510 R.I. Code R. 510-RICR-00-00-2.12
Add the following new section R1007 Room Heater
Solid-fuel-burning room heaters shall be tested in accordance with UL 1482 listed in Appendix A of this Code.
Multiple fuel-flue installations
A solid-fuel-burning room heater shall not connect to a chimney passageway venting another appliance.
The Building Official shall permit the installation and use of non-listed or tested stoves and heaters when installed in accordance with the provisions of Table R1007.3 as follows:
Table 1007.3 CLEARANCE REDUCTION METHODS | ||||||||
TYPE OF PROTECTIVE ASSEMBLYa | REDUCED CLEARANCE WITH PROTECTION (inches)a | |||||||
Horizontal combustible assemblies located above the heat source | Horizontal combustible assemblies located beneath the heat source and all vertical combustible assemblies | |||||||
Required clearance to combustibles | Required clearance to combustibles | |||||||
without protection (inches)a | without protection (inches)a | |||||||
36 | 18 | 9 | 6 | 36 | 18 | 9 | 6 | |
Galvanized sheet metal, minimum nominal thickness of 0.024 inch (No. 24 Gage), mounted on 1-inch glass fiber or mineral wool batt reinforced with wire on the back, 1 inch off the combustible assembly | 18 | 9 | 5 | 3 | 12 | 6 | 3 | 3 |
Galvanized sheet metal, minimum nominal thickness of 0.024 inch (No. 24 Gage), spaced 1 inch off the combustible assembly. | 18 | 9 | 5 | 3 | 12 | 6 | 3 | 2 |
Two layers of galvanized sheet metal, minimum nominal thickness of 0.024 inch (No. 24 Gage), having a 1-inch airspace between layers, spaced 1 inch off the combustible assembly | 18 | 9 | 5 | 3 | 12 | 6 | 3 | 3 |
Two layers of galvanized sheet metal, minimum nominal thickness of 0.024 inch (No. 24 Gage), having 1 inch of fiberglass insulation between layers, spaced 1 inch off the combustible assembly. | 18 | 9 | 5 | 3 | 12 | 6 | 3 | 3 |
0.5-inch inorganic insulating board, over 1 inch of fiberglass or mineral wool batt, against the combustible assembly. | 24 | 12 | 6 | 4 | 18 | 9 | 5 | 3 |
3.5-inch brick wall, spaced 1 inch off the combustible wall | 12 | 6 | 6 | 6 | ||||
3.5-inch brick wall, against the combustible wall | 24 | 2 | 6 | 5 | ||||
For SI: 1 inch = 25.4 mm, oC = [(oF)-32]/1.8, 1 pound per cubic foot = 16.02 kg/m3, 1.0 Btu x in/ft2.h. oF=0.144 W/m 2. oK. a Mineral wool and glass fiber batts (blanket or board) shall have a minimum density of 8 pounds per cubic foot and a minimum melting point of 1,500o F. Insulation material utilized as part of a clearance reduction system shall have a thermal conductivity of 1.0 Btu x in/ft2.h. oF) or less. Insulation board shall be formed of noncombustible material. | ||||||||
510 R.I. Code R. 510-RICR-00-00-2.12
Amended effective 2/1/2022