Drywall and plaster are forgiving until they are not. A hairline crack may be seasonal movement, a brown ring may be the end of a roof leak, and a bulge in the ceiling may be water sitting behind the paint. Describing the size, the location, and how long it has been there helps a local professional decide whether this is a patch, a repair, or a conversation for another trade first.
Call now
- Water is coming through the ceiling, or a bulge is holding water above the paint.
- A ceiling or wall has cracked in a wide arc and feels soft or moves when pressed.
- A large section of plaster has come loose overhead and is still hanging.
Can usually wait
- A hairline crack above a door or along a seam that has not changed size.
- A doorknob hole or a small area of damaged paint in a room you can close off.
- Nail pops and a few cracks in a ceiling that is dry and firm to the touch.
Have this ready
- The room, the size of the damage, and a photo with something for scale.
- Whether the wall is drywall or plaster, and the age of the home if you know it.
- The paint color, sheen, and whether you have leftover paint.
What the desk hears most
- 01
The doorknob hole
A clean round hole is the simplest drywall repair there is, and it is a fair test of a patch. The trick is not filling the hole but matching the surrounding texture and sheen so the repair disappears in daylight rather than in the hallway light.
- 02
Cracks above a doorway
Corners of doors and windows collect movement. A single hairline crack that returns each winter is usually seasonal; a diagonal crack that keeps growing, or one paired with a sticking door, deserves a closer look before anyone patches it.
- 03
A water stain on the ceiling
The stain is a record of where water traveled, not the problem itself. Find the source first, whether roof, flashing, a bathroom above, or a supply line, and let the area dry before it is sealed. Paint over a damp stain and the mark returns.
- 04
Cracked plaster in an older home
Plaster on wood lath fails differently from drywall. Keys break, sections pull away from the lath, and the surface sounds hollow when tapped. Small areas can be stabilized and patched; larger loose sections are usually cut back to sound plaster before repair.
- 05
Texture that no longer matches
Orange peel, knockdown, and skip trowel are applied by hand, so a patch can look smooth and wrong in the same room. A good repair blends the texture outward past the patch and matches the primer and paint, not just the compound.
Call now or wait?
The honest answer depends on whether the problem is contained and whether the house is safe. Use these two lists as a starting point, then call and describe the specifics.
Call now
- Water through the ceilingShut off the water if you can reach the valve, move what is underneath, and do not stand on a chair poking at a bulge. Call and say the ceiling is holding water; the source trade may need to come first.
- A sagging ceilingKeep people out of the room. A ceiling that has bowed or cracked in a long arc can be heavy, and the cause is usually water or a failed fastener above it.
- Exposed wires or a wet wall cavityDo not touch the wires or push insulation back into place. If there is heat, smoke, or a burning smell, leave and call 911 or the utility before anything else.
- Loose plaster overheadIf a section is hanging from a ceiling or a high wall, do not pull it down from below. Close the room and describe how much is loose and whether the surface above it is stained.
Can usually wait
- A hairline crack that has not movedPhotograph it with a coin or ruler beside it and check again in a month. If the width is the same, it can wait for a normal appointment.
- A small hole in a low-traffic roomA doorknob hole in a closet or spare room is cosmetic. Keep the area dry and take one photo before anyone starts patching.
- Nail pops in a painted ceilingNail pops are fasteners backing out, often after a season of expansion. They are worth fixing before the ceiling is repainted, but they are not urgent.
- A stain that is dry and has not spreadIf the area is dry to the touch, the source has stopped or never existed. Note the date it appeared and watch it through the next hard rain.
Before you dial: the 60-second prep
You do not need a diagnosis. You need enough detail for the desk to route the call and for the pro to arrive with the right questions.
- Clear the room or push furniture to the center and cover it.
- Photograph the damage with a coin, ruler, or tape measure for scale.
- Note whether the wall is drywall or plaster and how old the home is.
- Find the paint can or write down the color, sheen, and brand.
- Check for softness, dampness, or a hollow sound with a light touch.
- Decide how dust will be contained, and keep pets out of the room.
What happens when you call
You describe the damage
The desk asks where the damage is, how big it is, and whether water or movement is involved. A photo and the age of the home help more than a guess at the cause.
The desk routes the call
Your location and the type of repair determine which independent local drywall or plaster professional receives the call.
You confirm the visit
The professional explains the likely method, the drying time, and any diagnostic charge before work starts.
What changes the job here
Housing age, weather, water, soil, and foundation type all change how a drywall & plaster problem behaves. These are the local factors worth mentioning on the call.
Plaster in older neighborhoods
Homes built before the 1950s often have plaster on wood lath, and repairing it is a different skill from hanging drywall. Crews who work these houses know how to cut back loose plaster and blend a patch without making a ceiling look newer than the room.
Humidity and seasonal movement
In humid climates, drywall paper absorbs moisture and joints open; in cold climates, forced-air heat shrinks framing and cracks appear in winter. A repair that ignores the season can reopen by the next one.
Ceiling texture by region
Skip trowel, orange peel, and knockdown are regional habits, and some markets have several textures in the same house. Matching a patch is easier when you can show a photo of the surrounding ceiling in raking light.
Water from roofs and freeze-thaw
Ceiling stains often appear weeks after an ice dam or a wind-driven rain, not during the storm. If a stain returns each spring, the repair belongs on the roof before the drywall is closed.
Questions worth asking the pro
Ask before you authorize work. A good professional will answer plainly, including the parts that are still uncertain.
- Is this a patch, a larger repair, or a sign of something else?
- How will you match the texture and the sheen?
- What is the dust plan, and will you seal the doorway?
- Do you check moisture before closing the wall?
- How long does the compound need before it can be painted?
- Should the crack be monitored before it is repaired?