Now, let's determine your lintel measurements.
The lintel is a piece of iron in the shape of an L that is positioned underneath the top row of bricks. It's important to have the following measurements so we can make sure that the fireplace door does not interfere with the lintel
It is possible that you do not have a lintel, in which case simply type N/A in the field below. If you are unsure, or need help - please call and talk to one of our technical sales reps.