Dec 19, 2018 if youre more of a purist and prefer to use real plaster to fix your cracks, you should follow the same digging, vacuuming, and washing process to prepare for filling. Shown below these are the new improved 114 plaster washers. Expansion and contraction of the wood studs as they shrink and expand with changing humidity levels can cause the plaster to crack. I used durabond 90 and drywall tape for the major fills at the cracks and regular joint compound to feather out the surface about 14. It hardens quickly you guessed it, in 45 minutes, shrinks very little and dries hard as a rock. For more information or for a free estimate, give us a call today. If height is critical, 14 or 38 drywall can be used, but strangley, 12 is cheaper. First off compound is basically playdough it dries but never sets or cures it is an awful product and without using stronger products such as durabond 90 best drywall product. Dec 17, 2019 expert advice and detailed instructions on repairing the most common plaster wall and ceiling problems, including cracks, holes, and sagging. I cut out all the cracks using a utility knife creating a v notch, i scraped away all of the loose plaster then used a product called plaster weld pink color very sticky, while wetdamp i applied durabond 5 to the crack. It provides low shrinkage and superior bond, making it excellent for projects like laminating drywall and patching plaster surfaces.
Compound is ideal for heavy fills and are virtually unaffected by humidity. Application tips sheetrock brand settingtype joint. It is an excellent compound for embedding tape, bead and trims on gypsum panels. How to prevent cracks in drywall fine homebuilding. Its special formulation provides a high strength bond with low shrinkage that finishes with a hard, plasterlike surface when dry and is virtually unaffected by humidity. Oct 01, 2008 you will not find this everywhere, but durabond makes it with different setting intervals 60 m, 90 min. To fix cracks in plaster, use plaster of paris or durabond, not spackling compound. Cgc durabond 90 settingtype joint compound, 15 kg bag cgc and synko premium setting type compounds are the professionals choice of compounds for interior gypsum panels and exterior gypsum ceiling boards. Let the gypsolite dry a day, then skimcoat itthat is, apply a final thin coating of quickdrying finish plaster such as durabond 90 and then tape between the old surface and the new.
It hardens quickly you guessed it, in 45 minutes, shrinks very little and dries hard as. Durabond or mud my 10 man hours included lots of setup, it was a dining room with lots of antiques, tear out old plaster, cut and hang 38s drywall, tape, mud and sand, clean and mop. Application tips sheetrock brand settingtype joint compounds. If your ceiling is plaster board,the cracks will more than likely be straight ones,usually following the main joists where the plasterboard edges should be fixed. If your existing walls or ceiling are whispering cries for help or your new construction project is ready for plastering and painting, well have your property singing in no time. A crack opener is used to scrape out the loose plaster at the center of a crack and flare out the edges.
Hi, that wall does look like a good candidate for some diy plaster repair. Havent been checking in much guysbusy heres my advice i live in an old new england town with plenty of homes that are 200yrs old plus when the plaster is no longer soundfalling away from lath thats when you determine to remove or overlay when still sound but cracked you can very well go the durabond routewe roll the first coat as a foundation of course after taping all bad. How to smooth out uneven plaster with a skim coat youtube. I recently discovered a large area of the ceiling of our bedroom that was basically falling away. Though diamond plaster is a better option, durabond 90 works best and offers some elasticity and can be applied in thick coats with no cracking once it dries. Skim coat plaster with durabond 90 the walls are plaster and there are some cracks some hairline and some an inch wide with a few places that open up to about the size of a mouse pad. Mouldings at the wallceiling joint can be added to hide the joint. My understanding is usg durabond 90 is tougher but harder to sand vs usg easy sand. How to repair plaster plaster repair, plaster washers. Using selfadhesive fiberglass mesh tape to repair a ceiling crack. Use with s heetrock in areas to be tiled,for tapered edge joints,embed s heetrock brand joint tape with s heetrock brand d urabond brand gypsum panels, settingtype joint compound 45 or 90.
Go ahead and use it for the gap filling i do that as a separate step. If the washers are properly set, they will be below the surface of the plaster and the joint should be nearly invisible. Once the plaster was sealed i brushed on some straight bonding agent waited until tacky and applied my first plaster to the cracks. Test the condition of the wall first by pushing against it with your fingertips. Another commonly used approach is to use structolite available at home depot as a base and then skim coat with joint compound if you dont have the plastering skills. Cgc sheetrock brand durabond 90 settingtype drywall compound is a multiuse product.
