Channel Letter: Backlit

This drawing is applicable for channel letters secured flush to an exterior wall surface.  Design is based on letters or shapes with a height range of 42.125” – 47” (1070mm – 1194mm), a maximum depth of 5” (127mm), maximum weight of 37 lbs. (16.78kg) per letter and an overall length of less than 50′-0″ (15.24m).

Drawings include wall fastening specifications for a generic letter size and/or shape.  This drawing can be paired with site-specific artwork provided that the proposed letter sizes and specifications are within the range and meet the criteria specified on the drawing.

The purchaser must review all drawing information, including the critical information below, for this sign type to ensure that this drawing will cover all aspects of the site-specific channel letters.  Sign Spec recommends that the actual wall conditions at site be verified prior to purchase to ensure that they match one of the wall sections provided in the drawings.

The drawing includes fastener specifications and attachment details for the following six (6) common wall cross sections:

• Stucco & Rigid Insulation (EIFS) on Plywood Sheathing
• Stucco & Rigid Insulation (EIFS) on Gypsum Sheathing
• Pre-cast or Cast in Place Concrete
• Concrete Masonry Units (Hollow Concrete Block)
• Brick Veneer with Plywood or Gypsum Sheathing
• ACM (or Metal Siding) on Plywood Sheathing

Sample of typical wall sections can be found here

These drawings can only be used at one (1) municipal address for the quantity of signs purchased.