It sounds like who ever built the structure never intended to hang anything from the joists. You are not adding allot of weight, but I would still add a joist 2 x 4 so you have 24" centers to work with. that way all of your outside edges and the center will be supported when using 4' x 8' sheets.
The recommended drywall screw pattern for securing drywall sheets to a wall or ceiling is to place screws every 12 inches along the edges of the drywall sheets and every 16 inches in the center of the sheets.
Try a foaming machine. It sprays an dense foam between the walls
To replace the ceiling drywall in a room, follow these steps: 1. Remove the existing drywall by carefully cutting it out and disposing of it. 2. Measure and cut new drywall to fit the ceiling space. 3. Install the new drywall by attaching it to the ceiling joists with screws. 4. Tape and mud the seams between the drywall sheets. 5. Sand the dried mud smooth. 6. Prime and paint the new drywall to finish the replacement process.
The new 'light' half inch sheets are about 32 pounds.
3 x 8 = 24, so 3 plywood lengths will fit the width of the ceiling. 9 x 4 = 36, so 9 plywood widths will fit the length of the ceiling. 3 x 9 = 27 sheets of plywood are required.
A2 paper is 16.5 x 23.4 inches in size. You can get 4 sheets of A4 and 2 sheets of A3 into an A2 sized paper. You will get 8 sheets of A5 into an A2 sized paper.
A2 paper is 16.5 x 23.4 inches in size. You can get 4 sheets of A4 and 2 sheets of A3 into an A2 sized paper. You will get 8 sheets of A5 into an A2 sized paper.
make a hat
Ensure the area is clean and level. Lay down a moisture barrier. Place the plywood sheets perpendicular to the floor joists. Leave a small gap between sheets for expansion. Secure the plywood with screws or nails every 6 inches along the edges and 8 inches in the field. Check for any squeaks and fix them before proceeding. Finish by sanding any rough edges and ensuring the subfloor is smooth and sturdy.
Nucor is a company that provides services in steel products. These products include bars, screws, decks, bolts, nuts, joists, fabrications, sheets, and plates.
Fourteen sheets for the walls. Twenty one and a half for the ceiling.
Twin size sheets are used on hospital beds.