If you fill those with 'easy sand' you will be fine--that's the powdered mix in the white bag.
The numbers on the bags are the setting times 20-45-90 minute.
It's sticky and harder than the drywall.--Easy sand is not easy to sand--
You will want to use a 3 or 4 inch blade to hide the holes.--Mike---
The numbers on the bags are the setting times 20-45-90 minute.
It's sticky and harder than the drywall.--Easy sand is not easy to sand--
You will want to use a 3 or 4 inch blade to hide the holes.--Mike---