Tag Archives: ventilation

Residential Code requirement for bathroom ventilation

The building code requires light and ventilation to bathrooms by means of a window.  The window must have a minimum dimension of 3 square feet, with one half of the area openable. Many times it is not possible to have … Continue reading

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Residential Code requirement for under-floor ventilation

The building code (R408) requires ventilation for the under-floor space in a home, with the minimum size of the openings determined by the net area of the under-floor space.  The opening size must equal at least one square foot for … Continue reading

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