Insul-Frame 300 Series Thermal Steel & Glass Door Sets
Our Insul-Frame Steel and Glass Door Sets are specially designed for applications where insulation values, frame condensation, and sound transmission class (STC) ratings are essential. Each door panel includes insulated glass, a fully sealed frame, core filled on all four sides, as well as locking hardware and a variety of pull handles and assist hardware. For performance reasons, these doors are designed to swing only. This system is compatible with our 3000 Series modular wall system
Popular Applications: VIP Private Dining/ Wine Cellars/ Music Studious
Customers Love This Function: Sound and Thermal Qualities with a Sleek Look
Customers Often Add: Modular Sidelight Panels
Popular Selected Finish: Matte Black Powder Coat
EXPRESS QUOTE
DOOR PANEL FAQ:
Door Panel Capabilities:
Steel and Glass Thermally Enhanced/ Poly Core Filled/ Swing Only Door Panel/ Standard 1” x 3” thermal core filled, fully sealed frame.
More information:
- Doors feature a 1-1/2” x 1-1/2” steel frame profile.
- All frames are thermally enhanced for better insulation.
- Each door is filled with a poly core for added insulation value.
- A magnetic concealed locking system ensures a positive seal.
- The full seal includes an integral adjustable threshold.
- Continuous gaskets and internal silicone seals are included.
- The system is pre-glazed and comes with hardware already installed.
- Doors are pre-hung for a simple DIY installation.
Recommended Hardware:
- Low-E/Argon Insulated Glass Units
- Mid Rail and Bottom Rail Locks
- Hydraulic Low-Profile Closer System
- Door Seal Alarm

For The Enthusiast, Not Hobbyists