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Reference: Corten Wikipedia
Artificial Weathering Help: How to Promote Rusting
Images shown above are of Stainless Steel and Corten Rusting Steel
Weathering steel, often referred to by the genericized trademark COR-TEN steel and sometimes written without the hyphen as corten steel, is a group of steel alloys which were developed to eliminate the need for painting, and form a stable rust-like appearance after several years exposure to weather. U.S. Steel holds the registered trademark on the name COR-TEN. The name COR-TEN refers to the two distinguishing properties of this type of steel: corrosion resistance and tensile strength. The surface oxidation of weathering steel takes six months, but surface treatments can accelerate the oxidation to as little as two hours. Typically ready to ship in 8 to 10 production days.
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The no-mount option is for when you want to glue letters directly to a flat surface using some kind of adhesive such as silicon caulk or liquid nails. The problem with this type of installation is that glue tends to squeeze out the edges and it can get very messy. Also, until your glue sets the letters can move around and for large letters that means you need to use long strips of masking tape to hold them in place.
DOUBLE FACE TAPE MOUNT
Double sided tape for mounting large letters is not something you should do. If the letters come loose and fall, they could hurt someone and you could be sued. If outdoors they may pose a threat of theft. For this reason we do not offer double side tape mounts on any metal letters greater than 6" tall. For indoor use, the double sided tape mount should never be relied on entirely. Always add spots of silicon caulk or construction adhesive between the strips of tape to ensure that the letters will not fall if the tape dries out.
WELDED STUD MOUNT
Only available on 1/8" material thickness. Welded studs are prone to failure and we recommend the 1/4" material option with drilled and tapped studs that are removable. A stud mount of one form or another is required when ordering Polished or Anodized letters because the manufacturing process cannot be done without them.
REMOVABLE STUD MOUNT
The most popular mount with cut metal letters is the stud mount. Aluminum letters and numbers with removable or screw in studs, have been drilled and tapped on the back of the letter to accept the stud. The stud then gets glued into your mounting surface with silicon caulk or epoxy and holds the letters firmly in place. All stud type mounts require a mounting pattern to properly locate where to drill for the studs. A stud mount of one form or another is required when ordering Polished, Anodized or Powdercoated aluminum letters because the manufacturing process cannot be done without them.
EDGE STUD MOUNT
The bottom stud (or top or both!) gives you tapped holes in the edge of the letters for mounting in a vertical configuration. Metal letters have to be at least 3/8" thick to drill the holes and the letters have a minimum height of 4" Round letters will have flat bottoms and the same applies to top drilled letters. Metal letters 8" or more must by code have tie backs when used outside. We do not supply tie backs.
BOTTOM/TOP RAIL MOUNT
Maximum length of rail is 8ft and not available for letters greater than 24" or less than 4". Metal letters are bolted through the rail into their edge and can be done either on the bottom, the top or both by request. This ordering form only provides a single rail on the bottom of the letters. For additional options please contact us for a quote.
BACK RAIL MOUNT
The double rail is mostly used for installation on metal corrugated buildings. It does detract from the look of the sign and is considered old school. In today's world a metal conduit raceway from home depot would look better to mount your letters on, and they come ready finished. Double rail mount has a maximum 8ft length and the rails are pre drilled to accept the letters ordered with screws that go through the rail into the letters. Assembly is required.
ANGLE BRACKET MOUNT
Angle bracket is mounted to a flat surface like a roof parapet and the letters are attached to the rail at the bottom only. This mount will require tie backs if outside and over 8" letter height.
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