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Interior fit-out
Partition wall systems
Logistics
Products
Partition wall systems
Solid wall T10
Single-glazed T42
Single-glazed T43
Single-glazed T46 EI30
Double-glazed T34
Double-glazed T34 NATURE
Double-glazed T35
Double-glazed T65
Triple-glazed T34 EI30
Triple-glazed T36 EI30
All-glass T50
All-glass T50 LOFT
All-glass T55
Room solutions
GK SPACES
GK CUBE
GK LUMEE
Door Systems
Solid doors
Glass doors
Tube frame doors
Tube frame door with flush glazing
Fire doors
Sliding doors
All-glass sliding soundproof door
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Technical data sheets
CAD data
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Property Report
Four, Frankfurt am Main
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Services
Interior fit-out
Partition wall systems
Logistics
Products
Partition wall systems
Solid wall T10
Single-glazed T42
Single-glazed T43
Single-glazed T46 EI30
Double-glazed T34
Double-glazed T34 NATURE
Double-glazed T35
Double-glazed T65
Triple-glazed T34 EI30
Triple-glazed T36 EI30
All-glass T50
All-glass T50 LOFT
All-glass T55
Room solutions
GK SPACES
GK CUBE
GK LUMEE
Door Systems
Solid doors
Glass doors
Tube frame doors
Tube frame door with flush glazing
Fire doors
Sliding doors
All-glass sliding soundproof door
Projects
Downloads
Brochures
Technical data sheets
CAD data
Call for proposals
Terms, conditions and certificates
Company
News
Locations
Sustainability
History
Careers
Jobs
Academic studies
Apprenticeship
Internship
