Products

Browse our range of quality roof, floor and balcony drainage products. Manufactured in cast iron, nickel bronze and stainless steel, our drainage products are designed to perform reliably in all environmental conditions for many years. Used as an integral part of the building’s drainage system, you can adapt Frost drainage products to fit various pipe materials, floor finishes and roof structures. Specifiers can select with confidence, and contractors can be assured of maintenance-free, durable drainage products.

Floor drain assembly heavy duty with clamp, 320mm grating square, large sump body cast iron vertical outlet BSP6

31.0216

Floor drain 150mm square stainless steel grating hinged cover plate medium sump body side inlets threaded outlet

31.0795

Floor drain 150mm circular nickel bronze grating medium sump S trap spigot outlet

31.0250.S

Floor drain 150mm square nickel bronze grating large sump body spigot outlet

31.0220

Parapet roof balcony outlet assembly 90-degree grate spigot outlet

33.0411.9

Floor drain 150mm square stainless steel grating with medium sump body and horizontal threaded outlet size 4″ BSP

31.0425.H

Large cold roof drain assembly flat grating 150mm spigot outlet

33.0059

Floor drain 200mm square grating small sump body threaded outlet

31.0044

Floor drain 150mm square stainless steel grating hinged cover plate large deep sump body threaded outlet

31.0895

Floor drain 150mm square nickel bronze grating medium sump S trap spigot outlet

31.0220.S

Floor drain 150mm square stainless steel grating hinged cover plate large trapped sump body threaded outlet

31.0995

Floor drain 150mm stainless steel grating large sump body spigot outlet

31.0225

Floor drain 320mm square grating large sump body 100mm spigot outlet with clamp

31.0211

Large inverted roof drain assembly spigot outlet

33.0321

Floor drain 150mm circular stainless steel grating medium sump body spigot outlet

31.0155

Frost gravel guard 260mm diameter stainless steel 150mm high

33.9415

Large inverted roof drain assembly 320mm flat grating threaded outlet

33.0364

Floor drain 150mm circular nickel bronze grating small sump body spigot outlet

31.0350

Floor drain 150mm square stainless steel hinged cover plate medium sump S trap spigot outlet

31.0295.S

Floor drain 150mm square stainless steel grating hinged cover plate large sump body spigot outlet

31.0295

Large inverted roof drain assembly 200mm flat grating spigot outlet

33.0351

Floor drain 200mm circular ductile iron grating small sump body threaded outlet

31.0667

Floor drain 200mm circular ductile iron grating large deep sump threaded outlet

31.0867

Large inverted roof drain assembly 320mm flat grating spigot outlet

33.0361

Floor drain 150mm square nickel bronze grating large trapped sump body threaded outlet

31.0921

Floor drain 150mm circular nickel bronze grating with direct connection spigot outlet, 100mm

31.0051

Medium cold roof drain assembly domed grating threaded outlet

33.0034

Floor drain 150mm square stainless steel grating medium sump P trap spigot outlet

31.0225.P

Floor drain 150mm square nickel bronze grating large deep sump body threaded outlet

31.0821

Floor drain 150mm square nickel bronze grating hinged cover plate medium sump S trap spigot outlet

31.0290.S

Floor drain 150mm circular stainless steel grating large sump body threaded outlet

31.0555

Cold Roof drain assembly – fixed dome 220mm circular, medium sump body with clamp, vertical spigot outlet 110mm

33.0031

Large cold roof drain assembly domed grating 150mm spigot outlet

33.0469

Slimline Heel proof floor drain 150mm slotted stainless steel grating medium sump body side inlets threaded outlet

31.0785

Floor drain 200mm circular ductile iron grating medium sump body side inlets threaded outlet

31.0767

Floor drain 200mm square stainless steel grating with small sump body and threaded outlet size 4″ BSP

31.0635

Planter drain, clamp stainless steel gravel guard, 2 fast fit couplings and pvc stand pipe, medium sump body cast iron body, 4″ BSP outlet

