The standard wallboard and fire resistant wallboard in a large variety of sizes were well established in the 1960's. Other types like moisture resistant and acoustic boards were coming into use .
"Drywall primer" -Yes, -it's called exactly that -right on the can !
Regular drywall primer.
No, pumice has nothing to do with drywall.
After drywall primer it can.
Drywall as we know it was first used around 1900.
Cutting drywall before you snap it .
PVA is not commonly used on drywall.
Use drywall compound, or a 'drywall friendly' caulk like Alex ll. This is easy to apply and sets in about an hour, does not shrink in small holes and can be sanded.
A drywall dimpler is a drill bit used to countersink a drywall screw to the proper depth without breaking the drywall paper.
GYPSUM is the main mineral in Drywall.
Drywall is usually made with gypsum.
White is the colour of standard drywall board