Frequently Asked Questions

Yes, if they are used sparingly. Muted finishes such as graphite or Velvet grey are suitable for a particularly calm look; Black sets more deliberate accents.

To disinfect a door handle set, you need a virucidal disinfectant for surfaces and disposable wipes - such as from a kitchen roll.
In the first step, wet the door handle completely with disinfectant. The areas where the palm of the hand rests on the door handle are particularly important. For WC sets, do not forget the WC lock. 
Afterwards, the disinfectant must act according to the manufacturer's instructions. Follow the respective product instructions.
Finally, wipe the surface with the disposable cloth. When doing so, avoid rubbing the cloth back and forth on surfaces that have already been disinfected and avoid using the cloth several times.
To ensure that the surface remains beautiful after frequent disinfection, it can be wiped with water or soapy water. Disposable cloths should also be used for this purpose. Throw the water away afterwards.

Yes, especially for heavily used Doors. Only apply a small drop. Too much will gum up the mechanism.

The spring cassette sits in the fitting and supports the return movement. The lock spring sits in the lock and moves the latch. Both parts can wear out and can be replaced - although replacing the spring in the handle itself is only for experts.

Door handles can be of different shapes. The door handle can be straight, curved, square or round. The shape of the protective fittings are also shaped to match the door handle.

It is best to buy from specialised retailers, such as timber merchants or glaziers. You can find recommended dealers at www.griffwerk.de/en/store-locator/

In Germany, usually 8 mm for Internal doors, 10 mm for front doors. Measure the old square spindle or check the lock data sheet. If the thickness and Length are correct, play often disappears immediately.

Yes, the rail, Running gear and space are often decisive. Check the manufacturer's approvals and the Load-bearing capacity. Photos of the system help with the selection.

Yes for best comfort, for tight situations one side is often enough. Decide according to use and space in the rail. Test the drain dry in advance.

Screwdriver, tape measure, Allen key ("Inbus") and, depending on the system, a drill for the rail. For Glass, only use adapters, never drill bits.

The European standard DIN EN 1527:1998 specifies the basic criteria of building hardware and test methods and classes of the respective types of sliding doors - its exact name is: "Locks and building hardware - Hardware for sliding and folding doors - Requirements and test methods".

The standard differentiates sliding doors according to safety requirements, weight, handling, service life and opening direction. 

Sliding doors work by moving on rails along a wall or frame. The door is supported by rollers or sliders that run on the tracks, making it easy to open and close. Some sliding doors have some sort of lever or handle that is used to open and close the door while others may have a knob or switch to open and close them.

Sliding doors save space in the room, because they do not need a swing area. Therefore, they are particularly suitable for small rooms or niches, which otherwise could not be used.

However, sliding doors are also practical room dividers for very large rooms that you want to divide only temporarily.  Especially in apartments with large but few rooms, a sliding door as a room divider can organize space in a useful and flexible way. Intelligent opening and closing of sliding doors as room dividers can also improve the indoor climate and save energy.

Sliding doors are particularly suitable for rooms with limited space, such as small apartments or offices, and for areas where a seamless transition between indoor and outdoor areas is desired, such as terraces or balconies. They are also a popular choice for wardrobes, bathrooms, kitchens and as room dividers in large rooms.

Basically, glass always consists of five main ingredients: Quartz sand, dolomite powder, lime powder, sulphate powder and soda powder. These raw materials are mixed together and heated so that they melt. Depending on which product is to be produced, there may be a different mixing ratio. The molten glass is then poured into a vat of molten tin. As tin is heavier than glass, the liquid glass floats on the surface and forms a thin "film" there. This "film" can then be rolled onto a belt and is then cut and made into the glass door.
For cooling, the method of "tempering" is used for glass doors. The molten glass is cooled down extremely quickly, making it more robust and break-resistant.
Glass doors from Griffwerk undergo further manufacturing steps depending on the design. For example, for VSG glass, two ESG glass panes are joined with a plastic film. For screen printing, we use ceramic paint that burns patterns or other motifs into the glass. With the help of laser technology, fine lines can be engraved into the glass door.

Optimum privacy is achieved with the help of a film that is inserted between two panes of toughened safety glass. In the Griffwerk range, you will find high-quality VSG PRIME glass that can bear matt, grey or opaque film in various colours and nuances. The advantage of opaque matting: with adequate privacy protection, enough light still flows into the room. Such doors are suitable, for example, for bedrooms, office doors and, of course, bathrooms.

