Roof vents

Ventilation is the key to generate a natural flow of air to create a well-ventilated roof. Choose the best roof vent for your house from our wide range of products offered by Build4less. If you need any help feel free to contact us on 020 3582 6399 or via Live Chat. To know more about roof vents Read Our Guide.
Outlet Grill for Rainwater Outlet - All Sizes
Outlet Grill for Rainwater Outlet - All Sizes - Klober Roofing
Vendor
Klober
Regular price
from £6.19 £7.43
Sale price
from £6.19 £7.43
Regular price
£0.00
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Rainwater Outlet Vent Bitumen - All Sizes
Rainwater Outlet Vent Bitumen - All Sizes - Klober Roofing
Vendor
Klober
Regular price
from £26.99 £32.39
Sale price
from £26.99 £32.39
Regular price
£0.00
Unit price
per 
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Rainwater Outlet Vent PVC - All Sizes
Rainwater Outlet Vent PVC - All Sizes - Klober Roofing
Vendor
Klober
Regular price
from £11.84 £14.21
Sale price
from £11.84 £14.21
Regular price
£0.00
Unit price
per 
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20K Slate Vent DN150 - All Colours
20K Slate Vent DN150 - All Colours - Klober Roofing
Vendor
Klober
Regular price
from £19.98 £23.98
Sale price
from £19.98 £23.98
Regular price
£0.00
Unit price
per 
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Uni-Plain Tile Vent 6K - All Colours
Uni-Plain Tile Vent 6K - All Colours - Klober Roofing
Vendor
Klober
Regular price
from £19.99 £23.99
Sale price
from £19.99 £23.99
Regular price
£0.00
Unit price
per 
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Profile-Line Flat Tile Vent - All Colours
Profile-Line Flat Tile Vent - Antique Red
Vendor
Klober
Regular price
£25.45 £30.54
Sale price
£25.45 £30.54
Regular price
£0.00
Unit price
per 
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Profile-Line Double Roman Tile Vent - All Colours
Profile-Line Double Roman Tile Vent - All Colours - Klober Roofing
Vendor
Klober
Regular price
£22.95 £27.54
Sale price
£22.95 £27.54
Regular price
£0.00
Unit price
per 
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Profile-Line Twin Plain Tile Vent - All Colours
Profile-Line Twin Plain Tile Vent - Antique Red
Vendor
Klober
Regular price
£34.20 £41.04
Sale price
£34.20 £41.04
Regular price
£0.00
Unit price
per 
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Profile-Line Single Pantile Tile Vent - All Colours
Profile-Line Single Pantile Tile Vent - All Colours - Klober Roofing
Vendor
Klober
Regular price
from £19.48 £23.38
Sale price
from £19.48 £23.38
Regular price
£0.00
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per 
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Profile-Line 15mm x 9mm Tile Vent - All Colours
Profile-Line 15mm x 9mm Tile Vent - All Colours - Klober Roofing
Vendor
Klober
Regular price
from £20.67 £24.80
Sale price
from £20.67 £24.80
Regular price
£0.00
Unit price
per 
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Profile-Line Thin Line Tile Vent - All Colours
Profile-Line Thin Line Tile Vent - Antique Red
Vendor
Klober
Regular price
£23.30 £27.96
Sale price
£23.30 £27.96
Regular price
£0.00
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per 
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Profile-Line Double Pantile Tile Vent - All Colours
Profile-Line Double Pantile Tile Vent - Antique Red
Vendor
Klober
Regular price
£22.95 £27.54
Sale price
£22.95 £27.54
Regular price
£0.00
Unit price
per 
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Soil Adaptor for Universal Vent/Large Slate Vent
Soil Adaptor for Universal Vent/Large Slate Vent - Klober Roofing
Vendor
Klober
Regular price
£16.95 £20.34
Sale price
£16.95 £20.34
Regular price
£0.00
Unit price
per 
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Profile-Line Limarech Tile Vent - All Colours
Profile-Line Limarech Tile Vent - All Colours - Klober Roofing
Vendor
Klober
Regular price
£22.28 £26.74
Sale price
£22.28 £26.74
Regular price
£0.00
Unit price
per 
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Uni-Line Slate Vent Adaptor - All Colours
Uni-Line Slate Vent Adaptor - All Colours - Klober Roofing
Vendor
Klober
Regular price
£23.50 £28.20
