Pack 20 Roofing Felt Lap Vent Stops Loft roof Condensation/Attic Space Ventilation Airflow

Product Information

Easy to fit and install with a tapered lead-in that aids in smoothly slotting between the felt laps, these felt lap vents from Manthorpe are refurbishment products that increase ventilation in your existing roof spaces. For roof spaces that require more than the 15000mm/m ² the spacings half for each additional 5000mm/m ² 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. A felt lap vent will not meet the requirements for roof space ventilation on its own. The felt lap vent only provides airflow through the vent flaps and will need to be paired with another kind of roofing ventilation to ensure your roof space is fully ventilated. 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

But roof vents aren’t as simple as just drilling some holes in your roof and calling it a day. To make sure that the roof is still waterproof, you need to use specially designed roof vents. But there’s no reason to fear, there are several different approaches to roof vents and you’re sure to find one that suits your roof. Tiled Vents Felt lap vents are designed to increase the amount of ventilation in existing roof spaces. They tend to be fitted retrospectively to properties which have additional loft insulation, with the roof lap vent helping to combat the issue of condensation accumulation.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, 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 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. If the delivery is missed for any reason, you will be billed again for the re-delivery. See below: failed deliveries. Roof ventilation from Manthorpe can help save both pennies and the environment. In an increasingly energy-conscious world, clients are much more aware of how to save money as well as the planet, so specifications can become even more demanding, putting extra pressure on budgets. Fortunately, Manthorpe’s cost-effective solutions cater for all types of roof ventilation requirements, including new build and refurbishment. Loft vents come in all shapes and sizes. Our top 5 Loft Ventilation Products to stop condensation in your attic are listed below: Felt Lap VentsIf fascia vents enter at the roof’s lowest point, then abutments can enter at one of their highest – they can be placed where a pitched roof meets a flat wall. Abutment vents are rolled-out material that allows some air to enter and exit, and are installed and then covered in lead flashing. At ERoofing, we sell the Manthorpe Flash Vent. Made from an injected moulded polypropylene they are a lightweight solution that is fully recyclable. How Many Vents Do I Need? 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. 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? Attic or loft condensation is normally spotted either in the winter months or after installing new loft insulation. All homes generate moisture from everyday activities like cooking and showering. When this moisture condenses in a cold loft it can eventually lead to costly problems like rotten roof timber. For more information read our guide on condensation.

Delivery charges will vary and will depend on the manufacturer, weight, size and delivery location. The cost is automatically calculated when you add items to the shopping basket. 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. Manthorpe Felt Lap Vents are refurbishment products designed to increase the amount of ventilation into existing roof spaces with a lapped felt/membrane Our sales office will need to be made aware of any delivery restrictions, such as narrow lanes, overhanging trees etc. that may cause restrictions. Felt lap vents are another great way to help ventilate your loft or attic. Rather than creating an opening in the roof itself, felt lap vents just create an opening in the roofing felt. Roofing felt is a membrane between the tiles and the actual loft. While the tiles on the top of a house allow some air through, felt lap vents allow that air to make it through the roofing felt. This is particularly important if your house has roofing felt made up of a non-breathable membrane. At ERoofing, we carry the versatile and effective Manthorpe Felt Lap Vent, one of our best-selling products.Selecting the amount of airflow, then dividing the roof length by the spacing (in meters) indicted below. 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. 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. Selecting the amount of airflow, then dividing the roof length by the spacing (in meters) indicated below. Free Flowing Airflow Products are also available for slate roofs in the form of slate vents. Compact, easy to install, and discreet, these vents are ideal for period properties and stone houses, where they promote airflow and keep roof spaces free from condensation. They slot in place just like regular roof slates and blend in seamlessly with the rest of the roof.