§ 30-40. Factory-fabricated chimneys.

Latest version.

A.
Every factory-built chimney shall be equipped with a suitable means for cleaning access at the base and a suitable termination at the top.

B.
Factory-built housings which are field assembled shall be equipped with steel tension straps secured to the roof framing by nails and to the housing by bolts.

C.
Factory-built housings which are factory-assembled must be secured to the roof framing with screws or bolts.

D.
For use on commercial buildings, DWS (double-wall steel) vents may be used for gas-heat appliances only. DWS vents shall be installed in accordance with their listing and/or the manufacturer's instructions.

E.
The installation of factory-fabricated chimneys shall be in accordance with the appropriate standards of the NFPA and the manufacturer's instructions.

                    
                        var val = document.getElementById('citecontent').innerHTML;
                        art.dialog.defaults.title = window.location.href;
                        art.dialog.data('cite', val);
                        art.dialog.data('homeDemoPath', '/Scripts/plus/artDialog/');
                        art.dialog.open('/Scripts/plus/artDialog/citeiframe.html');