Yes, Glass doors are a stylish option for cabinet doors and can reveal the contents.

Provided that you properly handle glass doors before and during installation, they are safe. So: do not put them on the edges, but on soft wood, styrofoam or cardboard - avoid bumping.
Glass doors are made of safety glass TSG (single-pane safety glass) or LSG (laminated safety glass) - this makes them less sensitive than "normal glass panes". Therefore, this is much less sensitive than a simple pane of glass. A glass door on two wooden trestles holds well and gladly 2-3 people standing on it.

Glass doors are often combined with other wooden doors. This is ideal when all the fittings have been matched in terms of technology and surface. In the GRIFFWERK range you will also find fittings for flat entrance doors, wooden interior doors and even for windows in matching designs.

It is even possible to insert glass into existing wooden doors - so-called light cut-outs. We at Griffwerk also manufacture such a glass insert for wooden doors.

Yes, Griffwerk offers a made-to-measure option for Glass doors. Customers can specify the desired dimensions to ensure that the doors fit perfectly into their premises.

To ensure the stability of the special size Glass doors, the smallest possible dimension is 1000 x 2100 mm. We manufacture special size glass doors up to a maximum dimension of 1400 x 2500 mm.

With warm water and a sponge or a soft, lint-free towel. Clean large areas, not selectively.
Residues such as fingerprints can also be removed with commercially available glass cleaner (foam cleaner). Please do not use any abrasive, corrosive, acidic or alkaline cleaning agents. They attack the surface. Wipe excess water dry with a microfibre cloth. Because: If water acts on the glass door over a longer period of time, stubborn limescale residues can form.
In the case of laminated glass doors, do not allow the edge seal to come into contact with water, otherwise moisture and cleaning agents will penetrate between the connected glass panes.

The window handles from Griffwerk can be individually matched to other design elements. Choose your window handle in the same look as your door handle or show your colours and surprise with strong contrasts: At Griffwerk, every taste will find what it is looking for.

As a renowned manufacturer of handles of all kinds, we at Griffwerk always try to cater to individual needs. Griffwerk window handles can be made with different square spindle lengths and can therefore be used in any window frame. On request, we produce special designs with variable pin lengths. Contact us!

Window handles are fixed to the window frame with the help of a 7 mm square pin. The thickness of the window determines how deep the square spindle must be pushed into the window in order to lock it optimally.

We recommend the following trick for measuring: Take a thin object, e.g. a knitting needle, and push it into the opening as far as it will go. Mark the spot with your fingernail or tape. Then measure the distance with a tape measure.

Plastic window handles are cheaper than stainless steel handles. Brass, stainless steel, aluminum or chrome wears out less. The interior style also affects the choice of window handles: For example, in an Art Nouveau room, an ornate brass handle would be better than a no-frills black window handle.

Yes, there are special window handles suitable for people with handicaps, for example those with larger levers or automatic opening mechanisms - Griffwerk does not offer these.

The right hardware for the professional installation of the window handle is supplied by Griffwerk. Depending on the version, the handle is mounted with a square pin and suitable screws. For further information on mounting, please visit our homepage or contact your specialist dealer.

When choosing a window handle, consider to which side you have room to turn and to which side the window should open. Window handles for windows that are opened and closed often need to be more durable and fit better in the hand than those that are rarely used. Window handles should match the material, shape and color of the existing door handles and hardware or those being purchased. If the window is located on a poorly visible corner, on a lower floor or in the children's room, you should think about lockable window handles.

Yes, there are different types of window handles that are suitable for different window types and styles. For example, there are window handles for swing windows, pivot windows, tilt windows, etc.

Yes, you can replace glass fittings for glass doors yourself. A Phillips or slotted screwdriver and, if necessary, a hexagonal wrench and a drilling template are sufficient in most cases to change glass fittings.

LSG doors can be used for glass door systems with clamp mounting SENSA by GRIFFWERK. The inner foil is only slightly elastic. We nevertheless recommend readjusting the screws of the fixing after some time and later if necessary. Glass doors, like wooden doors, can adapt to changing room conditions and thus change. Please refer to the respective product data sheets for detailed information.

A whisper latch is a door latch that has been partially coated with plastic. The plastic dampens the impact of the metal latch in the lock. Doors can thus be closed "whisper quietly". Whisper latches are available for door handles for wooden doors as well as for glass lock cases on all-glass doors.

