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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GU 31767 or GU 28854? The right replacement.
GU 31767 and GU 28854 replacement Do you have an older GU lift-slide door that is getting heavier to operate or no longer opens properly? Then it is likely that...
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What does an SKG quality mark on sliding door parts mean?
What Does an SKG Certification Mean on Sliding Door Components? When you are looking for secure parts for your sliding patio door or lift-and-slide door, you will often come across...
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Buy more = pay less on sliding door parts
Buy more = pay less on sliding door parts Are you active as a window frame company, maintenance company, installation company, property maintenance company, or sliding door specialist? Then you...
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Plastic window frame brands with GU fittings
Plastic Window Frame Brands with GU Hardware Many people think that the name on their plastic window frame is also the brand of the hardware. In practice, this often works...
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GU ALU-JET 06 scissor set for GU MZ systems – identification of the original scissor arms
GU ALU-JET 06 scissor set for GU MZ systems – identification of the original scissor arms In aluminum tilt-and-slide systems with a GU MZ mechanism, the scissor arms are a...
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Lift-and-slide door won't lock? The cylinder is often not the problem
Lift-and-slide door won’t lock? The cylinder is often not the problem A common situation: the lift-and-slide door no longer locks, and the first thought is that the cylinder is defective....
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MACO Safe center stile stripping – complete explanation and replacement
MACO Safe center stile strips – complete explanation and replacement The center stile of a sliding door is a crucial part for both locking and sealing. MACO systems use MACO...
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Difference between PSK 966 and PSK 968 handles (GU systems)
Difference between GU PSK 966 and PSK 968 handles Introduction When replacing a handle on a PSK sliding door, it is essential to choose the correct type. In practice, confusion...
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Sobinco double fixed rollers – application and replacement
What are double Sobinco rollers Double rollers have two wheels instead of one. This better distributes the weight of the sliding door over the track. This type is often used...
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Sobinco single adjustable roller – identification and adjustment
What is an adjustable Sobinco single roller An adjustable Sobinco roller has one wheel but can be adjusted in height. This allows the position of the sliding door to be...
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Sobinco single fixed roller – identification and replacement
What is a Sobinco single fixed-height roller wheel A Sobinco single roller wheel with fixed height is used in various sliding door systems. This type of roller carriage has one...
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Common Problems with Sliding Doors – Guide for Locksmiths and Installers
Common problems with sliding doors Practical guide for locksmiths, installers, and DIY customers Sliding doors are widely used throughout Europe in houses, apartments, and commercial buildings. For locksmiths, repair companies,...
