Key Specifications of Waterson Glass to Glass Door Hinges
- Door Height: Up to 6 ft (2 pcs) / 7 ft (3 pcs)
- Door Weight: Up to 150 lbs (2 pcs) / 260 lbs (3 pcs)
- Glass Thickness (Self-Closing side): 8mm to 13.52mm (5/16" to 9/16")
- Glass Thickness (Fixed/Non-Moving side): Up to 21.52mm (27/32")
- Material: Stainless Steel 304. SS316 available on selected models
- Finish: Satin Stainless Steel (US32D), Flat Black (US19)
- Type: Hydraulic Soft-Closing
- Features: Standard (B Models), Hold Open (D Models)
Application: Frameless office partitions, glass shower enclosures, commercial glass entrances, showrooms, hospitality interiors, and pool fence gates.
Common Problems with Standard Glass Hinges
Many glass door setups use patch fittings or floor pivot systems that require drilling into the floor slab. Over time, these create real problems:
- Floor damage: Core drilling into finished concrete or tile is permanent and costly to repair if the hinge needs repositioning
- Heavy opening force: Floor springs are notoriously stiff, making the door hard to open and non-ADA compliant
- No soft-close control: Most patch fittings offer zero damping, so glass panels slam shut and risk cracking at the edges
- Limited glass thickness compatibility: Many competing hinges only work within a very narrow thickness range, leaving thicker fixed panels with no good solution
Waterson K51GG is engineered specifically to solve all four of these problems in one unit.
What Makes Waterson Glass-to-Glass Hinges Different
Most glass hinges on the market rely on patch fittings or floor pivots that require drilling into the slab. Waterson K51GG is one of the few hinges in the world engineered to clamp directly onto glass panels on both sides, with no frame required and no floor cutting needed.
Built by investment casting, the hinge body delivers superior structural strength and load capacity. The integrated hydraulic mechanism controls closing speed and force, so your glass door closes smoothly and quietly every time, whether it is the first use or the ten-thousandth.
Glass-to-Glass Hinges vs Floor Spring
While floor springs remain common in large glass entrances, their installation requires core drilling and slab preparation. Waterson K51GG achieves the same closing performance without touching the floor, making it ideal for retrofits, tenant fit-outs, and modern frameless systems.
Glass-to-Glass Hinge Advantages
- Self-Closing and Soft-Close in One Unit: No separate overhead closer or floor spring needed
- Direct Glass Clamping: Black gaskets grip the glass panel firmly on both sides without damaging the surface
- No Floor Drilling: Keeps finished floors intact, ideal for retrofits and tenant fit-outs
- Heavy-Duty Capacity: 2-hinge set supports up to 150 lbs; 3-hinge set up to 260 lbs
- Adjustable Closing Speed: Fine-tune tension and speed after installation with a hex key
- Hold-Open Option: 90° hold-open available on D-series models for high-traffic areas
- Stainless Steel 304/316: Rust-resistant for interior and coastal/outdoor environments
- In-Swing and Non-Handed Design: Works for both left and right swing configurations
- ADA Compliant: Opening force under 5 lbs, closing time over 5 seconds
Where Glass-to-Glass Hinges Are Used
- Office partitions and conference rooms: Clean frameless look with reliable automatic closing
- Frameless glass shower enclosures: Soft-close protects glass from impact in wet environments
- Commercial glass entrances and storefronts: High-traffic doors that need consistent, code-compliant closing
- Showrooms and hospitality spaces: Transparency and visual continuity without sacrificing function
- Pool fence gates: Glass-to-glass pool enclosures requiring self-closing for safety code compliance
How to Install Glass-to-Glass Hinges
- Choose the right set: 2 hinges for doors up to 150 lbs, 3 hinges for up to 260 lbs
- Position hinges on the fixed glass panel first, then align the swing panel
- Clamp both sides using the included gaskets and fasteners
- Check swing alignment before final tightening
- Adjust self-close tension and soft-close speed with the hex keys included
No floor cutting. No frame modification. Installation typically takes under 30 minutes.
Frequently Asked Questions
Can glass-to-glass hinges support heavy glass panels?
Yes. A 2-hinge set supports doors up to 150 lbs, and a 3-hinge set handles up to 260 lbs. For very large or heavy panels, contact us to confirm the right configuration.
Do I need to drill the floor to install glass-to-glass hinges?
No. Waterson K51GG clamps directly onto both glass panels with no floor drilling required. This protects your finished floor and makes installation significantly faster.
What glass thickness do these hinges support?
The self-closing (swing) panel accepts glass from 8mm to 13.52mm (5/16" to 9/16"). The fixed non-moving panel can be up to 21.52mm (27/32") thick.
Are these hinges suitable for outdoor or wet environments?
Yes. SS316 stainless steel is available on selected models for superior corrosion resistance in outdoor, coastal, and high-moisture environments like pool enclosures and exterior shower areas.
Can the closing speed be adjusted after installation?
Yes. Both tension and closing speed can be fine-tuned post-installation using the included hex keys, without removing the door.