamp, vertical spigot outlet 110mm

Frost Inverted Roof drain assembly - cast iron grating 200mm square, large sump body with clamp, vertical spigot outlet 160mm

33.0359

Frost Inverted Roof drain assembly - cast iron grating 200mm square, large sump body with clamp, vertical spigot outlet 160mm

Frost Inverted Roof drain assembly - cast iron grating adjustable 320mm square, large sump body with clamp, vertical threaded outlet 4" BSP

33.0364

Frost Inverted Roof drain assembly - cast iron grating adjustable 320mm square, large sump body with clamp, vertical threaded outlet 4" BSP

Frost Inverted Roof drain assembly - cast iron grating non-adjustable 320mm square, large sump body with clamp, vertical threade outlet 6" BSP

33.0365

Frost Inverted Roof drain assembly - cast iron grating non-adjustable 320mm square, large sump body with clamp, vertical threade outlet 6" BSP

Frost Inverted Roof drain assembly - cast iron grating adjustable 320mm square, large sump body with clamp, vertical spigot outlet 110mm

33.0361

Frost Inverted Roof drain assembly - cast iron grating adjustable 320mm square, large sump body with clamp, vertical spigot outlet 110mm

Frost Inverted Roof drain assembly - cast iron grating 320mm square, large sump body with clamp, vertical spigot outlet 160mm

33.0369

Frost Inverted Roof drain assembly - cast iron grating 320mm square, large sump body with clamp, vertical spigot outlet 160mm

Frost Inverted Roof drain assembly - fixed dome 220mm and 150mm gravel guard, medium sump body with clamp, vertical threaded outlet 4" BSP

33.0304

Frost Inverted Roof drain assembly - fixed dome 220mm and 150mm gravel guard, medium sump body with clamp, vertical threaded outlet 4" BSP

Frost Inverted Roof drain assembly - fixed dome 220mm and 150mm gravel guard, medium sump body with clamp, horizontal threaded outlet 4" BSP

33.0314

Frost Inverted Roof drain assembly - fixed dome 220mm and 150mm gravel guard, medium sump body with clamp, horizontal threaded outlet 4" BSP

Frost Inverted Roof drain assembly - fixed dome 220mm and 150mm gravel guard, large sump body with clamp, vertical threaded outlet 4" BSP

33.0324

Frost Inverted Roof drain assembly - fixed dome 220mm and 150mm gravel guard, large sump body with clamp, vertical threaded outlet 4" BSP

Frost Inverted Roof drain assembly - fixed dome 220mm and 150mm gravel guard, large sump body with clamp, vertical threaded outlet 6" BSP

33.0326

Frost Inverted Roof drain assembly - fixed dome 220mm and 150mm gravel guard, large sump body with clamp, vertical threaded outlet 6" BSP

Frost Inverted Roof drain assembly - fixed dome 220mm and 150mm gravel guard, large sump body with clamp, vertical spigot outlet 110mm

33.0321

Frost Inverted Roof drain assembly - fixed dome 220mm and 150mm gravel guard, large sump body with clamp, vertical spigot outlet 110mm

Frost Inverted Roof drain assembly - fixed dome 220mm and 150mm gravel guard, large sump body with clamp, vertical spigot outlet 160mm

33.0329

Frost Inverted Roof drain assembly - fixed dome 220mm and 150mm gravel guard, large sump body with clamp, vertical spigot outlet 160mm

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

34.0141

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

34.0147

Frost Aluminium Inverted 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

34.0303

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

34.0304

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

34.0331

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

34.0337

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

Accessories you may need

Frost Downspout Nozzle horizontal outlet BSP4

33.0444

Frost Downspout Nozzle horizontal outlet BSP4

Frost Extension variable for heavy duty inverted roof assemblies

33.6010

Frost Extension variable for heavy duty inverted roof assemblies

Frost Gravel guard stainless steel 200mm high

33.9320

Frost Gravel guard stainless steel 200mm high

Frost Gravel guard stainless steel 250mm high

33.9325

Frost Gravel guard stainless steel 250mm high

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

33.9415

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

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

31.6517

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

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

31.6517.2

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

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

31.6517.4

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

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

31.6531.2

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

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

31.6531.4

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

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

31.6525

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

31.6527

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 220mm

31.6521.2

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

31.6521.4

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

31.6529

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

31.6561

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

Frost 2" X 1" pvc Threaded Reducing Bush

31.9352

Frost 2" X 1" pvc Threaded Reducing Bush

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

31.9317

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

Frost 4" X 2" Cast Iron Threaded Reducing Bush

31.9315

Frost 4" X 2" Cast Iron Threaded Reducing Bush

Frost 4" X 2" PVC Threaded Reducing Bush

31.9115

Frost 4" X 2" PVC Threaded Reducing Bush

Robust Drainage Systems Backed by Expert Advice.

Copyright © 2026 Frost Drainage Ltd. All rights reserved.
Registered in England and Wales Number: 15868056.

Site by Pivale - digital transformation agency and drupal development specialists