33.0454

Vinyl floor drain 178mm circular stainless steel grating large deep sump body threaded outlet

31.0875

Vinyl Floor drain 178mm circular nickel bronze grating medium sump body side inlets threaded outlet

31.0771

Floor drain 150mm square nickel bronze grating hinged cover plate small sump body threaded outlet

31.0691

Frost gravel guard 250mm diameter stainless steel 150mm high

33.9310

Vinyl floor drain 178mm circular stainless steel grating small sump body threaded outlet

31.0675

Floor drain 150mm square stainless steel grating hinged cover plate medium sump body threaded outlet

31.0495

Floor drain 150mm square stainless steel grating 3mm slots with medium sump body and horizontal threaded outlet size 4″ BSP

31.0485.H

Floor drain 200mm circular nickel bronze grating with large sump body and spigot outlet size 100mm

31.0261

Parapet roof balcony outlet assembly 90-degree grate threaded outlet

33.0414.9

Vinyl floor drain 178mm circular stainless steel grating large trapped sump body threaded outlet

31.0975

Floor drain 200mm circular nickel bronze grating with direct connection spigot outlet, 100mm

31.0061

Floor drain 200mm square stainless steel grating with direct connection spigot outlet,100mm

31.0035

Vinyl Floor drain 178mm circular nickel bronze grating large trapped sump body threaded outlet

31.0971

Floor drain assembly medium duty cast iron grating circular, medium sump body cast iron horizontal outlet 4″ BSP

31.0104

Floor drain 150mm circular nickel bronze grating large sump body spigot outlet

31.0250

Medium inverted roof drain assembly threaded outlet

33.0304

Cold roof medium-duty drain assembly spigot outlet

33.0061

Large cold roof drain assembly domed grating spigot outlet

33.0461

Floor drain 200mm square nickel bronze grating with large sump body and spigot outlet size 100mm

31.0231

Slimline Heel proof floor drain 150mm slotted stainless steel grating large sump body spigot outlet

31.0285

Floor drain 150mm square stainless steel grating medium sump S trap spigot outlet

31.0225.S

Floor drain 200mm circular stainless steel grating with direct connection spigot outlet, 100mm

31.0065

Floor drain 150mm Slimline Heel Proof stainless steel grating with direct connection spigot outlet, 100mm

31.0085

Floor drain 150mm square nickel bronze grating medium sump P trap spigot outlet

31.0220.P

Large inverted roof drain assembly flat grating 163mm spigot outlet

33.0359

Floor drain 150mm square stainless steel grating medium sump body spigot outlet

31.0125

Floor drain 150mm square stainless steel grating with hinged cover plate with medium sump body and horizontal threaded outlet size 4″ BSP

31.0495.H

Floor drain 150mm square stainless steel grating hinged cover plate small sump body spigot outlet

31.0395

Floor drain 240mm circular flat grating large sump body 150mm spigot outlet

31.0149

Floor drain 150mm square nickel bronze grating small sump body spigot outlet

31.0320

Frost spigot adaptor BSP4 to 110mm Ensign BS416/2

31.6521

Floor drain 200mm square nickel bronze grating with large sump body and threaded outlet size 4″ BSP

31.0531

Vinyl Floor drain 178mm circular nickel bronze grating medium sump body and threaded outlet

31.0471

Slimline Heel Proof floor drain 150mm slotted stainless steel grating medium sump body spigot outlet

31.0185

Floor drain 150mm circular nickel bronze grating small sump body threaded outlet

31.0651

Vinyl Floor drain 178mm circular nickel bronze grating large deep sump body threaded outlet

31.0871

Vinyl floor drain 178mm circular nickel bronze grating small sump body threaded outlet

