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Haus Profi™ Easy To Install Lead-Free Flashings And Accessories For Flues, Pipework And Ducting

August 14, 2014

The Haus Profi range of flashings – Wakaflex®, EasyFlash® and Sabetoflex, have been designed to provide heating engineers and plumbers with a cheaper, more cost-effective effective alternative to lead. They are 50% quicker to install, have no scrap value so are worthless to thieves and importantly, pose no threat to the health of the contractor.

Already well established in over 40 countries, the launch into the UK market will at last provide scope for quick and cost-effective sealing of penetrations through pitched, flat, metal and polycarbonate roofs.

No specialist labour needed

Weatherproofing between flue and roof can be particularly problematic with slate and plain tile roofs so the process of removal and replacement is frequently sub-contracted to a roofing contractor. Haus Profi products enable flues to be installed without the associated cost of sub-contracting specialist labour. Flashings can be stretched, provide a long design life and make installation far quicker than lead or other metals. The end result is also invariably airtight and neater.

In addition to their light weight and low cost in relation to lead, Haus Profi products offer the heating engineer and plumber a list of practical advantages. Perhaps the most significant is the unique way in which flashings can be stretched and formed. Wakaflex in particular has similar characteristics to lead in terms of flexibility and malleability so is ideal for awkward detailing work and for forming over deeply profiled tiles. Unlike some other lead-free flashings, however, the facing does not distort when stretched so the end result still looks neat. Surfaces do not normally require a primer and products can be installed at low temperatures without risk of cold working fatigue.

Also unlike lead, that can only be installed in short tray lengths, Wakaflex presents no such problems and being resistant to thermal movement there are far fewer seams. Finally, Wakaflex and EasyFlash do not rely on clips to keep them in place – another element of cost saved!

Sabetoflex collars are ideal for gas and wood burner flues. They are fully adjustable for use with any diameter flue and to fit in perfectly with the roof, they are coloured to match the chosen tile or slate. No specialist installation skills or tools are involved, installation is far quicker than lead and in the unlikely event of a repair being needed, the self-welding that occurs between the backing and facing makes is immediate.

Product Information


Wakaflex is a lead free, flexible, adhesive-backed flashing designed to replace lead in most modern roofing applications.It is the ideal lead-free material for flashing flues, vents, ducting and soil outlets at their junction with the roof as it can be stretched by up to by up to 50% in length and 15% in width. No specialist skills are needed, making it ideal for use with deeply profiled tiles such as Double Roman and Bold Roll, as well as corrugated metal roofs.


EasyFlash is a lightweight, universal flashing for sealing abutments between walls and roof tiles and slates. It has a lightly ribbed aluminium facing, is highly flexible and can be stretched in length by up to 60%. The material moulds easily to the contours of deeply profiled tiles and is particularly effective at corners. No specialist tools are needed to cut or apply it and no other soldering or gluing is involved.


Sabetoflex provides the perfect collar and flashing combination for flues with diameters ranging from 100-160mm for gas flues and 250mm/270mm for wood burners. The kits come complete with a pre-installed Wakaflex sealing collar which provides an airtight seal with the roof. This offers a far better solution than standard lightweight metal flashings that provide no overall seal and can be inadequate on low pitches.

Haus Profi Accessories

We have a range

of high quality accessories to ensure you have everything that you need to get the job done, including Haus Profi Flashing Sealant; EasyFlash Tape, Haus Profi Finishing Strip, Wakaflex Roller and Scissors.

Haus Profi are continually developing and sourcing new products. Our aim is to provide our customers with the most comprehensive range of easy to install, cost-effective lead-free products on the market.

To keep up to date with the all the latest news and developments visit,  call 0845 600 4427  or email:

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