Flush doors have limited choices in terms of design and intricate carving. They have simple and clean lines with flat and smooth surfaces. Therefore, they cannot be used to any buildings, such as traditional or heritage structure. It will be a poor coordination which can dilute the charm of the structure.
These doors are very modern in look and design, so they are more ideal in buildings like offices, hospitals and schools. Such places requires high level of fire resistance, good insulator of sound and scratch and stain resistant doors They are also used in residential projects though they are not aesthetically pleasing.
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However, they are still favourite among the consumers considering its practical utility in certain cases. Solid flush doors help to retain the warm air in the room during winter season and keep the air conditioning inside during summer time.