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All-glass Herculite entrance door in an office lobby

Herculite & Frameless Glass Doors

Elegant, resilient all-glass doors for lobbies, offices and retail.

Frameless "Herculite" doors are the signature look of modern lobbies, corporate offices and high-end retail: a single sheet of thick tempered glass with minimal top and bottom rails, swinging on floor-closer pivots.

RPM Glass fabricates Herculite-style doors in 1/2" and 3/4" tempered glass with polished edges, clear or low-iron glass, and rail, patch-fitting or full-channel configurations. We pair them with concealed floor closers, overhead concealed closers, ladder pulls and electrified locks for access control.

Because all-glass doors depend on precise floor closer alignment, installation matters. Our glaziers set closers level, align pivots and adjust swing so the door glides shut every time — and we service existing Herculite doors that have started to drift or slam.

What's included

  • 1/2" and 3/4" tempered all-glass doors
  • Low-iron ultra-clear glass option
  • Floor closers and overhead concealed closers
  • Patch fittings, rails and sidelites
  • Ladder pulls and custom hardware finishes
  • Electrified locks and access control
All-glass Herculite entrance door in an office lobby

Frequently asked questions

What is a Herculite door?

Herculite is the industry name for a frameless tempered-glass door with small metal rails or patch fittings instead of a full frame. It gives an open, all-glass look.

Can a frameless glass door be locked?

Yes. Rail-mounted deadbolts, electric strikes and magnetic locks are all available and can be tied into your access control system.

Where we provide herculite doors

RPM Glass provides herculite & frameless glass doors throughout Worcester County and MetroWest, including:

Ready when you are

Need glass installed or repaired in Acton?

Clear pricing, a crew that shows up, and 24/7 emergency service across Central Massachusetts and MetroWest.

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