Sale price
£23.50 £28.20
Regular price
£0.00
Unit price
per 
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Small Slate Vent With Pipe 5k - All Colours
Small Slate Vent With Pipe 5k - Black
Vendor
Klober
Regular price
£8.76 £10.51
Sale price
£8.76 £10.51
Regular price
£0.00
Unit price
per 
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Universal Vent Tile Base with Cap - All Colours
Universal Vent Tile Base with Cap - All Colours - Klober Roofing
Vendor
Klober
Regular price
from £20.83 £25.00
Sale price
from £20.83 £25.00
Regular price
£0.00
Unit price
per 
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10K/Profile- Line Adaptor With 100/100 Flexi
10K/Profile- Line Adaptor With 100/100 Flexi - Klober Roofing
Vendor
Klober
Regular price
£16.71 £20.05
Sale price
£16.71 £20.05
Regular price
£0.00
Unit price
per 
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Universal In-Line Vent Tile - All Colours
Universal In-Line Vent Tile - All Colours - Klober Roofing
Vendor
Klober
Regular price
from £27.58 £33.10
Sale price
from £27.58 £33.10
Regular price
£0.00
Unit price
per 
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Caps to Suit Large Slate Vent Base (Slate Grey)
Caps to Suit Large Slate Vent Base (Slate Grey) - Klober Roofing
Vendor
Klober
Regular price
£5.25 £6.30
Sale price
£5.25 £6.30
Regular price
£0.00
Unit price
per 
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Slate /Profile Vent Adaptor 10k
Slate /Profile Vent Adaptor 10k - Klober Roofing
Vendor
Klober
Regular price
£4.45 £5.34
Sale price
£4.45 £5.34
Regular price
£0.00
Unit price
per 
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20K High Flow Tile Vent - All Colours
20K High Flow Tile Vent - All Colours - Klober Roofing
Vendor
Klober
Regular price
£25.05 £30.06
Sale price
£25.05 £30.06
Regular price
£0.00
Unit price
per 
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PTV Adaptors
PTV Adaptors - Klober Roofing
Vendor
Klober
Regular price
£12.46 £14.95
Sale price
£12.46 £14.95
Regular price
£0.00
Unit price
per 
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Mini Uni-Line Slate Vent With Adaptor - All Colours
Mini Uni-Line Slate Vent With Adaptor - All Colours - Klober Roofing
Vendor
Klober
Regular price
£19.70 £23.64
Sale price
£19.70 £23.64
Regular price
£0.00
Unit price
per 
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Universal Vent Tile - Cap Only - All Colours
Universal Vent Tile - Cap Only - All Colours - Klober Roofing
Vendor
Klober
Regular price
£6.90 £8.28
Sale price
£6.90 £8.28
Regular price
£0.00
Unit price
per 
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Large Slate Vent Base 14.5K
Large Slate Vent Base 14.5K - Klober Roofing
Vendor
Klober
Regular price
£15.10 £18.12
Sale price
£15.10 £18.12
Regular price
£0.00
Unit price
per 
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Slate Vent 10k
Slate Vent 10k - Klober Roofing
Vendor
Klober
Regular price
£10.99 £13.19
Sale price
£10.99 £13.19
Regular price
£0.00
Unit price
per 
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20K Adaptor DN150
20K Adaptor DN150 - Klober Roofing
Vendor
Klober
Regular price
£14.68 £17.62
Sale price
£14.68 £17.62
Regular price
£0.00
Unit price
per 
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Univent Adaptor 100mm (No Pipe)
Univent Adaptor 100mm (No Pipe) - Klober Roofing
Vendor
Klober
Regular price
£11.99 £14.39
Sale price
£11.99 £14.39
Regular price
£0.00
Unit price
per 
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Roll Out Rafter 6m - All Sizes
Roll Out Rafter 6m - All Sizes - Klober Roofing
Vendor
Klober
Regular price
from £5.15 £6.18
Sale price
from £5.15 £6.18
Regular price
£0.00
Unit price
per 
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Breather Vent Bitumen - All Sizes
Breather Vent Bitumen - All Sizes - Klober Roofing
Vendor
Klober
Regular price
from £31.14 £37.37
Sale price
from £31.14 £37.37
Regular price
£0.00
Unit price
per 
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Vent Pipe Terminal PVC - All Sizes
Vent Pipe Terminal PVC - All Sizes - Klober Roofing
Vendor
Klober
Regular price
from £20.84 £25.01
Sale price
from £20.84 £25.01
Regular price
£0.00
Unit price
per 
Sold out

