Formaldehyde can be found in almost all houses, in different concentrations. It is emitted by some types of objects like certain kinds of plywood and paneling, certain other furniture, some foam in place insulation.
This formaldehyde is emitted in the form of gas which can cause the eyes to be watery and can also produce burning sensation in eyes and throat. It can also lead to nausea and cause difficulty in breathing. Presence of formaldehyde can be detected by tests and necessary steps should be taken to prevent the health hazards.
The formaldehyde emission can be blocked by covering the particle board with two coats of polyurethane varnish or lacquer. Usage of soft interior and exterior plywood or wafer boards is preferable to avoid formaldehyde emission. Using solid wood furniture and avoiding veneer helps in staying away from formaldehyde discharge. Heat and humidity can increase the emission of formaldehyde; hence, air conditioners and dehumidifiers should be used. Good ventilation is recommended for proper circulation of fresh air.
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