Painting Drop Ceilings

We are building our own home to earn equity program. My husband hung our drywall using 1/2 inch sheets on the ceilings with 24" in between joists. We have been told by our drywall finisher that the ceiling will sag because we were supposed to use 5/8. Is there anything we can do now to correct...

Is there a product to fill in popcorn ceilings. Do not want to remove because of cost related to asbestos.

We are having condensation problem in a closet on the ceiling. When checking out the attic for a problem we find that the floor of the attic in that area and the insulation is dry. But in the bedroom area in the attic we find that where a large piece of plywood lays there is condensation on...

I just removed a wall that was separating my livingroom and my kitchen and now they are two different levels. My kitchen is about a inch lower than the living room.my kitchen is drywall and my living room is ceiling tile how could I join the two rooms without building a header to go over it

I just bought my grandmothers 1960 ranch. I would like to install a cathedral ceiling in the living room area, is this possible for a Do it yourselfer? It has bolted 2x6 W truss roof I am looking to do approx 15 foot wide section. Would a wall out of 2x4's for the sheet rock at the center beam be...