Free Interactive Tool
Answer a few questions about your project and we will recommend the right glass thickness, type, and code requirements. Works for windows, shower doors, railings, table tops, partitions, shelves, and floor panels.
Select the application to determine the right glass specifications.
Reference Guide
A quick reference for standard glass thicknesses and their typical applications in residential and commercial projects.
1/8"
3mm
Picture frames, small windows, interior sidelights, cabinet inserts
Lightest standard thickness. Not suitable for large unsupported spans.
3/16"
5mm
Standard windows, small shelves, display cases, interior partitions
Common for residential window replacements under 12 sq ft.
1/4"
6mm
Large windows, table tops, interior doors, commercial glazing
The most versatile thickness. Required for larger window panels.
3/8"
10mm
Shower doors, railings, heavy shelves, large partitions
Standard for frameless shower enclosures and glass railings.
1/2"
12mm
Large shower panels, exterior railings, heavy table tops, storefronts
Premium frameless applications and high-load structural glazing.
5/8"
16mm
Bullet-resistant laminates, aquarium panels, specialty structural glass
Specialty thickness, typically laminated for specific performance requirements.
3/4"
19mm
Glass floors, staircases, bridges, high-load structural applications
Structural-grade. Always laminated. Requires engineering.
1"+
25mm+
Multi-ply floor panels, blast-resistant glass, security glazing
Custom-engineered assemblies for extreme load or security requirements.
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