240" B5L Series Low Profile Square Aluminum Base Shoe Drilled for 1/2" to 5/8" Glass

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CRL B5L20D6 240" B5L Series Low Profile Square Aluminum Base Shoe Drilled for 1/2" to 5/8" Glass

Item #: B5L20D6 by CR Laurence

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$1,237.49 /each

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  • For 1/2" to 5/8" (12 to 16 mm) Monolithic Tempered Glass
  • Pre-Drilled in 10' and 20' Lengths
  • Lower Profile Desired in Residential and Yacht Applications
  • Typically Used as the Base Channel for Glass Railing Systems or Windscreens
  • Custom Cutting and Mitering Service Available

Stock Length

240" (6.10 m)

Hole Size

9/16" (14.3 mm)

Counter Bore X Depth

7/8" (22 mm) x 1/2" (12.7 mm)


6" (152 mm)







Glazing Thickness


Drilling Center to Center




The CRL B5L Series Custom Low Profile Square Aluminum Base Shoe is used as the base channel for glass railing systems. It can be clad in several choices of architectural finishes. The Low Profile Square Aluminum Base Shoe is for use with the Wet Glaze System only. The most critical component in a railing system is the proper attachment of the Base Shoe to the substrate. CRL has engineered a variety of attachment methods, and has developed an acceptable combination of drilling patterns and fasteners.
1/2" (12 mm) to 5/8" (16 mm) Thick Glass when using the Wet Glaze System.
Low Profile Square Base Shoe cannot be used for the TAPER-LOC® Dry Glaze System.
SHIPPING NOTE: Due to the difficulty in packaging and handling 20' (6.1 m) stock lengths, it is suggested that you Will Call these at any of our distribution centers. If requiring shipment, all packaging and handling concerns must be agreed to by CRL and the customer prior to shipping. All shipping arrangements will be documented on your quotation for your signed approval.
Product Warning:
1/2" or 5/8" (12 or 16 mm) Thick glass when using Wet Glaze System. Caution: Low Profile Square Base Shoe cannot be used for the Wedge Dry Glaze System. CRL does not recommend direct powder coating of this base shoe extrusion. Powder coated cladding applied over the base shoe is the recommended method.
All pre-drilled CRL Base Shoes have a +1/8 (3 mm)/-1/16 (1.5 mm) tolerance between each hole drilled in the base. Before drilling installation holes in the concrete or steel substrate it is recommended that the installer place the base shoe into the planned final position, then mark the position of the holes to be drilled into the substrate.

Most shipping weights are approximate and have not been verified. If the exact weight is needed in order to determine shipping costs, and shipping costs are required in order for you to complete your order, please request this prior to submitting your order by contacting CRL Customer Service. Product images shown are of the actual product or a close representation. Colors can vary depending on your computer's video card and on how your monitor's color is adjusted.