By Catarina Borngen. Fireplace. Published at Tuesday, September 25th, 2018 - 00:02:37 AM.
Stone materials vary enormously in colour and composition; whether you opt for limestone, granite, marble, cast stone, slate or even a thin stone veneer each have their own unique look and feel. Of all the stone materials, marble is probably the most expensive and difficult to maintain but if you are after a sumptuous elegant look in your living room, it can be the perfect choice. On the other hand if you don’t want to spend huge amounts of money there is always the cheaper alternative of man-made marble. Limestone can be very captivating if you select a neutral colour that will complement almost any interior design while granite, though not so soft, is also a good choice because it needs very little maintenance.
Outdoors a ventless gas log cannot deplete oxygen or fill your home with gas but a different set of issues ensues. Oxygen Sensors can get pollen and dust in them and wind can confuse the pilot assembly’s ability to provide continuous heat to the thermocouple. The design of the fireplace and the placement of the logs should be discussed with a professional to minimize these possibilities. These issues do not risk the safety of your family but if the thermocouple thinks the pilot is out because the wind is directing the flame in another direction, your gas log burner will turn itself off. An experienced installer will manipulate the mounting bracket to work around wind issues and position the Oxygen Depletion Sensors so they do not get clogged with pollen and dust.
For instance, a homeowner decides to build a marble mantle seven feet wide and four feet high. The budget takes into account the marble tile to finish the design and the firebox, structural materials to build the fireplace and labor. Most people do not look at a chimney and think "Wow, that is a great looking chimney" so we do not always account for the ventilation when we design our perfect outdoor accent. The ventilation cannot be skipped just because there is plenty of ventilation outdoors. The proper flue will "pull" the fumes and smoke up and away from the fireplace. Without the vent gas fumes will flow from the front of the fireplace and the area usually reserved for sitting in front of the fire will be hot and smelly. The homeowner contacts a contractor who explains the chimney, flue and roof termination will double the budget.
I have been in this situation many times and the answer is often gas logs. I have had clients with damage to their chimney flue inside a wall and believe they can put a gas log fireplace kit into their wood-burning fireplace instead of repairing the damaged flue. This is a mistake, and a dangerous mistake. Gas logs use liquid propane or natural gas instead of wood for fuel. When gas burns, oxygen is burned and carbon monoxide is created. If there is damage to the flue, a typical gas log fireplace is not the answer because the fresh air ventilation is still necessary to pull out carbon monoxide. The answer is ventless gas logs. Vent free gas logs do not have to be vented. When a client wants to design a custom outdoor fireplace but they do not want to build a chimney and cut through their patio roof, a vented gas log kit is the perfect solution because no ventilation is necessary.
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