Manthorpe Felt Lap Vents Attic Roof Loft Ventilation 50 PackThe Manthorpe G630 Felt Lap Ventilator is a refurbishment product that is designed to increase the amount of ventilation into existing roof spaces with a lapped felt membrane construction. The product is intended to be fitted retrospectively to properties that have had additional loft insulation recently installed. The vent will help to combat the problem of condensation build up caused by the extra insulation by adding additional ventilation into the

The Hushslab30™ layer to the underside has excellent acoustic properties which can also take care of minor undulations of the floor surface

The dual purpose product

Saves you time and effort

for large quantities please contact us for discounts

Enhance your roofing standards with this dry ridge system

• Minimum embedment depth markerSuitable for 37

Pack Quantity: 1 Each

apron and cover flashings

Drill Hole Depth (mm) - 50

Roll size: 75m2

5kg roll weight)

guaranteeing exceptional strength without compromising on weight