Score the crack with a utility knife to remove any loose plaster or other material that may be inside the crack. For more about how plaster walls are built, see plaster wall construction. The differences between 20, 45 and 90 minute quick set joint compound warsaw, syracuse and goshen in duration. On a bright day, stand underneath one corner of your ceiling on your stepladder and with your head almost touching the ceiling look across the ceilings surface. Replacing cracked plaster with drywall worth effort, cost. Peter lord plaster and paint is a professional contractor specializing in the preservation and restoration of historic surfaces, and all plaster systems old and new. As far as spider cracks and straight line cracks take the tip of a screwdriver, line it up with the crack and slightly apply pressure and drag a concave little trench so the durabond has a base. Since the plaster was wet, there wasnt any dust it was just gloppy. Plaster applied to wood lath is held in place by the keys that form when it squishes through the lath. Wipe excess joint compound from the panel surface before it sets. Jul 29, 2014 soaking the ceiling with water so that it wasnt too drippy. For starters, buy a bag of 45 minute setting drywall compound. Also a couple of the corners had crumbled and are now dug out with trenches about an inch wide. Is it worth the trouble to repair it, or would it be wiser to go ahead and replace it.
I use it anytime i need to patch up large holes in my 100year old plaster walls. It provides low shrinkage and superior bond, making it excellent for projects like laminating drywall. Durabond 45 settingtype joint compound the home depot. How to repair plaster cracks old house journal magazine. Sheetrock brand 90 settingtype drywall compound is an excellent compound for embedding tape, bead and trims.
Mar 25, 2014 there are cracks in the plaster, which can be seen through the paint as raised creases in the canvas. Durabond 90 or other 60 or 90 minute products set chemically before drying which prevents shrinkage. We share your appreciation for historic architecture and care deeply for the quality and integrity of workmanship in all projects large and small. The trick to repair these cracks is to cut open the crack in a v shape about 14 inch deep with the edge of a flat head screw driver, then fill with durabond, sand smooth once dried, then.
If the house shifts and the joint cracks later, you can reactivate this compound by getting it wet again, even years later, allowing you to remove the first job and do a good job over the same joint again. If it may crack, go with easy sand or bucket mud itll be easier to tear back out later. Oct 15, 2012 skim coat plaster with durabond 90 the walls are plaster and there are some cracks some hairline and some an inch wide with a few places that open up to about the size of a mouse pad. Havent been checking in much guysbusy heres my advice i live in an old new england town with plenty of homes that are 200yrs old plus when the plaster is no longer soundfalling away from lath thats when you determine to remove or overlay when still sound but cracked you can very well go the durabond routewe roll the first coat as a foundation of course after taping all. For the finish coat, use durabond or veneer plaster. Setting compound durabond 90 is forced into the crack from both sides to ensure all voids are eliminated. I prefill every gap with sheetrock 45, sands nice goes on smooth, durabond 90 l never use hard to sand for me durabond 90 was the demand in the 1980s and 1990s but up here not much now. Skim coat plaster with durabond 90 page 4 plaster forum. Eye protection and a respirator is always a good idea. Jan 29, 2020 for the finish coat, use durabond or veneer plaster. Soaking the ceiling with water so that it wasnt too drippy. It is incredibly sticky, cures very quickly, and dries rock hard. The durabond 90 will produce a gorgeous smooth finish that will match the existing plaster and its sandable.
Although plaster washers are designed to flatten as the screw is driven home, they nevertheless, remain slightly proud of the wall surface. My method can be adapted to any situation a wall or ceiling can throw at you. To do the job properly you should strip all the plaster from the walls, leave the lath in. Spacklings best use is to fill holes made by pictures, curtain holders, etc. Be aware that plaster sets up much more quickly than durabond, is very difficult to sand, and requires a little more skill in application. Fix loose plaster with plaster washers stonehaven life. Settingtype joint compound 381110120, exceptional bond with low shrinkage asbestosfree resists checkcrack formation in heavy fills covers up to 347 sq. Its special formulation provides a lightweight product that has a superior bond, permits sameday joint finishing and is easy to handle and sand.
