Essential Masonry Chimney Height Rules

SHAUN ATKINSONHome Owner TipsLeave a Comment

Essential Masonry Chimney Height Rules

There are many building regulations put in place, all to protect you. Some people find these masonry chimney height rules are bothersome. However, you should follow them. One of the things whose conditions you need to regard seriously is the chimney.

The size and placement of the chimney determine whether or not it is safe to light any fire in the house. A very short masonry chimney is a fire hazard since the vents will not work very well. According to fire safety codes, there are vent rules that every homeowner must follow. These are:

The ten-foot rule

The top of the chimney should be 10ft away from any contact with the roof’s surface. When the surface of the roof and the flue opening are very close, the possibility of a fire breaking out on the roof increases. This rule applies to any roof surface in any direction of the flue opening.

The three-foot rule

Any masonry chimneys opening must be three feet high so that it is not too short. Masonry chimneys must observe the 3Ft chimney height rule while gas vents and type L chimneys. Besides, the height should be 2feet. The height is to give enough space for the smoke and heat to vent out without affecting the roof.

The two-foot rule

The top end of the flue must be at least two feet above any building or structure that is within 10feet of the chimney. Observing this rule gives ample space for the flue opening to discard the smoke and heat without running into the buildings nearby. If you don’t respect this, the structures near the chimney suffer soot and run the risk of a fire breakout.

Many people may find these masonry chimney height rules tedious and limiting. Nevertheless, they help maintain a safe distance between chimneys and roofs, chimneys and nearby buildings to ensure that the chimney functions smoothly and the fire safety codes observed.

Having a professional install the right vent for your home is the smart and safe choice. Any changes to your chimney should have approval from building laws and fire safety codes to ensure you follow all the requirements.

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