Cast Abrasive Thresholds
Short form specifications
Thresholds will be BarryCraft Alumatread or Feratread style as manufactured by Barry Pattern & Foundry Co., Birmingham, AL. Threshold surface will have silicon carbide abrasive, a minimum of
2-1/4 ounces per square foot to a minimum depth of 1/32 of an inch. All castings will be of uniform quality, free from blow holes, shrinkage defects, swells, cracks or other defects. Threshold will be true to pattern. Castings will be free of fins, burrs and slag. Cast iron will have one coat of black paint. Aluminum will have a natural sand cast finish.
Standard drilling will be for 1/4" flat head machine screws in one or two rows dependent on width. The standard hole diameter is 5/16".
Standard fastener will be tapcon anchor screws, or expansion shields. Ends of thresholds may be notched to your detail.
Saddle types
Standard widths: 4", 5", 6". Other widths to order.
Standard surfaces: Fluted abrasive.
Other surfaces available: Cross-hatched or plain must be specified.
Stop types
Standard widths: 4", 5", 6". Other widths to order.
Standard surface: Plain abrasive.
Other surfaces available: Cross-hatched or fluted abrasive must be specified.
Profiles and installations
(Click on images to enlarge)