It is ideal for heavy fills and is virtually unaffected by humidity. Durabond 90 settingtype joint compound the home depot. If youre more of a purist and prefer to use real plaster to fix your cracks, you should follow the same digging, vacuuming, and washing process to prepare for filling. The walls are plaster and there are some cracks some hairline and some an inch wide with a few places a professional is not always needed to do home repairs no one has ever heard of these. There are cracks in the plaster, which can be seen through the paint as raised creases in the canvas. Mouldings at the wall ceiling joint can be added to hide the joint. Old house authority ask the authority plaster repair. Repeat from all four corners because the light hits the ceiling differently from each angle. Hey, my name is tim and i recently about 2 months ago repaired several cracks in plaster walls and ceilings. Aug 28, 2014 though diamond plaster is a better option, durabond 90 works best and offers some elasticity and can be applied in thick coats with no cracking once it dries. Let precision plastering and painting give your home the finish it deserves. How to repair plaster plaster repair, plaster washers, plaster. I dk t recommend that a diy guy uses compound to make a texture ceiling a smoothie ceiling, because thats where a steady hand, thd right pressure, and muse memory comes in to play.
If youre sure it isnt going to crack due to framing movement, sure. The finish plaster should stiffen as it is leveled and smoothed in place. A fill or cover coat that completely hides the tape is required. Cracks in ceilings are caused mostly by settling of the house and the expansion and contraction created during that settling. I then fill the holes with durabond 90 or other similar joint compound product. Ive had good luck using acrylic plaster patching compound, picked up a tub of it from hd. Shown at top are the standard 1 inch diameter plaster washers. It comes as a powdermostly plaster of parisyou mix with water as you need it. Setting compound durabond 90 is forced into the crack from. This will help the new coat adhere without drawing too much moisture out of the first and second layers, which can cause cracks or failure. Mudding over plaster walls with premixed joint compound. I vee out the cracks and paint plaster weld on the ceiling to improve bonding and reduce friability slight crumbliness. Easy sand on drywall because it is soft and pliable easily dented like the rest of the. Its not as hard once cured as true whitelime plaster, but i doubt you can work with real plaster.
Skim coat plaster with durabond 90 plaster forum drywall talk. I had a hard time timing the tackiness and the plaster being ready to spread in the cracks. Once set then mud and tape the prefilled hole spots and let it set. Expert advice and detailed instructions on repairing the most common plaster wall and ceiling problems, including cracks, holes, and sagging. Easysand ive been following a very simple formuladurabond on plaster repair durabond is a much more solid product like good old plaster, some thing that makes you feel like you live in a house, as opposed to a cardboard box. How to smooth out plaster walls or ceiling with a skim coat leah from see jane drill demonstrates how to repair unsightly plaster walls with a skim coat. If the cracks are really bad, then you might be forced to use drywall over the plaster to rebuild the whole surface. Here tapers again to save money time apply tape with sheetrock 45, durabond 90 l prefer using low dust purple box from start to finish, l know the younger. Settingtype joint compound allows for oneday drywall finishing and nextday decoration of drywall interiors and exterior soffits. The plaster keys holding it to the underlying lath can also crack and break over time, causing the plaster to partially separate from the wall. Skimcoating can rescue a wall with numerous hairline cracks but cannot help a wall if the plaster is loose or unsound.
You will not find this everywhere, but durabond makes it with different setting intervals 60 m, 90 min. Then skim coat with a product recommended for skimming. Cgcs chemically setting compounds rapidly harden approx. This cover coat must be allowed to set before plastering. Allpurpose joint compound, commonly called mud, is the wet material that is used for drywalll installation to adhere paper joint tape, fill joints, and to top paper and mesh joint tapes, as well as for plastic and metal corner beads. How to repair cracks in plaster walls todays homeowner. Ive worked with drywall plaster and stucco for 20yrs anybody who says nylon with premixed compound worked is living in an area with little to no humidity and got lucky. Skim coat plaster with durabond 90 plaster forum drywall talk im rennovating an old victorian house and have just scraped off wallpaper in one of the rooms.
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