For professionals
Fluency and peace of mind
We believe it is important for our products to be easy to work and live with. During the design stage, we thought how to best combine ease, installation and functionality for everyone who has dealings with Vieser. This is our way of creating extra value for our partners and fluent everyday requirements for end users. This is why we are constantly developing our solutions.


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Product information & technical documents
You can download the installation instructions as a PDF file.
You can download maintenance instructions as a PDF file.
Video Instructions
You can download Type-approvals as a PDF file.
In all of its operations, Vieser Oy is strongly committed to meeting customers’ quality requirements and environmental friendliness. Vieser’s quality system fulfils the requirements of both the ISO 9001 quality management standard and the international ISO 14001 environmental management standard.
Vieser invests in continuous product development with a special focus on ease-of-use and user experience. Thanks to user feedback, our products are renowned for their innovative features, user-friendliness and high quality.
The watertightness and proper functioning of Vieser floor drains have been proven through rigorous tests according to the standard EN 1253-2, on which the type approvals granted by Eurofins (formerly VTT) are also based. Our water traps for wash basins meet the requirements of the standard EN 274-1, on which the type approvals granted by Eurofins (VTT) for our wash basins’ water traps are based.
You can download Product Certificates as a PDF file.
Eurofins Oy (VTT Expert Services Ltd) has tested the functioning of Vieser floor drains and Extension rings together with liquid applied waterproofings for wet areas. As testing method was standard SFS-EN 1253-1 applied. According to the testresults Vieser and Vieser One floor drains and Vieser extension rings meet the requirements for water tightness according to standard SFS-EN 1253-1 together with following water proofings:
You can download Declaration of Performance (DoP) CE-marking as a PDF file.
BIM-models
MagiCAD software for Revit and AutoCAD is the number one BIM solution for mechanical, electrical and plumbing (MEP) design. It enables powerful modelling and engineering calculations. MagiCAD makes the design of accurate BIM models easier, more flexible and less time-consuming.
Each BIM object contains accurate dimensions and technical specifications from the manufacturer for calculations using Revit and AutoCAD. MagiCAD for Revit and AutoCAD is the number one BIM solution for mechanical, electrical and plumbing design in the world.
MagiCAD Cloud is an online service offering a large selection of Vieser BIM objects for MEP design and calculation. Designers can download Vieser product data from the MagiCAD Cloud in the design phase and use them to draw up realistic MEP plans.
Search and download product models – from Vieser MagiCloud
We have also modelled our products for:
CADS Hepac software
Winner design software
You can download drawings as a PDF and DWG file.
Vieser floor drain system:
Vieser Line floor drain system:
Vieser Line floordrain system with Narrow & Wide grating (Black edition):
You can download water proofing pictures as a PDF & DWG file.
Catalogs & Brochures
FAQ
Vieser One & Vieser floor drains:
Vieser has not tested the solution in question.
An unpleasant odour may be due to one of the following reasons: the removable water trap is not in place, the drain is dirty or there is no water in the drain. If the floor drain is located in a space where only little water is used, it is possible to install a special water trap in the drain to prevent sewer odours from spreading into the room. The side inlet pipe may also be dirty (e.g. the pipe may have sagged during casting and now collects water -> dirt -> bad odour from the floor drain).
The maximum installation height for a Vieser One drain support leg is 280 mm.
Answer: A polypropylene drain can withstand a continuous water temperature of 85 °C and momentary boiling temperature (100 °C).
You can access the waterproofing illustrations and the required parts here:
If the side inlets are not needed and they cause problems with the installation, it is possible to shorten them or to saw them off (attention must be paid not to make a hole at the inlet). You have to remove the plastic cover from the side inlets, if they are used. In this case it is not necessary, since the side inlets are not used.
Spare parts for the old beige Upovieser drains (1980–1995) are no longer supplied. The production of the drains ended more than 20 years ago, and the manufacture of their spare parts has also ended. A common industry recommendation is to replace old floor drains for which spare parts are no longer available with new ones. In Finland, the type approval regulations for floor drains changed in 1995, and this old type of floor drain does not meet current requirements. As regards renovations, the only secure solution that has been tested is to remove the old drain and install a new, type-approved and certified floor drain.
