Stucco Patch as filler
My home has a access door where the electrical panel and meter are on the outside of the house. After 50 years the hinges were rusted out and I went to replace them. I found out the small wood frame was rotted, so I replaces it, The old wood was mitered at a angle against the stucco wall and not having a table saw I just used the finished edges of the wood and thought I just fill in the holes with stucco patch. Behind the wood & Stucco is that black paper drywall they used in the 50's. The stucco patch worked out nicely but afterwords I started to think do I need to water proof the stucco patch, It says on the label it weather resistance. Or is that the job of the black paper drywall.