GU PSK 200 trolleys over the years: which model do you have?
GU PSK 200 Carriages Over the Years: Which Model Do You Have? A GU PSK 200 sliding door often lasts for decades. During that time, Gretsch-Unitas (GU) has developed various...
GU PSK 200 trolleys over the years: which model do you have?
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Replacing + adjusting sliding door wheels
Replace and Adjust Sliding Door Wheels: A smoothly operating sliding door is essential for convenience and comfort in your home. Over time, the sliding door wheels can wear out, making...
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Replacing sliding door hardware
Replace sliding door hardware When replacing the lift slide rollers or the lift slide lock, the entire system must be replaced. The new lock has a different transmission (ball) than...
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Sliding doors with lock on the outside
Sliding door with lock on the outside A sliding door with a lock on the outside is ideal when you use the sliding door as an entrance and exit. This...
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Shop location Van Doorn Opening techniques
Store location of Doorn Opening techniques: Early 2019 was a milestone for Doorn Openingstechnieken: we moved to a new and larger location at Valeton 27a, 5301LW in Zaltbommel. This step...
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Sliding Door Hardware Black
GU Sliding Door Fittings in Black: Stylish and Functional When repairing sliding doors throughout the Netherlands, we see more and more interiors where black plays a prominent role. This color...
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Replace sliding door handle of fitting
Replace sliding door handle sliding door Replace Sliding Door Handle and Fittings with Gretsch-Unitas (GU) A well-functioning sliding door is essential for the convenience and safety of your home. Sometimes...
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Worn rail aluminum sliding door
Worn rail aluminum sliding door Causes and solutions An aluminum sliding door is a beautiful and functional addition to your home. However, over time, a common problem can arise: worn-out...
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Sliding door running wheels broken
"Loopwheels of the Sliding Door Broken? Here's How to Fix It!" A sliding patio door is a beautiful addition to your home, but what if it suddenly doesn't slide smoothly...
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Problems with sliding door handles
Sliding Door Handle Broken? Here's How to Fix It! A well-functioning sliding door is essential for smooth access to your garden or balcony. But what if the handle breaks? Problems...
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Sliding door wheels broken
The perfect sliding door wheels for any application When choosing the right sliding door wheels, it all comes down to quality, durability, and the right fit. Whether it's for a...
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Rubber worn sliding door
Wear of sliding door seals: How to recognize it and replace them in time? A common problem with sliding doors is the wear of the seals. This can have various...
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GU Sliding door lock replacement
How do you replace the locking mechanism of a sliding patio door? A well-functioning lift lock is essential for the smooth operation of your lift sliding door. However, over time,...
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Replace GU Tilt and Turn Fittings
Replace GU tilt-and-turn hardware Which GU tilt-and-turn hardware do I need? Are you looking for new tilt-and-turn hardware for your sliding door or window? In our webshop, we offer a...
