In the building of any property, there are a number of openings that are framed or cut into the walls, floors and ceilings of the creating in order to make a area for specific points such as windows, doors, stairways and even medicine cabinets and toilet paper holders. Chem-Pruf’s Retrofit Style 4 equal rabbet frame has a profile of 1 ¾” x five ¾” and is normally utilised to maximize door leaf size. So if you were framing for a 36-inch door, the rough opening would be 38 inches wide. Chem-Pruf’s Style 2 frame has a profile of three/4” x 5 three/4” with a fixed 2 five/8” return designed to trim the wall, concealing rough and unfinished wall surfaces and can be rated up to 90 minutes. Bypass doors (doors that slide previous one a different on a track) with a wood frame, the rough opening is the general width … Read the rest