How do you repair hairline cracks in drywall corners?

For hairline corner cracks, apply a thin bead of paintable latex or paintable silicone caulk over the crack. Then use your finger to smooth the caulk into the corner. For cracks larger than a hairline at corners or ceilings, first cut through the existing seam and trim away any loose drywall or tape.
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Can I use caulk to fix drywall cracks?

Use caulk if cracks appear where the ceiling meets the wall. Caulk is flexible and can withstand a slight bit of settlement. Sand, prime and paint the wall after you've repaired the crack. And then stand by for the next change of seasons and the next round of drywall cracks.
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What causes drywall to crack in corners?

A lot of cracks in drywall happen at corners of openings such as window and doors. These can result from the building settling but they are usually caused by shifting framing members which may be missing fasteners or don't have enough fasteners.
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Can you caulk drywall corners?

But here's one that makes drywall finishing faster without regrets later: In closets and other low-priority areas, don't tape and mud inside corners. Instead, caulk them. I first tried this trick on wall and ceiling corners 20 years ago—and those corners still look good.
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Can you paint over hairline cracks?

For deeper hairline cracks, you may want to use a filler to fill up the cracks before applying a new layer of paint in the affected area. However, if an extensive area has been affected, you will need to scrape off the paint and then sand the entire area to even out the edges before applying a fresh coat of paint.
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Repairing Inside Corner Cracks, over 20 inside wall cracks done quickly



Can you fix drywall cracks without tape?

After filling it, you must tape over the crack. The biggest mistake people make when they're trying to fix a crack in plaster or drywall is not using tape. If you don't tape the seam or crack, it will crack again in the same place. The tape can be paper or fiberglass mesh.
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Can You Use Flex Seal on drywall cracks?

Flex Seal can be used on almost every surface: wood, metal, tile, concrete, masonry, fabric, glass, plastic, aluminum, porcelain, drywall, rubber, cement, and vinyl. Plus, it won't sag or drip in the summer heat, and it won't crack or peel in the winter cold. It even prevents corrosion.
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Can you use caulk to fill hairline cracks?

Use an adhesive caulk, or a pliable caulk, to fill the cracks. Put a bead of this caulk in the joint and press it in with your fingers. It is the only thing that will fill such small cracks. Scrape off any remainder, and finish up by cleaning the crack with a damp sponge.
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What happens if you don't tape your drywall joints?

If you apply joint compound to drywall seams without tape, the compound will squeeze through the seams, wasting your time and resources. Joint compound used to fill seams between sheets of drywall will shrink and crack as it dries. Joint compound without tape will crack and fall out over time.
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How is spackle different from joint compound?

Spackle is made for small repair jobs on drywall. It's thicker than joint compound and harder to spread. Because it has a binding agent mixed in with the gypsum powder, it is more elastic and less likely to crack or shrink when dried. Spackle is a little more expensive than joint compound.
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What can I use instead of drywall tape?

Mesh Tape. Fiberglass mesh tape offers a few advantages. First, it is easy to use. Just tear a piece off the roll and lay it on a layer of wet joint compound.
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Is there a paint that fills cracks?

Polycell Crack-Free Ceilings is a great way to restore cracked ceilings to a smooth 'good as new' finish. It's flexible paint formulation uses Polyfilla technology to not only cover cracks but prevent them from reappearing. A smooth and flexible paint, that permanently covers cracks and stains.
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Do painters and decorators fill cracks?

Painting and decorating ; any good Decorator will prepare all painted area. This may include washing the area , filling small cracks or holes then sanding back to a smooth finish.
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Do you tape or mud drywall first?

Paper tape comes with a crease down the center that allows you to bend it along the crease to form sharp wall corners. It takes practice, however, to correctly bed paper tape in the first coating of wet mud without creating bubbles underneath.
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Can you put joint compound over spackling?

You can use either spackle or joint compound. I personally detest the modern "light weight" versions of spackle and will not use them. I use joint compound for most repair applications around drywall.
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Is mesh drywall tape better than paper?

Conclusion. In general, paper drywall tape is slightly stronger and more versatile, but mesh tape has a more manageable learning curve and better moisture resistance. It comes down to personal preference: Use the tape you're most comfortable with.
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