Congratulations, you’re now officially “roof level” on your dream home! With this exciting milestone comes a whole new world of roofing terms and products you may not have known existed. At Kytun, we’re dedicated to helping self-builders like you navigate the ins and outs of roofing, ensuring you choose the best system for long-lasting protection and peace of mind for years to come.  

In this blog, we will take a look at all things roof eaves: what they are, why they’re important, and how they contribute to your roofing system.   

Overhanging Eaves

Flush Eaves

Boxed Eaves

What are the Eaves of a Roof?

The eaves of a roof are the lower edges or overhanging parts that extend beyond the exterior of a building. Eaves can vary in style and design, depending on the architectural style of the building.  

In order to comply with building regulations, roofing eaves must provide weather protection, improve energy efficiency, aid ventilation and support moisture control. They also contribute to thermal efficiency by reducing solar heat gain and can be essential for meeting planning permissions and sustainability goals, such as water conservation and architectural aesthetics.  

What are the Functions of Roof Eaves?

  1. Water Drainage: Eaves help channel rainwater away from the building’s foundation, preventing water damage.  
  1. Protection: They provide shade to windows and walls, which can help regulate indoor temperatures and protect the building exterior from harsh weather conditions.  
  1. Aesthetic Appeal: Eaves can enhance the architectural design of a building contributing to its overall visual appearance.  
  1. Ventilation: In some designs, eaves allow for ventilation in the loft space, which can help to minimise moisture vapour levels and reduce the risk of harmful roof space condensation and regulate temperature. At Kytun, our One-Fix Eaves Ventilation products ensure a project’s ventilation requirements at the eaves are met.  

Are there Different Types of Roof Eaves?

Yes, depending on the aesthetic and overall design and performance you’re hoping to achieve on your home’s roof, there are a variety of roof eaves to choose from. Each serves a different aesthetic and functional purpose.   

  1. Open Eaves: This design features exposed rafters or beams, allowing for ventilation and showcasing the roof’s structural elements. They are often used in traditional or rustic-style homes.  
  1. Closed / Box Eaves: Closed / box eaves feature an overhang created by extending the roof beyond the external wall, this overhang is closed in with a soffit to the underside. They offer a robust and finished look, provide a choice of entry points for loft space ventilation and are widely seen in modern and contemporary architecture.  
  1. Hipped Eaves: Found in hipped roofs, hipped eaves slope downward on all sides, providing a distinctive appearance. They are effective for water drainage and can offer more protection against the elements.  
  1. Gabled Eaves: This style occurs in gable roofs, where the eaves follow the pitch of the roof. They create a triangular appearance and are commonly seen in traditional homes.  
  1. Flared Eaves: Flared eaves extend outward at the lower edge, creating a dramatic visual effect. This design is often seen in Asian architecture and can provide additional shade.  
  1. Overhanging Eaves: These eaves extend significantly beyond the walls, providing ample protection from rain and sun. They are effective for energy efficiency and reducing heat gain in the building.  

In closing, roofing eaves are key components in the maintenance and longevity of a roof.  

Protecting your Roof 

Ventilation is the key to maintaining the integrity of your roof. Kytun offers a comprehensive range of eaves ventilation products designed to ensure that your project’s ventilation requirements are fully met. Our high-quality solutions provide effective airflow while protecting your building’s integrity.  

Take a look here at how your home’s roof can be secured for years to come with Kytun.

Explore Kytun products today:  

Rafter Ventilator  

Bird Eaves Comb  

Continuous Rafter Tray 6m  

Eaves Protector  

OneFix Eaves Ventilation System 10mm  

Over Fascia Ventilator  

Find Out More

If you have any questions about roofing eaves or our  One-Fix Eaves Ventilation products or need any expert advice on your roofing project, contact our team or call us  

UK +44 (0) 1684 293702  

Ire +353 74 913 9500 or, for more information, tips, and expert advice, stay tuned to our socials and blog.