All questions like this depend on the market you are in and where you are geographically. You haven't told us either one
how much will it cost to rip out 1300 sq ft of drywall and insulation and replace said
1000 sq ft should do it
32
4' x 12' = 48 sq ft
To determine how much 12 ft drywall you need for your living room walls, measure the total square footage of the walls you want to cover. Divide this total by the square footage of a 12 ft drywall sheet to find out how many sheets you need.
The price to paint drywall typically ranges from $1 to $4 per square foot, depending on factors such as location, the complexity of the job, and the quality of paint used. Additional costs may arise from preparation work, such as patching or priming. It's advisable to obtain quotes from local contractors for a more accurate estimate.
12.5 regular sized sheets will do it.
40 feet x 25 feet = 1,000 square feet.
To determine how many sheets of drywall you need for a 192 sq ft room, first note that standard drywall sheets typically cover 32 sq ft (4 feet by 8 feet). Dividing 192 by 32 gives you 6 sheets. However, it's wise to account for waste and cuts, so purchasing 7 or 8 sheets would be advisable for the project.
Drywall labour costs depend largely on where you do them. Labour costs across North America differ locally.
Measure it 4 ft at a time -you won't be far out at the end.
Torque to 11 lb/ft