fillers

Hello! I have this hole in the side of the upstairs bathroom, some kind of previous ventilation. I used expanding foam last year and covered with plasterboard but birds pecked it out and made a nest. Birds now gone and looking for a more permanent fix. What should I use to fill this hole? Do I...

Hi Everyone, I'm trying to get some market research, I work for a new start up creating our own fillers and wanted to know the following to help our product development process; 1. Do professional decorators prefer ready mixed or powder filler? and why? 2. What filler do you like to use and...

Hi, I’m redecorating a room and am new to all this. Around the window, there appears to be a foam-like surround, which has been plastered over and painted. There are now pits in this plaster (probably as the foam is spnongey underneath and kids lived here before I moved in and pushed against...