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SPECIAL VENTING APPLICATION INSTALLATION SHEET
This sheet covers the requirements for installation of the
Starkap™ for use with attached buildings designed for the
purpose of housing heating equipment outside of the living
space of the structure. These requirements are based on
A.G.A. test reports C-FT-5-90, C-FT-8-90, FT-C-12-93 AND
FT-C-13-93. See Figure 4 and 5.
1. The maximum gas heating appliance (or multiple
appliances ) up to 250,000 BTU/HR input.
2. Each appliance in the building MUST have its own separate
vertical vent and Starkap™.
3. The connecting wall between the attached building and the
main structure MUST be sealed to prevent flow into the
main structure. Example: Attached garages must be
sealed by lining ceiling and any wall adjacent to the living
space with 1/2" thick gypsum board or equivalent.
Openings from an attached garage directly into a room
used for sleeping purposes shall not be permitted. Other
openings between the garage and residence shall be
equipped with either solid wood doors not less than 1-3/8"
in thickness or 20-minute fire-rated doors, or equivalent.
4. Two make up/combustion air openings into the outside
building shall be installed. Size of the openings shall be 10
inch by 10 inch or based on 1 sq. inch per 4000 BTU/HR.
5. Termination location shall have a 4 ft. 9 in. center line
distance from any vertical wall up to 250,000 BTU/HR.
Termination location for up to 40,000 BTU/HR water heaters shall be a minimum 1 ft. 6 in. center
line distance from any vertical wall. A minimum height of 12 inches shall be maintained above the
roof.
6. The vent termination shall be located at least 4 feet from any window or opening into the main
building structure.
Figure 4
Figure 5