31.0671

Floor drain 320mm square grating large sump body 150mm spigot outlet with clamp

31.0219

Parapet roof balcony outlet assembly 45-degree grate threaded outlet

33.0414

Floor drain 320mm square grating large sump body threaded outlet with clamp

31.0214

Vinyl Floor drain 178mm circular stainless steel grating medium sump body side inlets threaded outlet

31.0775

Warm Roof drain assembly – fixed dome 220mm circular, large sump body with clamp, vertical spigot outlet 110mm

33.0121

Floor drain 200mm square stainless steel grating with medium sump body and horizontal threaded outlet size 4″ BSP

31.0435.H

Slimline Heel proof floor drain 150mm slotted stainless steel grating large trapped sump body threaded outlet

31.0985

Vinyl floor drain 178mm circular stainless steel grating small sump body spigot outlet

31.0375

Floor drain 200mm square nickel bronze grating with small sump body and spigot outlet size 100mm

31.0331

Frost rodding eye small body vertical spigot outlet

31.1031

Floor drain 150mm square nickel bronze grating hinged cover plate medium sump body threaded outlet

31.0491

Warm Roof drain assembly – cast iron grating, fixed 240mm circular, medium sump body with clamp, vertical spigot outlet 110mm

33.0101

Floor drain 178mm circular nickel bronze grating for vinyl floors with direct connection spigot outlet, 100mm

31.0071

Floor drain 150mm square stainless steel grating hinged cover plate medium sump P trap spigot outlet

31.0295.P

Vinyl Floor drain 178mm circular stainless steel grating large sump body threaded outlet

31.0575

Vinyl Floor drain 178mm circular stainless steel grating medium sump S trap spigot outlet

31.0275.S

Large cold roof drain assembly flat grating 100mm spigot outlet

33.0051

Cold Roof drain assembly – fixed dome 220mm circular, medium sump body with clamp, horizontal threaded outlet 4″ BSP

33.0044

Slimline Heel Proof floor drain 150mm slotted stainless steel grating small sump body spigot outlet

31.0385

Floor drain 150mm square stainless steel grating large trapped sump body threaded outlet

31.0925

Slimline Heel proof floor drain slotted stainless steel grating large sump body threaded outlet

31.0585

Floor drain 150mm circular stainless steel grating with medium sump – ‘S’ trap – spigot outlet

31.0255.S

Large cold roof drain assembly flat grating threaded outlet BSP 4

33.0054

Floor drain 200mm circular ductile iron grating medium sump body spigot outlet

31.0167

Floor drain 150mm circular stainless steel grating small sump body threaded outlet

31.0655

Floor drain 150mm circular stainless steel grating small sump body spigot outlet

31.0355

Floor drain 150mm square nickel bronze grating with medium sump body and horizontal threaded outlet size 4″ BSP

31.0421.H

Vinyl Floor drain 178mm circular nickel bronze grating medium sump P trap spigot outlet

31.0270.P

Floor drain 200mm circular ductile iron grating medium sump P trap spigot outlet

31.0221.P

Floor drain 150mm square stainless steel grating large sump body threaded outlet

31.0525

Shower drain 130mm circular grating small trapped sump body 100mm spigot outlet

31.01255

Floor drain 150mm square stainless steel grating medium sump body threaded outlet

31.0425

Warm Roof drain assembly – fixed dome 220mm circular, large sump body with clamp, horizontal threaded outlet 4″ BSP

33.0134

Cold Roof drain assembly, cast iron grating, fixed 240mm circular, medium sump body with clamp, horizontal threaded outlet 4″ BSP

33.0024

Floor drain 150mm square nickel bronze grating medium sump body spigot outlet

31.0121

Large cold roof drain assembly domed grating 150mm spigot outlet

33.0069

Small balcony outlet drain assembly threaded outlet BSP 3

33.0433

Vinyl Floor drain 178mm circular nickel bronze grating large sump body threaded outlet

31.0571

Floor drain 150mm circular nickel bronze grating medium sump body side inlets threaded outlet

