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In construction, “stops” refer to the small pieces of wood or other materials installed around the perimeter of a door or window frame to hold the sash, casing, or hardware in place. Stops prevent the sash or casing from moving too far inward or outward, ensuring proper operation, alignment, and weatherproofing of doors and windows in residential, commercial, and industrial buildings.

Function

The primary function of stops in construction is to:

  • Hold Sash or Casing in Place: Stops hold the sash or casing in place within the door or window frame, preventing them from moving too far inward or outward and ensuring proper operation, alignment, and weatherproofing.
  • Enhance Weatherproofing: Stops enhance the weatherproofing of doors and windows by providing a tight seal between the sash or casing and the frame, preventing air infiltration, water penetration, and energy loss.
  • Provide Support for Hardware: Stops provide support for hardware, such as locks, hinges, and handles, ensuring their proper alignment and functionality.

Installation

The installation of stops typically involves the following steps:

  1. Select Material: Select a suitable material for the stops, such as wood, PVC, or metal, based on the desired appearance, durability, and weather resistance.
  2. Cut to Size: Cut the stops to the required length and width, based on the dimensions of the door or window frame and the thickness of the sash or casing.
  3. Prepare for Installation: Prepare the stops for installation by cutting the ends at a 45-degree angle to form mitered corners, ensuring a tight and seamless fit against the frame.
  4. Install: Install the stops around the perimeter of the door or window frame, securing them in place with screws, nails, or adhesive, and ensuring that they are level, flush, and properly aligned with the frame.
  5. Seal and Finish: Seal the joints and edges of the stops with caulk or sealant to prevent air and water infiltration and ensure weather resistance, and finish the surface with paint, stain, or varnish to enhance its appearance and durability.

Applications

Stops are used in various construction applications, including:

  • Door Construction: Stops are used in door construction for interior and exterior doors, providing support, enhancing weatherproofing, and ensuring proper operation of the sash and hardware.
  • Window Construction: Stops are used in window construction for casement windows, double-hung windows, and other window types, providing support, enhancing weatherproofing, and ensuring proper operation of the sash and hardware.
  • Cabinet Construction: Stops are used in cabinet construction for kitchen cabinets, bathroom vanities, and other storage units, providing support and ensuring proper alignment of the doors.

Conclusion

In construction, stops refer to the small pieces of wood or other materials installed around the perimeter of a door or window frame to hold the sash, casing, or hardware in place. By holding the sash or casing in place, enhancing weatherproofing, and providing support for hardware, properly installed stops are essential for ensuring the functionality, weather resistance, and aesthetic appeal of doors and windows in various residential, commercial, and industrial buildings.

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