Made from an injected moulded polypropylene they are a lightweight solution that is fully recyclable. How Many Vents Do I Need? Our roof ventilation range is entirely British manufactured, as are the majority of our products; proudly supporting British manufacturing and minimising risk in the supply chain and in your project schedules. Roof and eaves ventilation – complete solutions The EasyVent is both innovative, inexpensive and inconspicuous. Just like Manthorpe vents, they are installed on the inside of the roof, in between the overlap and underlap of the felt lining or membrane.

Felt Lap Vents are considered by many as the most popular and easy-to-fit products available on the market today. Inserted on the inside of the roof, they are a DIY product that can be easily and cheaply installed. They are extremely effective at treating condensation problems in attics and lofts. Manthorpe and Easy Vents for Lofts are widely considered to be the best on the market. Manthorpe Felt Lap Vent. Please Note: 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 on them. In this final section of our complete guide on how to stop condensation in loft spaces, we will give you all the tips and professional advice you need to banish condensation from your home. What causes condensation in your attic?

Felt Lap Vent Installation

You're able to select a preferreddelivery date in your shopping basket. Whilst we aim to deliver your items on this date, it is not guaranteed. Each felt lap vent creates an air gap delivering up to 3000mm2/m of ventilating airflow. When combined with existing roof space ventilation, fitting evenly spaced lap vents on both sides of the loft will fix most loft condensation problems.

The Manthorpe Felt Lap Vent is a refurbishment product designed to increase the amount of ventilation into existing roof spaces. This right starts from the point you or someone you nominate receives the goods. If your goods are being delivered in multiple deliveries your right starts from the point the last delivery is received. Manthorpe felt lap vents provides an effective solution to increasing the amount of free air ventilation to your roof space and thus preventing condensation. Typically retro-fitted in older refurbished properties that may not have an effective roof ventilation system or tile vents installed, and which may have had additional loft insulation. The Felt Lap Vent helps to combat the problem of condensation build up due to warm air in any attic or loft with a lapped felt/membrane construction, by increasing ventilation. Please ensure that you work safely at all times and get advice or help from a professional trades person if you are unsure. Felt Lap Vent Installation The Felt Lap Vent can be fitted to any loft with joists ranging from 400mm to 600mm, and they are fully recyclable after use. EasyVent for Lofts.

Roof and eaves ventilation – complete solutions 

The key with abutment vents is that there needs to be a gap between the nearest batten and the flat wall. – 10mm for the Manthorpe vent though this can vary. The roofing felt needs to be draped around the battens so that the 10mm gap is clear. After this, the top layer of tiles needs to be placed so the abutment vent can be installed. Simple to install even for a DIY Enthusiast, the vent simply slides between the two layers of underlay felt beneath your existing roof tiles or slates. They can be installed from inside the property so no need to remove any of the existing tiles, timber battens or felt. Important loft lap vent installation notes Manthorpe Felt Lap Vents are refurbishment products designed to increase the amount of ventilation into existing roof spaces with a lapped felt/membrane

The gap between a house’s roof and a house’s ceiling is called the roof void. In most houses, this is the loft or the attic. In houses with flat roofs, there is no roof void and roof vents are not needed. The position of the roof void means that it needs ventilation to prevent condensation. Without this, the rot will begin to set in in the timbers of the roof and spread to the rest of the house. For roof spaces that require more than the 15000mm/m² the spacings half for each additional 5000mm/m² The product has been designed as a remedial solution to help overcome the build-up of condensation in the roof space, however, like all products that open the felt lap to provide ventilation it does not meet the code of practice BS 5534:2014+A2:2018 6.2.1.1. The product has been designed as a remedial solution to help overcome the build-up of condensation in the roof space, however like all products that open the felt lap to provide ventilation it does not meet the code of practice BS 5534:2014+A2:2018 6.2.1.1. 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 on them.

Increase roof ventilation and prevent loft condensation problems with the Manthorpe felt lap vent

Works hand in hand with existing vent products to enhance ventilation throughout the roof space and combat condensation issues Without proper ventilation, temperature changes and moisture build up can cause problems with condensation, unwelcomed damage to your belongings and insulation , damp and a variety of other issues. Ventilation is easy to install and worth the investment to keep your loft or attic free from these problems. We can only provide a delivery date and are not able to confirm the time delivery will be attempted. Therefore, we ask that somebody is able to accept and sign for your items throughout the started delivery date.