1. Polyethylene o-ring sleeve. One end is welded using an electrofusion coupler (or a mirror) to the pipeline, and the other end is connected to the drain using an o-ring connection.
Vieser special water traps for floor drains
There are two types of special water traps available for Vieser floor drains. You can distinguish a water trap for Vieser One floor drain from a regular water trap by the large black lifting handle. Both products are available from well-stocked hardware stores and industry wholesalers.
There are no special water traps available for Vieser’s low floor drains.
Vieser extension rings
We provide an extension ring with side inlets, version 3x32. Three side inlets of 32 mm can be connected to the extension ring.
The Vieser low model extension ring is meant for these situations. The package includes a clamping ring, which is used to connect waterproofing to the extension ring. The low model extension ring raises the drain by 12–16 mm. Our high extension ring is suitable when raising the drain by more than 25 mm, and the extension ring with side inlets is meant for raising the drain by more than 66 mm.
Two low extension rings cannot be installed on top of each other. (The dimensions at the top of the low extension ring are different from other extension rings or floor drains.)
A low extension ring is always the uppermost extension ring, and it cannot be extended with another extension ring.
No, it cannot be left out. The purpose of the support ring is to keep the extension ring in the correct shape for its lifetime. Any dimensional changes in the structures must not change the shape of the extension ring.
You can install no more than two high extension rings on top of each other. You can also extend a high extension ring with a low extension, but not vice versa.
Vieser stainless steel gratings
The stainless steel grade used is AISI304. It is not acid-proof stainless steel.
For some reason, iron-containing dirt has entered the drain and has stuck to the stainless steel grating. It can, however, be scraped off. The same phenomenon happens, if you leave a wet iron nail on a stainless steel countertop.
If you have a Vieser drain, we recommend that you also buy a Vieser grating for it. Our stainless steel grating frame has a small flange to protect waterproofing, ensuring safe installation in accordance with regulations. Guidelines concerning wet rooms (RIL 107 and RT datasheet on wet room structures) state that in the installation of a square grating, waterproofing must not remain exposed, and the water trap must be removable for cleaning.
To facilitate the installation of the tiles, our adjustable stainless steel frame can be adjusted off the centre of the floor drain by a maximum of 15 mm. The total adjustment range is 30 mm. The frame has an off-centre hole providing the adjustment possibility. The collar installed in the frame is also located off centre, which expands the adjustment range.
197x197mm Gratings: Grating without frame 190x190, but with grating it is 197x197mm
160x160mm Gratings: Grating without frame 151x151, but with grating it is 160x160mm
Vieser other grating system products
If a Vieser grating with a plastic frame or an adjustable stainless steel frame is installed together with the floor tiling, it is not necessary. The stainless steel frame must be installed so that the membrane flange is covered.
The Vieser distance ring is placed on the Vieser round grating frame as a tile and bulk floor.
Vieser air valve
The Vieser air admittance valve is meant to be used in connection with a vent pipe that vents the air directly outdoors. Where the local sewer works so permit, venting can also be arranged using only an air admittance valve. The air valve must be located so that there is no risk of freezing. The valve must also be located higher than the water level in any of the connected plumbing fixtures. The air valve must be installed in a place where air is readily available.
The Vieser air admittance valve is meant to be used in connection with a vent pipe that vents the air directly outdoors. Where the local sewer works so permit, venting can also be arranged using only an air admittance valve. The air valve must be located so that there is no risk of freezing. The valve must also be located higher than the water level in any of the connected plumbing fixtures. The air valve must be installed in a place where air is readily available.
There is most likely a blockage in the sewer piping, causing some air to flow back towards the air admittance valve. In this situation, the seal is pressed tighter against the valve. You can verify a blockage using the following test: 1. Remove the air valve from the end of the sewer pipe and place a piece of paper on top of the pipe. 2. Use a connected plumbing fixture; if the piece of paper flies off, there is likely a blockage.
Vieser One alipaineventtiili kestää painetta 500Pa.
Vieser water traps for washbasin
The product is meant for connecting a washing machine directly to the sewer line. The washing machine drain hose is connected to the funnel.
No, the material of stainless steel basins is often too thin to guarantee a tight fit.