What are the roof vents?

The flow of air into space to control the quality of air inside the house is known as ventilation. Roof vents are specially designed to either extract damp air into space or draw in fresh air into the house.

Roof insulation and ventilation not only affect the loft or roof but also affects your entire homes heating and cooling system increases the energy bills.

What is the purpose of roof vent?

The primary purpose of roof ventilation or loft ventilation is to extract the cold and hot air from the loft to decrease the heating and cooling load of the house in the winter and summer season. Loft insulation and ventilation both play a vital role to keep your loft in a good condition.

For example, if you install loft insulation but the loft is not properly ventilated than there are chances of condensation.

But this will not happen if the loft is properly ventilated and will also help to increase the energy efficiency and life of the house. It is relatively easy to resolve any condensation issues by adding additional roof or loft ventilation.

Type of roofing ventilation.

  • Tile and slate vents

According to the professional’s tile and slate, vents are the easiest solution to the ventilation problem in the roof. They are easy to install in a new roof as well as in the existing roof. They are specially designed to increase the air circulation in the loft and help prevent the penetration of rainwater inside the house.

  • Fascia vents

Fascia vents allow air to pass into your roof from in between felts and fascia vents. They are easy to install and provides loft space better ventilation.

  1. Rafter tray vents

Rafter tray vents need to be fitted in between tile or slate and insulation in the loft. It provides direct ventilation in the loft by providing a free flow of air inside.

  1. Drainage vents

Drainage vents are used to drain the water from the brick wall and air to circulate. There are small vertical gaps in the brick also known as weep holes. They are used in conjunction with the cavity tray. 

  1. Underfloor vents

Underfloor vents when used provides an airflow passage through the wall into the voids. In Part C of building regulation, it is mentioned to use underfloor vents to decrease the problem of moulds and stagnates inside the house.

  1. Loft fans

A powered loft ventilation or loft fans helps to regulate the level of heat in the loft by exhausting hot air in the space. But you should always remember to install other additional vents to draw in fresh air as hot air is exhausted.

  • Gable end vents

Gable end vents are installed in the gabled ends on both the sides of the loft. This is the most effective way as the vents are aligned with the prevailing wind. The gable vents work as both intake and exhaust vents.

Advantages of using proper roof vent.

There are many different types of roof vents, you must make sure that you have the right amount of both exhaust and intake vents in the central part of the roof design. There are a lot of advantages to homeowners with proper loft ventilation.

  • Ventilation helps moderate the temperature in the loft and may also help in controlling the temperature of the house.

  • If the loft is properly ventilated it helps to prevent the accumulation of moisture in winter and prevents the condensation process in summer.

  • Proper ventilation of the loft increases the energy efficiency of the house.

  • It increases the life of the loft material/ roofing material.

  • Proper ventilation decreases the cost of energy bills.

  • Proper ventilation of the house helps you to stay in compliance with the rules of ventilation as per building regulations.

  • Decreases the damp smell and airborne chemical from the loft.

  • Decreases mould and bacteria growth in the loft or roof.

How to install roof vent in shingles?

Here at Build4Less we are dedicated to providing our customers with the best products at the best prices possible. Browse our range of products and feel free to contact a member of our support team on 020 3481 1978 or via LiveChat .

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