Most drywall problems aren’t emergencies, but each one has a cause, and the correct fix depends on what caused the damage in the first place.
Homes in Sioux Falls go through big seasonal swings in temperature and humidity, and houses naturally move a little as a result. That movement, along with everyday wear and the occasional leak, accounts for many of the drywall problems homeowners see.
This guide breaks down common drywall problems, what usually causes them, when a simple patch may be enough, and when it makes sense to call a drywall contractor.
Why Drywall Gets Damaged in the First Place
Drywall is a panel of gypsum sandwiched between paper facings. It’s inexpensive, easy to install, and provides a smooth finish, but it doesn’t flex much and doesn’t tolerate water well.
Seasonal Movement
Wood framing expands and contracts as indoor humidity changes between humid summers and dry, heated winters.
Settling
Newer homes can go through a period of settling during the first few years, which may contribute to minor drywall cracks.
Moisture
Roof leaks, plumbing leaks, ice dams, and poor bathroom ventilation can all contribute to drywall damage.
Impact
Doorknobs, furniture, moving projects, and everyday household activity can cause dents and holes.
Installation Issues
Too few fasteners, poorly embedded tape, or improperly finished joints can lead to future drywall problems.
Common Signs You Need Drywall Repair
Here are some of the problems homeowners commonly encounter:
- Hairline or diagonal cracks
- Nail or screw pops
- Water stains or discoloration
- Soft, sagging, or crumbling drywall
- Bubbling or peeling joint tape
- Holes and dents
- Visible seams through the paint
What It Looks Like
Thin cracks often run diagonally from the corners of doors and windows, or straight along a seam in a wall or ceiling.
What Usually Causes It
Corners of openings are stress points, so seasonal house movement tends to show up there first. Cracks along seams can also mean the joint tape wasn’t fully embedded in compound or that the joint is flexing.
How It’s Fixed
Simply smearing compound into a crack rarely provides a lasting repair because the crack can reopen when the house moves again.
- Open the crack slightly and remove loose material.
- Apply mesh or paper tape across the crack.
- Apply several thin coats of joint compound, feathered wide.
- Sand smooth, prime, and paint.
Most small cracks are cosmetic. However, wide cracks, cracks that continue growing, doors that suddenly stick, or cracks paired with sloping floors may point to a structural or foundation issue. These conditions should be checked by a qualified structural professional before cosmetic repairs are made.
What It Looks Like
Small, round bumps or circular cracks usually appearing in a line along a stud or ceiling joist.
What Usually Causes It
Framing lumber shrinks and shifts slightly over time, which can push fasteners outward. Nail pops are especially common during the first few years after construction and in homes where drywall was nailed rather than screwed.
How It’s Fixed
Setting the popped nail back in isn’t always enough. A typical repair involves securing the drywall with a new screw near the pop, then finishing the area with compound, primer, and paint.
On ceilings with many pops, a contractor may recommend refastening the affected area.
What It Looks Like
Yellow, brown, or ring-shaped stains on ceilings or walls. Some water-damaged drywall may also show bubbling paint, sagging, or a musty smell.
What Usually Causes It
- Roof leaks or ice dams during winter and early spring
- Leaking plumbing from an upstairs bathroom
- Condensation around poorly insulated areas or bathroom exhaust ducts
- Leaks around windows
- HVAC condensation lines
How It’s Fixed
The most important step is finding and fixing the source of the water first. Painting over a stain without solving the leak usually means the stain will return.
- Repair the source of the leak.
- Check the drywall with a moisture meter to make sure it is completely dry.
- Replace drywall that is soft, sagging, or crumbling.
- Seal remaining stains with a stain-blocking primer.
- Repaint the entire wall or ceiling section so the finish blends.
If drywall stayed wet for an extended period, mold may have developed behind the surface. Visible mold growth, a persistent musty smell, or drywall that stayed damp for days should be taken seriously. Affected drywall typically needs to be removed and replaced rather than simply painted over. Larger mold problems should be handled by a qualified mold remediation professional.
What It Looks Like
Raised lines, blisters, or loose strips of paper tape along seams or inside corners.