31.0751

Downspout nozzle with horizontal threaded outlet

33.0444

Large inverted roof drain assembly 200mm flat grating threaded outlet

33.0354

Floor drain 200mm circular ductile iron grating with medium sump body and horizontal threaded outlet size 4″ BSP

31.0467.H

Frost 4″ X 3″ Threaded Reducing Bush

31.9117

Floor drain 320mm square grating large sump body 150mm spigot outlet no clamp

31.0089

Frost rodding eye nickel bronze 178mm round for vinyl floor

31.4307

Vinyl floor drain 178mm circular stainless steel grating medium sump body spigot outlet

31.0175

Floor drain 150mm circular stainless steel grating medium sump body side inlets threaded outlet

31.0755

Warm Roof drain assembly – cast iron grating, fixed 240mm circular, medium sump body with clamp, horizontal threaded outlet 4″ BSP

33.0114

Floor drain 150mm circular stainless steel grating large trapped sump body threaded outlet

31.0955

Vinyl Floor drain 178mm circular stainless steel grating medium sump body threaded outlet

31.0475

Large inverted roof drain assembly 320mm flat grating 163mm spigot outlet

33.0369

Planter drain, clamp stainless steel gravel guard, 2 fast fit couplings and pvc stand pipe, medium sump body cast iron body, 100mm Spigot outlet

33.0451

Floor drain 150mm circular nickel bronze grating large trapped sump body threaded outlet

31.0951

Large cold roof drain assembly domed grating threaded outlet

33.0464

Frost filter basket for medium-duty adjustable floor drain assemblies

31.3320

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

33.0301

Floor drain 150mm square nickel bronze grating hinged cover plate medium sump P trap spigot outlet

31.0290.P

Floor drain 200mm circular stainless steel grating with small sump body and threaded outlet size 4″ BSP

31.0665

Floor drain 150mm square nickel bronze grating with direct connection spigot outlet, 100mm

31.0021

Floor drain 150mm circular stainless steel grating medium sump P trap spigot outlet

31.0255.P

Frost rodding eye nickel bronze 130mm round nickel bronze

31.4304

Frost rodding eye nickel bronze 200mm square

31.4303

Floor drain 150mm square nickel bronze grating hinged cover plate large sump body spigot outlet

31.0290

Floor drain 200mm square nickel bronze grating with small sump body and threaded outlet size 4″ BSP

31.0631

Floor drain 200mm circular nickel bronze grating with medium sump body and horizontal threaded outlet size 4″ BSP

31.0461.H

Floor drain 200mm circular stainless steel grating with large sump body and spigot outlet size 100mm

31.0265

Floor drain 150mm stainless steel grating medium sump body side inlets threaded outlet

31.0725

Medium warm roof flat grating drain assembly threaded outlet

33.0104

Floor drain 320mm square grating large sump body 100mm spigot outlet no clamp

31.0081

Floor drain 150mm square stainless steel grating with hinged cover plate with direct connection spigot outlet, 100mm

31.0095

Floor drain 200mm circular ductile iron grating with direct connection spigot outlet, 100mm

31.0067

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

33.0314

Floor drain 320mm square grating large sump body threaded outlet no clamp

31.0084

Medium cold roof drain assembly flat grating spigot outlet

33.0011

Floor drain 200mm square nickel bronze grating with direct connection spigot outlet,100mm

31.0031

Cold roof medium-duty drain assembly threaded outlet

33.0064

Large inverted roof drain assembly threaded outlet

33.0324

Floor drain 150mm square stainless steel grating with direct connection spigot outlet,100mm

31.0025

Frost bolt on funnel nickel bronze oval

31.4115

Floor drain 150mm circular stainless steel grating with medium sump body and horizontal threaded outlet size 4″ BSP

31.0455.H

Floor drain 150mm square nickel bronze grating with hinged cover plate with direct connection spigot outlet, 100mm

