Polyfin prefabricated drain pipe compatible with waterproof membrane systems for roof and balcony drainage.

POLYFIN Preformed Drain Pipe

$24.00

or 4 interest-free payments with

Prefabricated drain pipe that hot-air welds into POLYFIN membrane, so the drain is part of the sheet, not a joint in it.

POLYFIN Preformed Drain Pipe is a prefabricated, membrane-compatible drain pipe assembly for POLYFIN waterproofing membrane systems. It is a grey PVC-coated component made for hot-air welding directly to POLYFIN membranes at roof, balcony, podium and planter drains. Stocked in 90 mm and 100 mm.

What it's for

Roof drains
Balcony and podium drains
Planter drains
One unit per drainage outlet

Why waterproofers buy it

Hot-air welds directly to POLYFIN membranes
No complex on-site fabrication of the drain detail
Precise factory manufacturing, so no on-site fabrication errors
Minimises leakage risk at the most vulnerable penetration points
Reduces installation time and labour cost

Specs

PVC-coated prefabricated component, grey. Diameters stocked: 90 mm and 100 mm. Joint configuration: pipe penetration, vertical. Hot-air welded to the POLYFIN membrane. Take-off: one unit per drainage outlet.

Forspec publishes no flange size or pipe length for this assembly. Confirm the fit with us before you order.

Prefabricated assembly, so the drain detail is not fabricated on site

Hot-air welds directly to POLYFIN membranes as one PVC detail

Minimises leakage risks at the most vulnerable penetration points

Size: 90mm

90mm$24.00100MM$24.00

Quantity: 1

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Pickup available at The Waterproofing Shop

Usually ready in 24 hours

POLYFIN Preformed Drain Pipe

90mm

The Waterproofing Shop

Pickup available, usually ready in 24 hours

22/872 Canterbury Road
Roselands NSW 2196
Australia

+61280213517

Product Details

FORSPEC POLYFIN PREFORMED DRAIN PIPE is a factory-manufactured drainage accessory designed for use with Polyfin waterproofing membrane systems. Engineered to create a dependable waterproof seal around drainage penetrations, it simplifies installation and helps reduce the risk of leaks at drain locations within waterproofed structures.

Key Features & Benefits

Prefabricated Drainage Solution: Provides a precise and reliable connection between the waterproofing membrane and drainage system.

Maintains Waterproofing Continuity: Helps ensure a secure watertight seal around drain penetrations and outlet points.

Efficient Water Management: Designed to promote effective drainage and prevent water accumulation on waterproofed surfaces.

Durable Construction: Manufactured from high-quality materials to withstand environmental exposure and long-term service conditions.

Simplifies Installation: Reduces the need for complex on-site fabrication, improving installation efficiency and consistency.

Compatible with Polyfin Systems: Designed for seamless integration with Polyfin waterproofing membranes and associated accessories.

Suitable for Various Applications: Ideal for roofs, balconies, terraces, podium decks, planter boxes, wet areas, and other waterproofed structures requiring reliable drainage connections.

Technical Specifications

Product Type: Prefabricated membrane-compatible drain pipe assembly
Chemical Base: PVC-coated prefabricated component
Colour: Grey
Diameters Stocked: 90mm and 100mm
Joint Configuration: Pipe penetration
Orientation: Vertical
Installation: Hot-air welded to the POLYFIN membrane
System Compatibility: POLYFIN waterproofing membrane system
Take-off: One unit per drainage outlet

Product Files

Technical Data Sheet (TDS) PDF Download

POLYFIN Preformed Drain Pipe90mm

$24.00

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System Build-Up Guide

Correct application makes all the difference.

View All Details

Pool System Build-Up

1 Concrete Substrate
2 Crack Repair (if required)
3 ACTFLEX FLEXPLUS
4 ACTFLEX HYDROPLUG
5 ACTFLEX AT MESH
6 ACTFLEX 988 CWP (2 Coats)
7 Tile Adhesive
8 Pool Finish

Retaining Wall System Build-Up

1 Concrete Substrate
2 Crack Repair (if required)
3 ACTFLEX MS PRO
4 ACTFLEX AT MESH
5 ACTFLEX 988 CWP (2 Coats)
6 Protection Board (Optional)
7 Drainage System
8 Backfill

Tank System Build-Up

1 Concrete Substrate
2 Crack Repair (if required)
3 ACTFLEX FLEXPLUS
4 ACTFLEX AT MESH
5 ACTFLEX 988 WMP (2 Coats)
6 Protective Coating (Optional)
7 Water

Key applications

Roof drains
Balcony drains
Podium drains
Planter drains
Pipe penetrations in POLYFIN membrane systems

Surface suitability

POLYFIN waterproofing membrane (hot-air welded directly to the membrane at the drainage penetration)

Technical Specifications

Product Type	Prefabricated membrane-compatible drain pipe assembly
Chemical Base	PVC-coated prefabricated component
Colour	Grey
Diameters Stocked	90mm and 100mm
Joint Configuration	Pipe penetration
Orientation	Vertical
Installation	Hot-air welded to the POLYFIN membrane
System Compatibility	POLYFIN waterproofing membrane system
Take-off	One unit per drainage outlet