I need to core drill holes into concrete ceilings on Monday. 52mm wide, about 20-25mm deep for samples to test the make up of said concrete.
I may have to fill the holes and make good. Can anyone suggest a 'filler' that won't immediately fall back out again and, hopefully, can be done in one go?
I need to core drill holes into concrete ceilings on Monday. 52mm wide, about 20-25mm deep for samples to test the make up of said concrete.
I may have to fill the holes and make good. Can anyone suggest a 'filler' that won't immediately fall back out again and, hopefully, can be done in one go?