Gypsum board is one of the most recyclable building materials — provided it is separated and processed correctly.
From waste to raw material
/Userfiles/Files/ChatGPT%20Image%20Oct%2010%2C%202026%2C%2011_02_58%20AM.png
Clean gypsum waste can be crushed and re-calcined into new plaster, closing the loop. Paper backing is separated and recycled into cardboard.
Practical limits
Recycling is viable when waste is free of contaminants. For that reason OPAL encourages sorting gypsum offcuts on site and collecting them separately from other demolition waste.