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Manthorpe Felt Lap Vent - White

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Est. Delivery: 1-2 Working Days
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£2.24 Incl. VAT
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Manthorpe Felt Lap Vent - White

The Manthorpe Felt Lap Vent is a refurbishment product designed to increase the amount of ventilation into existing roof spaces. Usually fitted retrospectively to properties with additional loft insulation recently installed, however, the Felt Lap Vent will help to combat the problem of condensation build-up in any roof space with a lapped felt/membrane construction.

The product will not meet the requirement for roof ventilation solely on its own, it will only provide airflow through the felt laps. Other measures may need to be in place to ensure that an adequate amount of ventilation is provided for the roof space.

Product Benefits

  • Can be fitted at joist centres ranging from 400mm to 600mm
  • 3,000mm2/m airflow
  • Easy to fit, the tapered lead in helps to slot the product between the felt laps

The three felt clips help secure the product in place even if the edge of the felt is degraded.

There are no product specifications to show.

Questions & Answers


Manthorpe Felt Lap Vent - White, will I be able to fit this product between joists that have a gap of only 300mm?


These are 275mm wide so you should have room to fit them.

Have a question about this product?


5 / 5 5 reviews
roger apthorp
1st February
Easy to fit
24th June 2021
Well made and easy to fit.. time will tell if it cures the condensation in the loft.
20th March 2021
Very easy to install and has improved the loft ventilation.
23rd August 2020
Easy to fit. Will see if they work.
Mr steve gwilliam
2nd May 2020
Works a treat and the service excellent
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Manthorpe Felt Lap Vent - White

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