Ventilation
Ventilation is required within roof construction in order to control condensation within the building envelope - this is documented in BS5250:2002.
Jewson branches stock a wide range of ventilation products for a variety of applications.
Ventilation is required within roof construction in order to control condensation within the building envelope - this is documented in BS5250:2002.
Jewson branches stock a wide range of ventilation products for a variety of applications.
