What are the New Brunswick gas code clearance requirements for gas ranges, gas cooktops, and gas dryers in kitchens — including minimum distances from combustibles and ventilation requirements enforced by the Technical Safety Authority of NB?

New Brunswick follows the National Gas Code of Canada with specific enforcement through WorkSafeNB's Technical Safety Division (not a separate Technical Safety Authority). Gas appliance installations require licensed gas fitters and must meet strict clearance requirements to prevent fire hazards.

Gas Range and Cooktop Clearances

Minimum clearances from combustible materials are critical for safety. Gas ranges require 6 inches minimum from sidewalls to combustible surfaces like wood cabinets. If you have less clearance, you must install heat shields (non-combustible materials like stainless steel or ceramic tile) extending at least 6 inches above the cooktop surface.

Above the cooktop, you need 30 inches minimum clearance to combustible surfaces like wood cabinets or range hoods. Many NB kitchens violate this with cabinets mounted too low — a dangerous fire hazard that inspectors will flag. Range hoods can be mounted closer (typically 24-30 inches) because they're designed for heat exposure, but check manufacturer specifications.

Behind the range, maintain 6 inches from combustible walls or install appropriate heat shielding. Many older NB homes have ranges pushed directly against wood-paneled walls — this violates code and creates fire risk.

Ventilation Requirements

All gas cooking appliances in NB must have adequate ventilation to remove combustion byproducts. Range hoods must be ducted to the exterior — recirculating hoods don't meet code for gas appliances. The fan must provide adequate CFM (cubic feet per minute) based on BTU output of your cooktop.

Gas dryers (though not typically in kitchens) require 4-inch rigid metal ducting vented directly outside with no more than 25 feet total duct length including elbows. Flexible vinyl ducting is prohibited — it's a fire hazard.

NB-Specific Considerations

Older NB homes (pre-1980) often have gas appliances installed before current codes. During kitchen renovations, you must bring everything up to current standards — grandfathering doesn't apply when you're renovating. This commonly adds $500-$2,000 to projects for proper clearances and ventilation.

Maritime humidity affects gas appliance performance. Ensure adequate fresh air supply — gas appliances need oxygen for proper combustion. Tight, energy-efficient homes may need combustion air ducting from outside.

Licensed gas fitters only can connect, disconnect, or modify gas lines in NB. DIY gas work is illegal and dangerous. WorkSafeNB requires permits for any gas line modifications, and insurance may void coverage for unpermitted work.

When Planning Your Kitchen

Before finalizing your layout, have a licensed gas fitter review clearance requirements. Moving a gas range often requires extending gas lines ($300-$800) and ensuring proper clearances to new cabinet locations. Plan cabinet heights carefully — many beautiful kitchen designs fail inspection because upper cabinets are too close to gas cooktops.

Always hire licensed professionals for gas work and obtain proper permits. Gas leaks and improper installations can be fatal. Find qualified gas fitters through the New Brunswick Construction Network who understand both gas codes and kitchen renovation requirements.

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Looking for experienced contractors? The New Brunswick Construction Network connects homeowners with qualified professionals:

• Gionetterenovations
• Thirty Four Renovations