Specifications & Testing Data
| Frame material | 3/8" or 1/2" tempered or laminated glass panels in a bottom-rolling aluminum track and low-profile top guide; no vertical framing between panels |
|---|---|
| Design pressure (DP) rating | Not DP-rated as a weather barrier; rated for interior and covered exterior use with an integral drain channel — unlike an NFRC-labeled patio door, it is not an insulated, air-sealed thermal envelope product |
| AAMA performance class | Not an AAMA-rated door; tempered/laminated safety glazing per ASTM C1048 and IRC R308 / IBC 2406; up to 12 panels, 10 ft tall, 330 lb per panel on the published track |
| Glass options | Clear tempered, Low-iron tempered, Laminated (tempered-laminated for exterior and fall-protection locations), Tinted, Frosted |
| Available styles | 1 sliding + 1 fixed, 2 sliding + 2 fixed, 3 sliding + 1 fixed, 4 sliding + 2 fixed, Stacked runs to 12 panels, Step-on floor lock |
What It Actually Is
Crystalia's SGL-1116 is a frameless sliding glass wall: a row of full-height tempered or laminated glass panels, 3/8" or 1/2" thick, rolling in a bottom track that Crystalia calls the lowest on the market, guided by a slim channel overhead. There is no framing between panels — glass edge meets glass edge — and the panels slide past one another to stack at one or both ends of the opening. Up to twelve of them.
It is a different animal from the frameless partitions elsewhere in the line, which top-hang a single door or pair. Here the weight sits on the floor track, each panel carries its own rollers, and the system is rated for both interior and exterior areas, with a drain channel in the bottom track to carry off rain that blows in.
One thing it is not: an insulated exterior door. We install a lot of Marvin scenic doors and other multi-slides, and those are pressure-rated, weatherstripped, thermally broken products that form the wall of the house. The Crystalia wall is single glazing with minimal framing. That makes it lighter, slimmer, and considerably less expensive — and it means it belongs on a covered patio, in a sunroom, or indoors, not on an exposed exterior elevation in an Idaho winter.
Configurations, Glass and Hardware
Crystalia's standard layouts, all of which can stack left, right, or split:
- 1 sliding + 1 fixed — a wide doorway between two rooms
- 2 sliding + 2 fixed — a bi-parting opening in the middle of a run
- 3 sliding + 1 fixed — most of a wall opens, one anchor panel stays
- 4 sliding + 2 fixed — the full covered-patio enclosure
Published limits: 10 feet tall, 12" minimum panel width, 330 pounds per panel on the track, two rollers under every panel. The top guide adjusts up to 1-13/16" and the rollers 3/16" in height — generous adjustment that lets a wall go into an existing opening where the slab and the beam aren't parallel, which describes most porches we measure.
Glass is 3/8" or 1/2", tempered or laminated. We spec laminated for exterior-facing runs and anywhere the glass acts as a guard — laminated glass stays in the opening when broken instead of vacating it. Clear, low-iron, tinted and frosted lites are available.
Hardware is simple by design: a solid handle on the lead panel, a two-component bumper that cushions the close, and a step-on floor lock you engage with your foot. Crystalia lists a large catalog of alternative locks for commercial settings.
Where It Fits in Idaho Homes and Offices
The covered patio is the Treasure Valley use case. A deep porch on a Boise Bench or Eagle foothills home is wonderful in September and useless in March; a sliding glass wall along the outside edge turns it into a three-season room for a fraction of what an addition would cost — stacked wide open for summer evenings, closed against wind and blowing dust the rest of the year. Sunrooms and enclosed lanais on newer Meridian builds work the same way.
Indoors, twelve panels of frameless glass make a serious room divider: a great room that becomes two rooms for a party, a home gym walled off from the kitchen, a hotel ballroom split into breakouts. Restaurants use it to open a dining room onto a patio in July and close it in October.
It also fits the commercial storefront work we already do — a frameless glass front inside a mall or lobby where the exterior curtain wall already handles the weather.
Where it doesn't fit: an uncovered opening, a true exterior wall of a conditioned house, or any spot where you want NFRC energy performance. For those we'll quote a scenic door, and the big-doors cost guide explains why the number is higher.
Codes, Safety Glazing and Installation
All panels are safety glazing, tempered or laminated per ASTM C1048 and the IRC R308 / IBC 2406 hazardous-location rules that apply to doors and anything a person could walk into. A porch enclosure sitting above a grade drop may also bring guard requirements into play; laminated glass and a rail at the right height settle that, and we flag it at the site visit.
Installation is bottom-track work: the track sets level and true first, dead flat across its length, or the panels will drift. The header carries the guide only, not the weight, but we still verify it. Crystalia promotes quick field glazing, and it is — the days go into the layout, not the setting. Wood Windows employees do the work, start to finish.
Warranty and Service, Locally
Crystalia publishes a 2-year warranty on the SGL-1116 system, the most explicit warranty in its catalog. Wood Windows Inc handles any claim and any adjustment out of Garden City: a roller that needs shimming after the slab settles, a lock that's stiff after a dusty August. 46 years of local glass work sits behind that phone call.
Want to close in a porch or open up a room? Request a quote on this page or call (208) 376-2200.
Frequently Asked Questions
How much does a Crystalia sliding glass wall cost installed?
As a typical range, a four-panel frameless run across a 12- to 14-foot covered-patio opening lands roughly in the $12,000 to $22,000 installed bracket, with 1/2-inch or laminated glass, more panels and any header or slab work adding to it. That is meaningfully less than a thermally broken, NFRC-rated multi-slide door of the same width, which is the honest trade: the Crystalia wall buys enclosure and view, not insulation. Our big-doors cost guide compares the two categories.
Is the Crystalia sliding glass wall the same thing as a Marvin multi-slide door?
No, and it's the most important distinction on this page. A Marvin or Andersen scenic door is an insulated, weatherstripped, pressure-rated exterior door that forms the thermal envelope of the house. Crystalia's SGL-1116 is a frameless single-glazed system with minimal framing at top and bottom only — beautiful, far less costly, and rated for interior and covered exterior areas. Use it to enclose a covered patio, a sunroom that already sits inside a conditioned or semi-conditioned space, or to divide big interior rooms. Use the Marvin for the wall of the house.
Can the panels be locked?
Yes. The system's standard is a step-on floor lock — press it with your foot and the lead panel is pinned in the track — with a solid handle and a two-component bumper that quiets closing. Crystalia offers a large selection of locks beyond the standard, including keyed options for commercial storefront-style use inside a mall or lobby. It's a convenience and privacy lock, not a rated entry lockset.
How many panels can stack, and how heavy can each one be?
Crystalia publishes up to 12 panels per run, a 10-foot maximum height, a 12-inch minimum panel width, and a 330-pound maximum panel weight on the track; each panel rides on two rollers. The height guide adjusts up to 1-13/16 inch and the rollers 3/16 inch, which is what lets us fit the wall to an existing slab and header that aren't perfectly parallel. We size panels to the stacking depth available at one or both ends, then confirm weights per lite before order.
Sources & Testing Data
Last reviewed 2026-09-10 by Wood Windows Inc — (208) 376-2200