What Usually Causes It
Joint tape can loosen when it wasn’t properly embedded in enough compound during installation. Moisture can also weaken the bond. This problem is common in bathrooms and older homes.
How It’s Fixed
Loose tape is cut out, the area is re-taped with fresh compound, and the joint is feathered, sanded, primed, and painted. If moisture caused the problem, ventilation or the leak also needs to be addressed.
What It Looks Like
Damage can range from small nail holes to doorknob-sized holes and larger sections damaged by moving furniture or removing fixtures.
How It’s Fixed
The repair method depends largely on the size and condition of the damaged area.
- Small holes: Spackle or compound, followed by sanding and painting.
- Medium holes: A self-adhesive mesh patch or California patch can be used before applying compound.
- Large holes: Cut the damaged area back to a clean shape, add wood backing, install a new piece of drywall, then tape and finish.
Installing a doorstop or wall bumper afterward can help prevent future doorknob damage.
Why Drywall Patches Often Show Through Paint
Many homeowners repair a hole, paint over it, and still see the patch afterward. Several factors can cause this.
Texture Mismatch
Walls with orange peel or knockdown texture need the same texture recreated over the repaired area.
Flashing
Joint compound absorbs paint differently from painted drywall. Priming the patch first helps prevent this.
Color and Sheen
Touching up only the patch with older paint may not blend with the existing wall.
Poor Feathering
A patch that isn’t feathered wide enough can leave a visible hump, especially in angled light.
Matching texture and blending a repair so it disappears can sometimes be more difficult than making the initial patch. This is where experience and proper finishing techniques matter.
DIY or Professional Drywall Repair?
- A handful of nail holes
- Small dents and dings
- One or two minor hairline cracks on a flat-finish wall
- Water-damaged drywall or recurring stains
- Ceiling repairs, especially large ones
- Multiple nail pops or long cracks
- Textured walls and ceilings requiring texture matching
- Large holes or sections requiring new drywall installation
- Highly visible repairs where a seamless finish matters
- Repairs combined with repainting
Preventing Future Drywall Problems
You can’t stop a house from moving, but you can reduce the chance of recurring drywall damage.
- Keep indoor humidity reasonably consistent through the seasons.
- Run bathroom exhaust fans during and after showers.
- Keep gutters clear and watch for ice dams in winter.
- Address plumbing leaks right away.
- Install doorstops behind frequently used doors.
- Have small cracks repaired properly before they spread.
Need Drywall Repaired the Right Way?
Golden Standard Painting & Drywall handles drywall repair, drywall installation, and interior painting for homes and commercial properties in Sioux Falls, SD. Once the source of any damage has been addressed, the team can repair and repaint the area so it blends with the rest of the room.
Call 605-681-6807Frequently Asked Questions
Are cracks in drywall normal?
Small hairline cracks are common, especially near the corners of doors and windows, where seasonal movement can put stress on drywall. Most are cosmetic. Wide cracks, cracks that continue growing, or cracks accompanied by sticking doors or sloping floors should be checked by a qualified professional before cosmetic repairs are made.
What causes nail pops in drywall?
Nail pops usually happen when wood framing shrinks or shifts slightly over time, pushing fasteners outward and creating a bump or circular crack. They are common in newer homes as lumber dries out. A lasting repair typically involves securing the drywall with a nearby screw and then finishing with compound, primer, and paint.
Can you paint over a water stain on drywall?
Only after the leak is fixed and the drywall is completely dry. Standard paint usually won’t hide water stains because discoloration can bleed through. A stain-blocking primer should be applied first. If the drywall is soft, sagging, or crumbling, it should be replaced rather than simply painted.
When does drywall need to be replaced instead of repaired?
Replacement is generally appropriate when drywall is soft, sagging, crumbling, or has been wet long enough to raise concerns about mold. Large holes and severely damaged sections may also be easier to repair by removing the damaged area and installing new drywall. Minor cracks, dents, small holes, and nail pops can often be repaired.
Why can I still see a drywall patch after painting?
Visible patches usually result from unmatched texture, insufficient feathering, or flashing. Flashing happens when unprimed joint compound absorbs paint differently from the surrounding wall. Priming the patch, matching the texture, and repainting the full wall can provide a more consistent result.
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