31.0091

Floor drain 150mm square stainless steel grating small sump body threaded outlet

31.0625

Floor drain 150mm square nickel bronze grating hinged cover plate medium sump body side inlets threaded outlet

31.0791

Frost Backwater Valve 4 inch

31.9204

Floor drain 150mm square stainless steel grating hinged cover plate medium sump body spigot outlet

31.0195

Medium cold roof drain assembly domed grating spigot outlet

33.0031

Vinyl Floor drain 178mm circular nickel bronze grating large sump body spigot outlet

31.0270

Floor drain 150mm square nickel bronze grating small sump body threaded outlet

31.0621

Floor drain 150mm square nickel bronze grating medium sump body threaded outlet

31.0421

Floor drain 150mm square nickel bronze grating hinged cover plate large deep sump body threaded outlet

31.0891

Vinyl floor drain 178mm circular nickel bronze grating medium sump body spigot outlet

31.0170

Floor drain 150mm circular stainless steel grating large deep sump body threaded outlet

31.0855

Floor drain 150mm square nickel bronze grating large sump body threaded outlet

31.0521

Vinyl floor drain 178mm circular nickel bronze grating small sump body spigot outlet

31.0370

Cold Roof drain assembly – cast iron grating, fixed 240mm circular, medium sump body with clamp, vertical spigot outlet 110mm

33.0011

Floor drain 150mm circular stainless steel grating medium sump body threaded outlet

31.0455

Floor drain 200mm circular ductile iron grating medium sump body threaded outlet

31.0467

Floor drain 200mm square stainless steel grating with large sump body and spigot outlet size 100mm

31.0235

Large inverted roof drain assembly 150mm spigot outlet

33.0329

Floor drain assembly medium duty cast iron grating circular, medium sump body cast iron horizontal outlet 4″ BSP

31.0104

Floor drain 150mm circular nickel bronze grating medium sump P trap spigot outlet

31.0250.P

Floor drain 200mm circular ductile iron grating small sump body spigot outlet

31.0367

Frost removable bottle trap

31.9510

Slimline Heel Proof floor drain 150mm slotted stainless steel grating medium sump P trap spigot outlet

31.0285.P

Frost Planter drain Gravel Guard, Cast Iron Grate, 4″ BSP Outlet

33.0427

Floor drain 150mm square nickel bronze grating hinged cover plate large sump body threaded outlet

31.0591

Vinyl Floor drain 178mm circular stainless steel grating medium sump P trap spigot outlet

31.0275.P

Frost rodding eye stainless steel 150mm square

31.4602

Floor drain 150mm square nickel bronze grating medium sump body side inlets threaded outlet

31.0721

Floor drain 200mm circular ductile iron grating medium sump S trap spigot outlet

31.0221.S

Slimline Heel Proof floor drain 150mm slotted stainless steel grating large deep sump body threaded outlet

31.0885

Floor drain 240mm circular flat grating large sump body 100mm spigot outlet

31.0141

Frost extension collar height adjustable for large sump bodies

31.6010

Slimline Heel Proof Floor drain 150mm slotted stainless steel grating medium sump S trap spigot outlet

31.0285.S

Slimline Heel Proof floor drain 150mm slotted stainless steel grating medium sump body threaded outlet

31.0485

Floor drain 150mm square stainless steel grating large deep sump body threaded outlet

31.0825

Floor drain 200mm circular stainless steel grating with medium sump body and horizontal threaded outlet size 4″ BSP

31.0465.H

Shower drain 130mm circular grating small trapped sump body 50mm spigot outlet

31.01375

Floor drain 150mm circular nickel bronze grating large deep sump body threaded outlet

31.0851

Floor drain 178mm circular stainless steel grating for vinyl floors with direct connection spigot outlet, 100mm

31.0075

Vinyl floor drain 178mm circular stainless steel grating large sump body spigot outlet

31.0275

Floor drain 200mm circular ductile iron grating large sump body spigot outlet

31.0267

Floor drain 150mm square nickel bronze grating hinged cover plate small sump body spigot outlet

