Defogging in Varennes

Defogging in Varennes

Varennes s'étire le long du fleuve Saint-Laurent avec un charme riverain distinctif. La proximité du fleuve et de la zone industrielle pétrochimique à l'est crée des conditions environnementales particulières qui peuvent affecter la durabilité des matériaux de fenêtres. Le parc résidentiel mélange des maisons patrimoniales du vieux village, des bungalows des années 70-80 et des développements plus récents.

Vosthermos offers a complete defogging service to Varennes residents. We serve all neighborhoods including Vieux-Varennes, Secteur du Fleuve, Domaine de la Baronnie, Le Boisé, Sainte-Anne.

Common problems in Varennes

Understanding the three types of fog in a sealed unit

Not all fog is identical, and the type of fog determines whether defogging is the appropriate solution. Dry fog (or halo) appears as a permanent whitish haze between the panes, often more visible around the edges. It is caused by mineral deposits left by repeated evaporation of moisture that has infiltrated and dried out over time. This type of fog is the most common and generally responds well to defogging.

Wet fog appears as visible droplets or condensation between the two glass panels. It indicates active moisture infiltration through the broken sealant. If the wet fog is recent and the sealant is not too deteriorated, defogging can be effective. In cases where the infiltration is severe and long-standing, sealed unit replacement is often preferable.

Misty fog presents as a diffuse, uniform haze between the panes. It often results from a combination of mineral deposits and residual moisture. This type of fog can be more difficult to treat by defogging, and our technician will honestly assess the chances of success before proceeding.

Frequently asked questions — Varennes