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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🎥 Video Explanation: Adjusting Groove for Lift-Sliding Door Rollers (such as GU 934)
Perfect — below is a more detailed, technically stronger blog post in your usual style with checkmarks and more in-depth explanation. Suitable for SEO and fitting for Openingstechnieken.com. Adjusting the...
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Apply Tandem GU 934 (in combination with the basic walker set GU 934)
With wider and heavier lift-slide doors you often see: the door runs heavier, feels less stable, or loads the rail at one point. In those situations, the tandem GU 934...
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New Collection: GU Turn-Tilt Window Handles – Lockable and Non-Lockable
At Openingstechnieken.com we introduce a new, carefully curated collection of GU tilt-and-turn window handles 32 mm. This collection is developed for professionals, installers, and private customers who want to professionally...
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GU lift-and-slide door rod guides: proper guidance for 45 mm and 57 mm rebate height
Why rod guides are necessary for a GU lift-slide door (and why rebate height and type of carriage are decisive) With a lift-slide door, attention is often given to visible...
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Recognizing PSK 150 or PSK 200? The difference in rail height explained
PSK 150 or PSK 200? This is how you recognize the difference by the rail height During maintenance or renovation of a sliding door with PSK fittings (PSK =...
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The right rubber set for your GU lift-and-slide door: old type, new type, and middle stile distance
The difference between the old and new rubber package in a GU lift-slide door With GU lift-slide doors, the construction of the rubber package around the center stile has changed...
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Old lift sliding door: replace running wheels and lift lock
Why you need to replace both the running wheels and the GU lift lock on an old type lift sliding door In older lift sliding doors, the door often runs...
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Lock parts for PSK sliding doors
This blog covers lock parts for PSK sliding doors that are mounted within the sliding door itself. It explains how to identify the correct PSK lock part based on FFH...
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Locking systems PSK sliding doors – breakage due to overload and proper replacement
This blog describes common problems with PSK sliding doors and locking systems, such as breakage due to overstrain, broken aluminium teeth, the importance of replacement at all four corners, and...
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Cylinder lock sliding door | GU & Siegenia | SKG**
Cylinder locks for sliding doors from GU, Siegenia, and other brands. SKG**, knob or key, also extra long. Suitable for wood, aluminum, and plastic.
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Frame seals for wooden PSK sliding doors and tilt-and-turn windows: prevent invisible energy loss
✓ Explanation about frame rubbers for wooden window frames✓ Energy loss due to aged window and sliding door rubbers✓ Application for PSK sliding doors and tilt-and-turn windows✓ Most common sizes...
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ACVG 110 stainless steel vs nylon wheels: the difference you notice every day
✓ Comparison between ACVG 110 stainless steel and nylon wheels✓ Insight into rolling resistance, wear, and lifespan✓ Practical advice for heavy sliding doors✓ Exclusive stainless steel version at Van Doorn...
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Repair your sliding door yourself – With video instructions and support for all brands
Repair your sliding door or sliding window yourself? Discover what you can do yourself and get support via video explanation, email, or chat. Suitable for all brands.
