A preformed strip ventilator for use at soffit level in existing and thatched roofs.
A self-coloured, corrosion proof construction incorporating integral insect screen., suitable for upgrade of existing structures, using hidden screw fixing with a cover moulding.
For thatch applications the BRE guide (GBG 32 July 1999) recommends additional soffit ventilation where roofs are re-thatched or internal insulation levels upgraded - type USV satisfies the BRE recommendations.
|Uniclass 2015||Soffit grilles (Pr_30_59_94_78)|
|Equivalent continuous eaves airway|
70 mm x 20 mm x 2400 mm. Free airflow: 12,500 mm² per metre run (Equivalent of a 12 mm continuous gap, when installed along the whole length of the soffit).
UV stabilised polymer Unplasticized polyvinyl chloride (PVC-U) compound.