However, such rebuilding efforts should include the installation of a fireplace heat shield. Having the fireplace fixed or rebuilt will be quite costly. When this situation is allowed to continue, the condition of your fireplace deteriorates fast!įireplaces that have been damaged will either need to be fixed or rebuilt from scratch. This is mostly due to water leaks seeping down from the fireplace chimney top. One of the results of continuous exposure to thermal radiation is cracks appearing on your firewall. When ignored, costly repairs may need to be done as the situation worsens. This situation won’t occur with fireplace heat shields in place.įailing fireplace mortar joints arise from direct exposure to heat.Ĭontinuous heating and cooling action result in weak mortar joints that will have to be fixed to prevent further structural deterioration. With cooling comes the contraction of the brick and mortar.Ĭontinued expansion and contraction weaken the structure, thus making it more vulnerable to cracks, etc. When the fire is put out or burns out, cooling slowly beings. Heat causes the expansion of such bricks and mortar within and around the affected area. Now, as air flows into the fireplace, thermal radiation is pushed towards the back of your firebox to the firebricks. Whenever a fireplace without a heat shield is being used, air from the room is being used to sustain the fire (the presence of oxygen is needed to start a fire). These include expansion & contraction, failing fireplace mortar joints, water intrusion, and structural integrity compromised. The rise in temperature and subsequent loss due to wall absorption causes a wide range of issues. ![]() Quite a lot can go wrong when heat shields aren’t installed in a fireplace. Scenarios Due to Absence of Fireplace Heat Shields ![]() The material used will be determined by the product manufacturer. A variety of such materials are used including insulation fabric (with a highly reflective surface). Such warmth is evenly distributed across the room.įireplace heat shield designs are carefully done with quality insulation materials. With fireplace heat shields, there’s no need to move closer to a fireplace for warmth. Instead of heat being radiated outward to walls, it’s redirected or radiated inwards or into the house which prevents heat escape thus promoting its conservation.Īs a result of increased efficiency, thermal energy presence increases, thus leading to faster healing of your room or home. The mortar holding your wall bricks in place begins to crack among other forms of deterioration.Ī fireplace heat shield will need to be installed to prevent this from happening.įireplace heat shields come as inserts that can be easily installed. ![]() What results is a situation where bricks and mortar are damaged from continued exposure to such heat.
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