Interior doors

Prehung or slab, the rough opening, and what sticks or won’t latch.

• Attach your Sheet so people see your sizes and the math.
• Your town is enough. Never your address; check photos for house numbers and plates.
• Is it safe? A safety question here goes to pros verified in general contracting or carpentry, unless you pick another trade. Only they can call it safe or unsafe.

30″ × 6′ 8″ door: a 32″ × 82-1/2″ rough opening, a 4-9/16″ jamb (for a 4-1/2″ wall), and the shims, nails, casing and knob.

What people get wrong:

• Ordering the wrong hand. A left-hand door can’t become a right-hand one.
• Hinge jamb not plumb. The door swings open or closed by itself.
• Over-shimming. Shims driven too hard bow the jamb, and the door rubs.

The worked example, every line's math and the code notes · Your own sizes in the app

• Framing and walls: Building and moving interior walls, studs, plates and headers
• Load-bearing walls and beams: Taking out walls, beams, posts and what holds the house up
• Additions: Adding rooms: shells, foundations, framing and permits
• Drywall: Hanging, taping and finishing walls and ceilings
• Drywall patches and cracks: Holes, cracks, nail pops and water stains
• Plaster walls: Old plaster and lath: cracks, repairs and skim coats
• Trim and molding: Baseboard, casing, crown and chair rail
• Closets and shelving: Closet systems, shelves and built-ins
• TV mounting: Mounting TVs on drywall, studs, brick and over fireplaces
• Media walls and feature walls: TV walls with niches, LED strips and shelves
• Insulation: Walls, attics and floors: batts, foam and blown-in
• Soundproofing: Quieter walls, floors and ceilings
• Every group

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