Welcome to the Drainage & Water Products section on The Building Product Directory. Here you can view our list of building products.

Harmer Aluminium Floor Drains
Harmer Aluminium Floor Drains

Harmer Aluminium Floor Drains are designed for use in interior drainage applications and all types of flooring. This versatile, fully engineered range...

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Harmer Shower - Aluminium and ABS
Harmer Shower - Aluminium and ABS

The Harmer Shower ABS range combines high performance, innovative design and value engineering to establish class-leading standards in drainage. Flow...

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Topseal
Topseal

Topseal offers a range of roofing solutions for common domestic applications such as extensions, garages, dormer roofs, parapet walls, gulleys, ...

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Topseal HD
Topseal HD

For heavy-duty applications such as balconies, walkways, terraces, roof gardens and steps, Topseal HD provides an extra level of performance and...

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Refurbishment Roof Outlets
Refurbishment Roof Outlets

The Roof-Pro Proliner is a rainwater refurbishment outlet made from durable materials for flexibility. It has been designed for situations where the...

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FIBRESAND
FIBRESAND

Originally designed for the equestrian market, but equally successful in Landscape/Amenity and Construction Applications, Fibresand is a simple but...

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DELTA®-RADONSPERRE
DELTA®-RADONSPERRE

The barrier against radioactive radon entering from the ground. No COâ‚‚. No radioactivity.DELTAR-Gas Barrier System.Extremely durable and tear...

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DELTA®-GEO-DRAIN
DELTA®-GEO-DRAIN

A new dimension of safety for thick waterproof coatings. The first compact four-ply drainage sheet on the market. Patent-protected.DELTA®-GEO-DRAIN...

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Freeflow Rainwater Systems
Freeflow Rainwater Systems

Freefoam offer the Freeflow range of innovative, high quality PVC-U rainwater systems.Each rainwater system is co-extruded with a white interior and a...

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DELTA® FM – 3mm cavity
DELTA® FM – 3mm cavity

DELTA®-FM 3mm damp proofing membrane is specifically designed for floor applications to combat dampness and contamination. The special 3mm low stud...

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Harmer Roof Outlets - Aluminium
Harmer Roof Outlets - Aluminium

Harmer Aluminium Roof Outlets are hydraulically engineered to ensure trouble-free performance, whilst offering versatility and choice for both...

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Harmer Roof Outlets - Cast Iron
Harmer Roof Outlets - Cast Iron

Harmer Cast Iron Roof outlets provide a practical solution to many building drainage applications. Inherently strong, cast iron is an ideal choice for...

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