Can you use spackle as joint compound?
Mia Kelly
Published Jan 21, 2026
Spackle and joint compound are often used interchangeably, and they do perform similar functions—and they're even often used together on drywall projects.
What can I use instead of joint compound?
Spackling compound, often identified simply as spackle, is available at any hardware store, and it's inexpensive, costing about $5 for a pint container. Traditional spackle is a putty-like hole filler akin to joint compound, but modern products are made with vinyl, which makes them lightweight and fast-drying.
What is the difference between spackle and drywall mud?
Hardware stores stock a variety of types of spackling paste for filling holes prior to painting, but in a pinch, you can always use drywall joint compound. The main difference between them is that spackling paste resists shrinking and is formulated primarily for filling smaller holes.
What is better spackle or joint compound?
Joint compound is the best choice when it comes to fixing large holes and cracks in addition to covering the seams between two pieces of drywall. Spackle on the other hand is the more appropriate pick for smaller jobs like covering nail holes and other minor blemishes on your walls.
What's better spackle or joint compound?
Spackle- thinner spread, but not easy to spread, usually pre-made in a container and easier to slim down. Joint Compound– easier to sand down, more dense and durable, and doesn't dry out as fast as spackle.
30 related questions foundCan you make your own drywall compound?
Homemade Joint Compound
Mix a tablespoon of flour, a teaspoon of salt and a few droplets of water in a small container. Mix thoroughly until it forms a paste and apply to the hole or crack as you would joint compound. Use a putty knife or index card to remove the excess while it is still wet and allow the rest to dry.
How do you cover drywall seams without mud?
You can use quarter round vertically in corners where walls meet, as baseboard, or as crown molding instead of applying a coat of mud.
- Install quarter round in corners where walls meet to cover drywall seams.
- Use quarter round as crown molding or baseboard to cover ceiling and floor seams.
How thick can drywall mud be?
How Thick to Apply Drywall Mud? When applying joint compound, you normally have to make sure that the layer is not too thick. Up to twelve centimeters is usually fine, however, the most common average thickness is about a quarter of an inch.
How many coats of mud should you put on drywall?
Applying Mud
You need to lay one layer of mud onto the bare wall to hold the tape, and you can usually lay another immediately after you lay the tape and scrape it. After that coat dries, you topcoat with a third layer, using a wider knife than you used for taping.
How thick can spackle be applied?
Spackle sticks to bare or painted drywall, plaster or wood surfaces. It will fill deep holes if they are small, but it's best to apply it no more than 1/4 thick at a time and to let it dry between layers. Applying spackle too thickly leads to cracks and excessive shrinkage.
Can you caulk drywall seams?
Caulking drywall is a much faster and easier way to repair those hairline cracks. In fact, you can save time and money on your home renovation by caulking drywall corners in areas like closets, laundry rooms, and mudrooms.
What happens if you don't tape drywall joints?
If you don't use drywall tape, the joints will be exposed and can easily be seen. Also, since it's no longer a uniform surface, which tape provides. The purpose of mudding will be defeated as the mudding will not be enough to cover the entire gap created at the joint.
How do you make invisible drywall seams?
Sand any imperfections with your sanding block. A smooth compound and bubble-free tape give you the invisible seams you strive for in your professional drywalling work. A little practice is all you need to prevent your clients from seeing where the pieces of drywall join up.
Is drywall compound the same as joint compound?
Drywall mud, also called joint compound, is a gypsum-based paste used to finish drywall joints and corners in new drywall installations. It's also handy for repairing cracks and holes in existing drywall and plaster surfaces.
What can you use to thicken drywall mud?
- Install a paddle mixer on a power drill. ...
- Sprinkle enough powdered joint compound over the top of the runny mix to create a thin layer. ...
- Submerge the paddle mixer into the joint compound. ...
- Check the wallboard joint compound consistency to determine if sufficient thickening occurred.
Can you rehydrate spackle?
Spackle is used frequently to patch holes and give drywall an even surface. After spackle paste is applied, it will harden and become part of the wall. It is no surprise that the paste will eventually harden in its container, as well. If this happens, you can add water to it to loosen it up so it can be used again.
Can I use caulk instead of drywall tape?
No. Caulk might look great for a short time (if it doesn't shrink to oblivion right away), but it doesn't bond to the cut end of the gypsum panel at all. Eventually it'll crack loose. You need tape in most cases to create a solid bond (tape-on-paper, essentially), and to add structure and continuity to the joint.
Why did my joint compound crack?
The joint compound turns from gray to bone-white as it dries. When the water evaporates, the joint compound shrinks because the remaining particles take up less space. This causes slight, shallow cracks to develop across the surface of the joint compound application.
Why does my drywall mud keep cracking?
The most common cause of cracking in freshly applied drywall mud is when it is applied too thickly. This exacerbates the issue with evaporation-based drying and can even crack curing compounds. Past this point, applying more drywall mud will cause the cracking to worsen if done improperly.
Can you use caulking instead of drywall mud?
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.
What is the best caulking for drywall cracks?
3M™High Strength Crack Repair Caulk Tube
- QUICK AND EASY caulk gun application for long wall or ceiling cracks and fractures.
- MAKES REPAIRS 3X FASTER than traditional vinyl spackling.
- FOR INTERIOR OR EXTERIOR REPAIRS when sealed with exterior paint.
- REPAIR DAMAGED AREAS on walls and ceilings.
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.
Is it OK to apply spackle with your fingers?
Load a small amount of Spackle onto your putty knife and smear it over the hole. 3. Smooth the Spackle. Use your finger or the putty knife to smooth the Spackle over the hole.
Is spackle as strong as drywall?
A drywall hole that has been filled with spackle will not support a screw. Spackle, also known as joint compound or “drywall mud,” is not as durable as true drywall. Joint compound will shrink and pulverize easily when a screw is driven into it.