Also, X-rays penetrate fiberglass casts better than plaster casts — making it easier for your doctor to examine your child's bones while he or she is still wearing the cast.
How do you prepare drywall for plaster?
Here's a short to-do list for drywall prep: Always use a setting type drywall mud such as Sheetrock 90. Pre-mixed (wet) drywall compounds may rehydrate under earth plasters, leading to cracking or unsightly changes in texture along joints. Tape and mud joints, but it's not essential to mud drywall screws.
How do you attach plaster to drywall?
Drywall needs a sturdy substrate, so fasten loose plaster back to the wood lath strips behind it with plaster screws. Plaster screws have a washer-type fitting that helps prevent the plaster from cracking. Scrape any crumbled plaster off the lath and fill the resulting hollow with a patch of drywall.
Can you skim over drywall?
Skim coating also known as a level-five drywall finish is the process of smoothing over worn or damaged drywall with a thin coat of diluted joint compound in order to improve the look of the surface.
What happens if the inside of a cast gets wet?
DON'T get non-waterproof casts wet. If conventional padding inside a cast gets wet, it won't dry. Neither will the skin next to it. That can cause significant problems, including skin infection, skin death and permanent scarring, Dr. Goodwin says.