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The CRL B7S Series Heavy-Duty Square Base Shoe is used as the base channel for glass railing systems. It can be clad in six choices of architectural finishes. The most critical component in a railing system is the proper attachment of the Base Shoe to the substrate. CRL has engineered and tested a variety of attachment methods, and has developed an acceptable combination of drilling patterns and fasteners. A printed brochure with instructions, installation hints, cleaning, and refinishing techniques is available.
GLASS SPECIFICATONS:
3/4" (19 mm) Thick Glass when using TAPER-LOC® Dry Glaze System or Wet Glaze System.
Product Warning:
All heavy Base Shoes have a stock length tolerance of plus or minus 3/4" (19 mm). 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.
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CRL B7S20D B7S Series Mill Aluminum 240" Square Base Shoe Drilled for 3/4" Glass
Item #: B7S20D by CR Laurence
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- For 3/4" (19 mm) Monolithic Tempered Glass
- Typically Used as the Base Channel for Glass Railing Systems in Arenas
- Drilled and Counter Bored 12" (305 mm) Center-to-Center, or We Will Custom Drill to Your Specifications
- Custom Cutting and Mitering Service
- Test Reports Available
- CRL Glass Railing Systems Meets NBC Load Requirements When Installed in Accordance to ICC-3269
Center to Center
12 in (305 mm)
Counter Bore and Depth
7/8 x 1/2 in (22.2 x 12.7 mm)
Hole Size
9/16" (14.3 mm)
Stock Length
240" (6.10 m)
Counter Bore X Depth
7/8" (22 mm) x 1/2" (12.7 mm)
Holes Drilled C.T.C.
12" (305 mm)
Height
4-1/8
Finish
Mill
Material
Aluminum
Length
240
Width
2-3/4
Glazing Thickness
3/4
Profile
Drilled
Glazing Type
Monolithic
Drilling Center to Center
12
Finish/Color
Mill
The CRL B7S Series Heavy-Duty Square Base Shoe is used as the base channel for glass railing systems. It can be clad in six choices of architectural finishes. The most critical component in a railing system is the proper attachment of the Base Shoe to the substrate. CRL has engineered and tested a variety of attachment methods, and has developed an acceptable combination of drilling patterns and fasteners. A printed brochure with instructions, installation hints, cleaning, and refinishing techniques is available.
GLASS SPECIFICATONS:
3/4" (19 mm) Thick Glass when using TAPER-LOC® Dry Glaze System or Wet Glaze System.
Product Warning:
All heavy Base Shoes have a stock length tolerance of plus or minus 3/4" (19 mm). 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.
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