Glass fittings are made of sturdy material, such as metal, stainless steel, brass or aluminum.

When cleaning glass fittings, water with a little washing-up liquid is often sufficient as a cleaning agent. After wiping with a towel, always dry well to avoid rust.

To ensure that doors stay open or to protect against a hard impact, it is worth using a doorstop. Especially for glass doors, which break more easily if hit too hard. The door leaf and wall are thus not damaged. Glass doors in particular are protected with a doorstop.

Floor and wall door stops: To prevent the door from hitting the wall, door stops are fixed to the floor or wall. They are screwed or glued to the wall. Some are also equipped with magnets to stop the door. There are also floor doorstops that hold the door open by their own weight without being fixed. Door wedges are only placed on the floor and thus prevent the door from falling into the lock unintentionally. Risk of breakage: Door wedges should not be used for glass doors. Soft rubber door stops are suitable for glass.

Doorstops are often made of silver stainless steel. Door stops made of plastic are available in almost all colours. For a harmonious overall appearance, it is worth considering the colour of the glass door and the door fittings.

There are heavy doorstops made of metal that stop doors based on their own weight and can weigh up to a kilo or more. Door wedges made of plastic or wood weigh only a few grams. As with door stops that are screwed into place, the weight does not matter because they are fastened with screws or wedged in place.

Door stops can be made of stainless steel, metal, plastic, rubber or silicone. Door wedges are often made of wood as well as plastic. Sack-like door stops that are placed on the floor are usually made of fabric.

A security upgrade in rented flats, like all changes affecting the building fabric, must be agreed with the owner. It makes sense to obtain written permission, which also excludes the obligation to dismantle the building when moving out. Ideally, change requests can be clarified before the tenancy agreement is signed.

Never just pull the front door closed. Under certain circumstances, they are legally considered to be unlocked. In order to benefit from insurance cover in the event of damage, it is worth checking with your insurance company. Take this opportunity to clarify whether the resistance class of the protective fittings is sufficient.

A security fitting is mounted on the front door and protects the profile cylinder and mortise lock from mechanical impact. This means that the lock cannot be broken open without considerable force - which deters burglars because it costs them time. The goal: to protect your house or flat from unwanted intruders.

Anyone who wants to provide additional protection for their home or property can take one of the following special measures. GRIFFWERK does not sell these products, please contact an appropriate specialist dealer if you are interested.  

• Multi-point lock: A multi-point lock is an alternative to the mortise lock that secures the front door with up to 7 locking elements.  
• Hinge side security: With hinge side security, several toothed elements interlock in order to keep the attack surface for mechanical effects as small as possible. 
• Sturdy striking plate: High-quality striking plates allow the deadbolt and latch of the mortise lock to engage when the front door is closed.
• High-quality locking cylinder: A burglar-proof locking cylinder ensures increased security through drilling and picking protection. 
• Stable door hinges: Door hinges connect the door frame or frame and the door leaf - similar to a hinge. Deeply anchored door hinges protect against the door being prised open.

Good security fittings are labelled with the manufacturer's name or mark, the resistance class and the test number. They are marked with the corresponding test and inspection mark.

Protective fittings protect doors, locking cylinders and handles against manipulation from the outside. They are composed of an inner shield with a door handle or door knob and a resistant outer shield to which a knob, handle or door lever is attached. Screwed from the inside, protective fittings have no attack surface for burglars: nothing sticks out that can be broken off or twisted or pulled out.

Wood dampens better, Glass brings light. Combine Glass with seals and soft-close. This allows you to achieve quiet, pleasant operation.

Yes, if the wall structure and cables fit. Plan dust protection, drywall construction and service openings. Coordinate all trades and the implementation will run smoothly.

Less than swing doors. Seals, a stable Bottom guide and higher leaf mass significantly improve the result. Test the adjustment in everyday life.

Stand on the visible hinge side, not on the lock side. Hinges left = DIN left, hinges right = DIN right. Photograph the side so that everything remains clear.

Maintain matt finishes and Satin frosted Glass regularly with mild cleaners, use microfiber. In this way, the calm, high-quality appearance is permanently maintained.

Hygge emphasizes cosiness, Scandi often brightness and design icons. Lagom focuses on the "golden mean": sufficient, functional, unagitated - even when it comes to Doors & Fittings.

Clear-cut, functional and timeless. Frosted/satin or clear glass doors with fine profiles and frameless Sliding doors underline the calm, uncluttered look.