Plaster
You will need: a clay or plaster of paris sculpture, spackling/nail hole filler–the color changing kind is best, fine sandpaper or other item to smooth out filled areas, and optional clay knife for smoothing.
No preparation needed. Just open the spackling/nail hole filler tube or container and very neatly fill any holes, minor cracks, or dents in the art piece with it.
Very gently smooth out the spackling and remove excess filler where it is not needed.
Allow to dry–this is where the color changing type comes in handy as it dries to white to let a person know it has finished the drying process.
Now buff any rough areas on the piece until they are smooth and are close to maching with the rest of the surface of the project. Fine sandpaper or even a rough paper towel should work fine. If it is needed, use the clay tool to get rid of larger bumps, making sure not to remove excess filler.
Their origins are attributed to Italian immigrants. Today there are some types of chalkware that is out on the market but it is mostly considered to be folk ware. 19th century American pieces bring a price in the hundreds of dollars, if you are wanting to start collecting pieces here are a few things to look for.
Be aware of what the item that you are looking at is made of gypsum and or plaster of Paris. I know that seems like common sense but there are modern art supplies out on the market that can duplicate the look of gypsum and or plaster of Paris, so be careful.
I would also closely examine the piece to see if there are small chips or nicks at the base of the piece or anywhere. If there is, you can usually tell if the body of the piece is “chalk looking” or has it been painted over. If there has been some unprofessional restoration work on the piece, you will clearly notice a color difference because old plaster or gypsum absorbs fresh paint differently than original paint. So the color variations will be noticeable.
Needs:
* Drop cloth, goggles, dust mask (Gloves are optional)
* Step ladder for ceilings or high wall repair
* Plaster or patching material
* Hawk or piece of scrap plywood cut in a square for mixing plaster
* Spackling knife, size of your choice
* Razor knife or an old can opener (one that punctures the top of the can in a Vee)
* Sash brush or paint brush (optional substitute, spray water bottle)
* Shellac
* Staple gun and wide straight slot screwdriver (optional)
* Sanding block and 60 or 80 grit sandpaper
* Vacuum
Use a drop cloth for big and small projects to protect the rug or floor. There are different varieties of materials you can purchase. For small cracks, you can use a joint compound because it is easy to use, easy to sand, and it dries fast. The small stress cracks don’t need to be extensively prepared. Just use your spatula or putty knife, fill in the crack, dry, and sand flush. The joint mixture shrinks a little so you might have to repeat the process. When everything is dry, you can sand it flush with the wall.
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Just like the floors in your home, walls are also subject to wear and tear. After a while, cracks can appear in the walls around the ceiling and the floor, around windows and doors and gaps can appear in the plaster. Even if you don’t have small children banging their toys into the walls, there are often accidents that cause a hole in the drywall that needs to be repaired.
There are problems with interior walls that are readily apparent and others are not visible until you start redecorating. If you are repainting the walls of a room, you probably don’t notice the defects until you start preparing the walls for painting. The most common problem that homeowners find is blown plaster. This is when patches of the plaster lift off the wall itself. One of the ways to check for this is to tap along the drywall seams. Any areas that have blown plaster will have a hollow sound when you tap.
Gaps appear between the woodwork and the walls as well. This is a normal occurrence caused by the movement of the woodwork according to the temperature and the humidity. In order to repair these gaps, first clear out any debris using the point of a small trowel. Then you can refill the space using sealant that you can purchase at all home improvement stores and it comes with its own applicator. You do have to make sure you touch the edges of both surfaces in order to make sure you fill the gap. Let this dry and check to make sure that there are no more open spaces to be seen.
Cracks also occur between the walls and the ceilings. If you do not have moldings around the ceiling, this can be very noticeable. The very slight movement of the house in the seasons of the year causes these cracks to appear and they are normal wear and tear in a home. You can cover the gaps with crown molding, which adds a very decorative touch to any room of the home. This is a process that needs to be done last, after you have finished all the painting. If adding the molding is not in your redecorating budget, you can use the same process for filling in these cracks as you use with filling in gaps between the woodwork on doors and windows. Sealant will fill in the cracks and when it dries, you can paint over it.
It takes more work and time to repair a hole in the wall. If the hole is large, cut around the drywall so that you have a neat edge in the shape of a square or a rectangle. Then cut the same size piece from new drywall and nail or screw it in place. If the hole is in a part of the wall where there is no stud or anything you can nail it to keep it in place, you may have to insert a small block of wood and then attach the piece of drywall.
Once you have the replacement piece of drywall in place, you then need to plaster the seams and sand it off before you start painting.
Written by franstan
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One of the major issues in owning or acquiring an older house lies in the reality that the wall surfaces are produced of plaster instead on drywall, and for that reason call for a lot more upkeep and are more difficult to restore for an regular property owner. As property will get older and settles, cracks in plaster wall commence to seem, quite little at 1st but above time can turn out to be very significant. If left unrepaired, these cracks can increase to the point that large items of plaster fall from the wall turning a slight repair into a extremely big 1. Plaster walls are/have been created by setting up a collection of wooden lath’s, typically about 1 1/four inches vast with a space in between them. Next, plaster was pressed onto the lath’s and in the gaps between them and spread to a easy end.
There are any quantity of business plaster adhesives that are offered that occur in the sort of a caulking tube, and are straightforward to use with a caulking gun and are necessary to obtain for the career.To restore a plaster wall one must initial put together for the associated mess, by getting rid of furniture and covering floor surfaces with a drop cloth. The subsequent step is to drill one/4 inch holes into the plaster spaced about 3 to 4 inches apart, in good number, around the impacted location. With a shop vacuum, thoroughly clean the holes that have been drilled to remove any dust. Squeeze a liberal volume of the plaster adhesive into each and every hole, wiping absent any extra.
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There are many outdated homes that even now have their authentic plaster walls. Repairing holes in these walls is a minor far more involved than repairing a drywall. Nonetheless the typical individual can fix plaster walls with tiny difficulty. If the holes are more substantial than two inches, then you will need to have to staple wire lath onto the wooden lath inside the wall. The wire lath re-enforces the plaster and helps make the patch strong.
Content and resources require for project:
Plaster of Paris
Joint Compound (See Step5)
Container
Wire lath (for huge holes)
Tin snips (for reducing wire lath)
Staple gun (for securing wire lath)
Big putty knife
Medium grit sandpaper
Dust mask
Primer
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Things You’ll Need:
* Venetian plaster
* Masking tape
* Canvas tarp
* Mud pan/tray
* Plastic Spatula/5-way smoothing tool
* Clean rags
* Fine Med. Lg. Area Drywall Sanding Sponge
* Retractable Razor Blade
* Venetian Plaster Steel Spatulas
* Texturing & Polishing Trowel
Lay down tarps in front of wall being worked on. Tape the baseboards. If the wall connects to another wall or ceiling that is not being plastered tape the adjoining surface. Make sure you press the tape edge firmly to prevent bleed-through.
Make sure the surface is clean and dry. Wet a clean rag and keep it near your work area to wipe up any drips. Pour Venetian Plaster into Mud pan/tray. Use about one third of a gallon at a time so that it doesn’t dry before being applied.
I like the Plastic Spatula instead of a steel spatula because it causes less damage, applies more material faster, and is easier to control. Begin by loading the Plastic Spatula with Venetian plaster. Start in the upper corner of the project area, apply generous dabs of Venetian Plaster to the surface while holding the Plastic Spatula at a 15-30 degree angle. Use the small blades in your Venetian Plaster Steel Spatula set to apply material in narrow spaces like between door jams and corners.