Hd Ulv - Underlay Lap Ventilator
by Hambleside Danelaw
The Underlay Lap Ventilator is designed for simple professional or DIY installation from the inside of cold pitched roofs where condensation is a problem. It is designed to fit between the overlaps in the roofing underlay below the tiles or slates to introduce ventilation openings where there is no proper provision for roofspace ventilation or existing ventilating air paths have been blocked, particularly when the loft insulation has been upgraded. The shallow and tapered design of the panel suits all commonly encountered rafter spacings and allows for easier fitting between the roofing felt or underlay where the overlaps are tight. Available in black. Pack of 50.
Specification Details for Hd Ulv - Underlay Lap Ventilator (Roof Ventilation)
Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that Hambleside Danelaw is consulted before specifying.
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