31.0391

Floor drain 150mm circular nickel bronze grating large sump body threaded outlet

31.0551

Floor drain 200mm square nickel bronze grating with medium sump body and horizontal threaded outlet size 4″ BSP

31.0431.H

Floor drain 178mm circular nickel bronze grating for vinyl floors with medium sump body and horizontal threaded outlet size 4″ BSP

31.0471.H

Floor drain 200mm circular stainless steel grating with large sump body and threaded outlet size 4″ BSP

31.0565

Large cold roof drain assembly domed grating threaded outlet BSP 6

33.0066

Large cold roof drain assembly flat grating threaded outlet BSP 6

33.0056

Floor drain 200mm square stainless steel grating with small sump body and spigot outlet size 100mm

31.0335

Floor drain 150mm circular stainless steel grating with direct connection spigot outlet, 100mm

31.0055

Parapet roof balcony outlet assembly 45-degree grate spigot outlet

33.0411

Floor drain 150mm square stainless steel grating hinged cover plate large sump body threaded outlet

31.0595

Floor drain 150mm square nickel bronze grating hinged cover plate medium sump body spigot outlet

31.0191

Frost extension collar stackable 20-40mm height adjustable

31.6000

Floor drain 150mm circular nickel bronze grating with medium sump body and horizontal threaded outlet size 4″ BSP

31.0451.H

Frost bolt-on funnel 100mm diameter

31.4514

Large cold roof drain assembly domed grating threaded outlet BSP 6

33.0466

Slimline Heel Proof floor drain 150mm slotted stainless steel grating small sump body threaded outlet

31.0685

Floor drain 200mm circular ductile iron grating large trapped sump body threaded outlet

31.0967

Floor drain 200mm square grating small sump body spigot outlet

31.0041

Floor drain 200mm circular nickel bronze grating with large sump body and threaded outlet size 4″ BSP

31.0561

Frost Spigot Adaptor BSP4 to 110mm plastic

31.6511

Floor drain 240mm circular flat grating large sump body BSP 6 threaded outlet

31.0146

Floor drain 200mm square stainless steel grating with large sump body and threaded outlet size 4″ BSP

31.0535

Floor drain 150mm square nickel bronze grating with hinged cover plate with medium sump body and horizontal threaded outlet size 4″ BSP

31.0491.H

Floor drain 200mm circular ductile iron grating large sump body threaded outlet

31.0567

Vinyl Floor drain 178mm circular nickel bronze grating medium sump S trap spigot outlet

31.0270.S

Floor drain 178mm circular stainless steel grating for vinyl floors with medium sump body and horizontal threaded outlet size 4″ BSP

31.0475.H

Floor drain 150mm circular nickel bronze grating medium sump body spigot outlet

31.0151

Floor drain 200mm circular flat grating medium sump body threaded outlet

31.0117

Floor drain 150mm square stainless steel grating small sump body spigot outlet

31.0325

Floor drain 200mm circular flat grating medium sump body spigot outlet

31.0091

Floor drain 240mm circular flat grating large sump body BSP 4 threaded outlet

31.0144

Floor drain 150mm square stainless steel grating hinged cover plate small sump body threaded outlet

31.0695

Frost rodding eye small body vertical threaded outlet

31.1034

Floor drain 200mm circular nickel bronze grating with small sump body and threaded outlet size 4″ BSP

31.0661

Medium cold roof drain assembly flat grating threaded outlet

33.0014

Warm roof medium-duty drain assembly

33.0124

Floor drain 150mm square nickel bronze grating hinged cover plate large trapped sump body threaded outlet

31.0991

Small balcony outlet drain assembly threaded outlet BSP 4

33.0434

Floor drain 150mm circular nickel bronze grating medium sump body threaded outlet

31.0451

Floor drain assembly heavy duty, 320mm grating square, large sump body cast iron vertical outlet BSP6

31.0086

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