Cast Metal Sign Letters Mounting Methods
Index/Order Calculator – Font Styles – Letter Sizes – Finishes – Colors – Mounting Options – Symbols & Logos
Rear Stud Installations
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Stud Notes
 Cast Metal Sign Letters have threaded stud bosses for thread insertion.
Flat Cut Metal Sign Letters have tapped holes for stud insertion and are stud welded.
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Flush Mounting
 Studs are set in adhesive cement. There is no space between the metal letter and the mounting surface.
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Projected Jam Nut Mounting
 Studs are set in adhesive cement. Stainless steel jam nuts are inserted between the cast metal sign letter and the mounting surface.
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Projected Spacer Mounting
 Studs are set in adhesive cement. Pre-cut spacers are inserted between the cast metal letter and the letter mounting surface.
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Corrugated Mounting
 Studs are set using jam nuts on the front and back of the corrugation. You will need access to the rear of the wall for this letter application.
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Flat Metal Wall Mounting
 Where you have access to the rear of the wall, washers and nuts are used on both sides of it.
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Rail & Bottom Stud Installations
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Double Rail
Call Zip Sign Letters at 800-270-3343 to order this option
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Double Rail Letter Installation
Ships unassembled.
- $20 per letter. Maximum single piece length is 8 feet. Additional shipping charges may apply. Anodized rails $25 per letter.
- 2 Rows of rails secured to back of letter with stainless steel screws. Available on letters 4″ to 24″ high. Aluminum letters only.
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Bottom Rail:
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Top Rail:  |
Call Zip Sign Letters at 800-270-3343 to order either of these options
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Bottom or Top Rail Installation
Ships unassembled.
- $17 per letter. Maximum single piece length is 8 feet. Additional shipping charges may apply. Anodized rails $20 per letter.
- Letters drilled and tapped from the bottom with stainless steel screws going through aluminum rails.
- Avaiable on letters 4″ to 24″ high; 3/8″ or thicker. Aluminum letters only.
- Letter backs are available finished and painted, add 15%.
- Letters with round bottoms (i.e., O, S, G, etc.) will have a flattened base to receive studs. Exterior applications greater than 8″ letters require tiebacks (not supplied). Installer will have to drill mounting holes in rail ends, location based on mounting surface.
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Bottom Stud:

Call Zip Sign Letters at 800-270-3343 to order this option
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Bottom Stud Installation – no rail
- $10 per letter. Minimum 3/8″ thick.
- Letters drilled and tapped from the bottom. Customer to provide their own bar or channel for mounting.
- Letters with round bottoms (i.e., O, S, G, etc.) will have a flattened base to receive studs. Exterior applications greater than 8″ letters require tiebacks (not supplied).
- Note: Installing any metal letters to metal rails of other composition can create galvanic corrosion at stud locations.
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Notes on all rail installations:
- Aluminum letters 4″ to 24″ only.
- Rail standard is black baked enamel finish. Other colors available. C-channel is standard; bar stock may be substituted by Zip Sign Letters.
- Anodized bars are also available.
- Ships unassembled.
- Additional 15% charge to finish back of letters.
- Specify if rails are to be flush with ends or extended beyond first and last letter.
- Additional shipping charges may apply.
- Maximum single piece length is 8′.
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