Enter all measurements in millimeters.

Provide exact measurements; the sheet metal worker will add the necessary allowances.

Edge dimensions E and G are measured over one full corrugation.

Height dimensions D and C are measured from the top of the profile ridge.

I = total length from the back of the chimney to the center of the ridge.

Enter all measurements in millimeters.

Provide exact measurements; the sheet metal worker will add the necessary allowances.

Edge dimensions H and J are measured over one full corrugation.

Height dimensions C and F are measured from the top of the profile ridge.