Formaldehyde is a colorless gas that is emitted mainly from household products and building materials. Low levels of formaldehyde in indoor air are actually very common. When found at high levels in air, it can be detected by a sharp smell. High concentrations of formaldehyde can cause irritation of the eyes, nose and throat and can worsen asthma symptoms in children and infants.

Sources of Formaldehyde

  • pressed wood products that use glues that contain formaldehyde, such as particle board, hardwood, plywood paneling, and medium density fibreboard. These products may be used in home construction and renovations, and are also often used to make furniture and cabinets;
  • paints, adhesives, varnishes and floor finishes;
  • household products such as wallpaper, cardboard and paper products;
  • vehicle exhaust from attached garages or from outdoors;
  • smoke from fireplaces and wood-burning stoves; and
  • tobacco smoke.


Formaldehyde Testing:  We provide formaldehyde testing services.


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