I am putting in a new thermostat. I cut a 1" hole in the wall at about eye level. I have an endoscopic camera and i see that at about 3 feet off the floor there is a wooden board that runs parallel to the floor.
What do professionals do in such a situation? I was thinking of cutting another 1 inch hole right above the board, and then trying to drill through it at an angle, and hope that it is not too thick.
I should mention that i also have access from the basement, but there is a beam directly under the wall that i am working on, so i cant just drill a hole from under there - more over i would need a very long bore, which i do not own.
Its an old 1930s house - if that makes a difference