Category
Building Doors Building Suppli
Store
Screwfix
Brand
Manthorpe
Designed to increase the amount of ventilation into existing roof spaces and usually fitted retrospectively to properties with recently installed additional loft insulation. Helps to combat the problem of condensation build-up in any roof space with a lapped felt/membrane construction. Remedial solution to help overcome the build-up of condensation in the roof space. May be fitted at joist centres ranging from 400 to 600mm. Provides 3000mm² airflow, per G630, when fitted as per instructions. The specifier or user should be aware that the opening of felt laps on the roof may adversely affect the driving rain resistance of the slates, tiles or shingles, as well as increase the wind uplift forces acting upon them. Insect Screen Not Supplied Tapered Lead Aids Fitting 3 x Felt Clips Insect Screen Not Supplied Tapered Lead Aids Fitting 3 x Felt Clips
24.99 GBP
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