Top 8 roof Ventilation Lap Vents UK – Vents

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1. Manthorpe

10 x Felt Lap Vents Prevents Loft roof Condensation. Attic Space Ventilation

Manthorpe - Prevents roof condensation and moisture drops. Easy to fit just slots between the felt laps. Can be installed from inside of loft. Pack of 10 Felt lap vent Prevents Roof Condensation.
BrandManthorpe
ManufacturerManthorpe
Part Numberhsmart-532- var_SML
Model_SML

2. Manthorpe

Pack 25 Roofing Felt Lap Vent Stops Loft roof Condensation / Attic Space Ventilation Airflow

Manthorpe - Easy to fit just slots between the felt laps. Prevents roof condensation and moisture drops. Felt lap Roof Vents. Pack of 25. Felt lap Roof Vents. Can be installed from inside of loft.
BrandManthorpe
ManufacturerManthorpe
Part Numberhsmart-686

3. Ashbrook Roofing

Manthorpe Felt Lap Vents Attic Roof Loft Ventilation Cures Condensation 20 Pack

Ashbrook Roofing - Can be fitted in joist centres with a range of 400mm - 600mm, suitable for most roofs. Each unit has an additional 3 clips to a secure fit, even on degrading shed felt. Easy to fit product with a tapered lead to allow easy insertion between the felt lap vents. Provides the loft space with 3000mm² airflow per unit installed.
BrandAshbrook Roofing
ManufacturerManthorpe

4. Manthorpe

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

Manthorpe - The product is intended to be fitted retrospectively to properties that have had additional loft insulation recently installed. 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.

The product will not meet the requirement for roof space ventilation solely on its own it will only provide airflow through the felt laps into the batten void. 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 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 vent will help to combat the problem of condensation build up caused by the extra insulation by adding additional ventilation into the roof space.
BrandManthorpe
ManufacturerManthorpe
Part NumberG630

5. Manthorpe

Pack 10 Roofing Felt Lap Vent Stops Loft roof Condensation / Attic Space Ventilation Airflow

Manthorpe - The vent will help to combat the problem of condensation build up caused by the extra insulation by adding additional ventilation into the roof space. 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 is intended to be fitted retrospectively to properties that have had additional loft insulation recently installed. The 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 will not meet the requirement for roof space ventilation solely on its own it will only provide airflow through the felt laps into the batten void. 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.
BrandManthorpe
ManufacturerManthorpe
Part NumberG630

6. Hambleside Danelaw Ltd

Danelaw Felt Lap Vent Roof Loft Ventilation Cures Condensation x 20

Hambleside Danelaw Ltd - Can be fitted in joist centres with a range of 400mm - 600mm, suitable for most roofs. Provides the loft space with 2280mm² airflow per unit installed. Easy to fit product with a tapered lead to allow easy insertion between the felt lap vents.
BrandHambleside Danelaw Ltd
ManufacturerHambleside Danelaw Ltd

7. Manthorpe

50 x Felt Lap Vents Prevents Loft roof Condensation. Attic Space Ventilation by Manthorpe

Manthorpe - The product will not meet the requirement for roof space ventilation solely on its own it will only provide airflow through the felt laps into the batten void. The 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 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 is intended to be fitted retrospectively to properties that have had additional loft insulation recently installed.

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. The vent will help to combat the problem of condensation build up caused by the extra insulation by adding additional ventilation into the roof space.
BrandManthorpe
ManufacturerManthorpe
Part Number5621607

8. Timloc

Timloc 5560 Pack 10 Roofing Felt Lap Vent Stops Loft roof Condensation/Attic Space Ventilation Airflow

Timloc - Also a remedial solution for combating condensation in cold roof voids and can be fitted retrospectively after increased loft insulation. Refurbishment ventilator for existing roof spaces to increase the level of ventilation in a roof space by separating lap joints in the roofing felt/membrane.
BrandTimloc
ManufacturerTimloc