Frameless Shower Doors & Glass Enclosures

Frameless shower doors cost more than framed or semi-frameless options, but many homeowners find them worth the investment. They create a cleaner, more contemporary look, make small bathrooms feel larger, have fewer tracks and seals where mold and soap scum collect, and tend to add resale appeal. Portland Glass can walk you through the trade-offs so you can decide if frameless is right for your space.

Frameless shower enclosures use heavier tempered safety glass—typically 3/8” or 1/2” thick—because there is no metal frame to support the panels. The thicker glass provides the structural stability needed for a frameless design. All glass used for shower enclosures is tempered, which is required by code and significantly stronger than standard glass.

Frameless shower door pricing varies based on glass thickness, size, hardware finish, and whether you add protective coatings like ShowerGuard. Because frameless enclosures use thicker glass and specialty hardware, they typically cost more than framed or semi-frameless options. Portland Glass provides free, no-obligation quotes so you know exactly what to expect before any work begins.

Frameless shower doors are designed with small intentional gaps around the door to prevent pressure buildup, so a few drops of water may escape. Properly installed enclosures with quality sweeps and seals keep water contained to the shower floor. Portland Glass measures and installs every frameless enclosure to manufacturer tolerances to minimize water escape.

Yes. Frameless shower enclosures are made from tempered safety glass, which is heat-treated to be significantly stronger than standard glass. If tempered glass breaks, it shatters into small, rounded pieces rather than sharp shards. Tempered glass is required by code for shower enclosures.

Portland Glass offers several glass options for custom frameless shower enclosures. Standard clear glass, available in 3/8” or 1/2” thickness, is a classic choice. Starphire is a low-iron clear glass that reduces the green tint common in standard glass, allowing more light through and showing the true color of your tile and fixtures. Rain glass (also called obscure glass) provides privacy with a frosted, raised-texture acid-etch finish while still letting light shine through. For low-maintenance options, we also offer ShowerGuard—a permanent protective coating applied during manufacturing that helps prevent water and mineral buildup—and ClearShield, a polymeric coating applied at the end of production that can go on any type of glass.

Wipe down the glass after each use with a squeegee to prevent soap scum and mineral buildup. For deeper cleaning, use a non-abrasive glass cleaner—avoid anything with ammonia, which can damage hardware finishes over time. Adding a permanent water-repellent coating like ShowerGuard or ClearShield makes cleaning even easier by reducing how much water and residue stick to the glass.