CRL Birmingham Series Top Glass-to-Glass Roller Patch

• Cast Stainless Steel Fitting
• Double Set of Rollers
• For 3/8" or 1/2" (10 or 12 mm) Tempered Glass
• For Interior Use Only
• Rated for Panels Up to 110 Lbs. (50 kg)

This CRL Birmingham Series Top Glass-to-Glass Roller Patch provides for smooth, simple bi-fold action where two panels meet in the bi-fold system. The double roller works with the Cat. No. B1R10 Top Track, and mounts on top corners of the glass panels. This Patch comes in a brushed stainless steel finish. Handing is easily field reversible. Two holes per panel in glass are required.


The CRL Birmingham Bi-Folding Top Hung Door System features corner patches to create a modern and elegant look. It can accommodate from two to twelve panels that can be bi-folded to one side or bi-part, with a maximum of six panels to a side. The systems are easy-to-install and a cost-effective solution for commercial or residential interior applications.

There are three kits available from stock: 2 x 2 Bi-Folding, a three panel Bi-Folding, and a four panel Bi-Folding. All with everything you need to complete the installation, except for the glass and the fasteners going into the substrate. However, the combinations do not stop there, you can easily add additional fittings to create the desired configuration of your choice, providing it meets system limitations.

Panels are hinged together with alloy 304 stainless steel patches and suspended from the satin anodized aluminum top track by heavy-duty rollers. Similar patches are used at the midpoint of the panels to ensure safe operation on openings taller than 104" (2.6 m).

Matching bottom patches with guide pins slide inside a floor mounted continuous channel maintaining proper alignment of the panels as they fold open and closed.

Maximum panel weight of 110 lbs. (50 kg), with a maximum width of 29" (737 mm) and maximum height of 118" (3 m). Fittings can accommodate 3/8" or 1/2" (10 or 12 mm) tempered glass and require two holes per door, per fitting, and notches for the center lock housings. The top and bottom tracks come in 118" (3 m) lengths.

Optional Slim Line Locking Handles and Receiver Handles are available.


Product Warning:

STRUCTURAL DISCLAIMER - All customers who in any way utilize this product are solely responsible to consult a structural engineer to determine the suitability of the product for the intended use and site conditions. All installers must be qualified and have professional knowledge about compliance with local, state and federal regulations, safety factors, and the appropriate choice of fixing material and procedures.

Stainless Steel Advisory: