Carcinoembryonic Antigen (CEA). Guide. The carcinoembryonic antigen (CEA) test measures the amount of this protein that may appear in the blood of some people who have certain kinds of cancers, especially cancer of the large intestine (colon and rectal cancer).arcinoembryonic Antigen (CEA). Guide. The carcinoembryonic antigen (CEA) test measures the amount of this protein that may appear in the blood of some people who have certain kinds of cancers, especially cancer of the large intestine (colon and rectal cancer).
Instructions. Measure the top of the chimney and the length, width and height of the flue. Build the bottom of the mold out of Â¾-inch plywood. Take the measurements of the top of the chimney and add 2 inches so the cap will overhang the chimney by 2 inches on all sides.Cut the plywood to that measurement by using a table saw or circular saw. Create the cutout for the flue.ake the measurements of the top of the chimney and add 2 inches so the cap will overhang the chimney by 2 inches on all sides. Cut the plywood to that measurement by using a table saw or circular saw. Create the cutout for the flue.
1 A multi flue chimney cap is designed for a chimney that has more than one flue, generally 2 to 3. 2  These can cost anywhere from $130 to $250. 3  A 17â³x29â³ can cost $199 to $230. 4  For specialized or custom chimney caps, the cost can range from $150 to $350. According to the website ChimneyKeepers.com, capping a chimney through their service can range from $125 installed for a single flue to as much as $225 for a multi-flue. 2  Customized caps such as stainless steel and cooper are going to cost more than a traditional cap made from basic materials.