If the walls you re planning to drywall are between 8 ft.
Drywall gap between sheets.
If necessary trim the sheet to leave a half inch gap.
Drywall compound and tape make drywall hanging very forgiving when it comes to gaps naturally the smaller the gap the better for both walls and ceilings i have seen some bad jobs where the gap was.
Tall consider ordering special 54 in wide sheets of drywall to avoid an extra horizontal joint.
Just fill em up before you get to work taping.
The blade of a drywall square is about 1 8 inch thick and does the trick.
Use a drywall knife to fill the large gaps with ready mixed joint compound.
However during installation be religious about keeping that 1 8 inch space between sheets by using a guide.
There should be a slight gap between the floor and the drywall so that the drywall won t jam against bumps in the floor.
Cut the strip if possible from the paper covered edge of the sheet with a utility knife or drywall saw.
The baseboard will cover it later.
Gaps 1 8 inch or wider between drywall panels can give a drywall installation an amateur appearance but gaps aren t the end of the world.
The side that s gray or ivory should face the room.
You ll find 54 in wide drywall at drywall suppliers or you can special order it from most home centers and lumberyards.
Allow the joint compound to dry until it s white or according to.
Thinner drywall sheets such as 1 4 or 3 8 will sag in between rafters over time.
Tips for drywall sheets always choose thick sheets 1 2 or 5 8 if you re installing drywall on your ceiling.
This is very important to do after your drywall is finished you must fill any gaps you must use a special compound to ensure that it will not shrink or tak.
It s important to know each side of the drywall sheet.