How wide should Eaves be?

Asked By: Ligaya Rotea | Last Updated: 6th January, 2020
Category: business and finance construction industry
5/5 (419 Views . 41 Votes)
As a rule of thumb, eaves width should be 45% of the height from the window sill to the bottom of the eaves.

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Similarly, you may ask, how far should eaves overhang?

Two feet

Also Know, what is the difference between eaves and soffits? The main difference between Soffit and Eaves is that the Soffit is a structure to fill the space between the ceiling and the top of cabinets mounted on the wall and Eaves is a edges of the roof which overhang the face of a wall.

One may also ask, are Eaves necessary?

Why Eaves are a Necessary Design Feature. Roofing eaves do an important job in keeping water away from wall and window systems. However, eaves perform a vital role in protecting the home from moisture. Eaves don't just protect the home from ice, rain and snow.

How big should overhang be?

A typical overhang for a comfortable seating area should be around 25-30cm (10-12”), this should leave enough knee room and adequate space between the countertop edge and the person seated. Therefore, as the depth of the overhang increases, so does the comfort and usability of the bar.

38 Related Question Answers Found

What is the underside of a roof overhang called?

Soffit: The underside of the eaves, or roof overhang, which can be enclosed or exposed. Soffit Vent: An intake vent in the soffit area of the house that provides attic venting at a lower portion of the roof deck and good circulation with other forms of venting such as ridge or roof vents; also called an intake vent.

What is the purpose of eaves on a house?

Eaves are the part of the roof that hangs out over the walls to provide shade to the outside of your house. An eave is formed when the ends of the rafters extend past the outside walls and hang over the side of the house. Eaves are made up of two main portions: the fascia and the soffit.

What are eaves and overhangs?

The eaves are the edges of the roof which overhang the face of a wall and, normally, project beyond the side of a building. The eaves form an overhang to throw water clear of the walls and may be highly decorated as part of an architectural style, such as the Chinese dougong bracket systems.

Does metal roof need drip edge?

A drip edge is a metal (usually aluminum) strip which extends beyond other parts of a roof and directs rainwater off the roof away from the fascia and into the gutter. This is important because a badly positioned drip edge—or no drip edge at all– can cause overflowing of gutters, over front or back.

Do you need a roof overhang?


Roof overhangs have several important functions: they can protect exterior doors, windows, and siding from rain; they can shade windows when solar heat gain is undesirable; and they can help keep basements and crawl spaces dry. The most common design error is to make roof overhangs too stingy.

How much does it cost to replace Eaves?

Replacing your soffit generally costs about $20 to $30 a linear foot installed, while replacing your fascia costs about $15 to $25 a linear foot installed. Prices for the project depend on a number of factors, including the materials used and the size of your house.

What material is used for eaves?

Roof overhangs, also known as eaves, can be finished in a number of materials—including PVC, wood, or aluminum.

How are eaves energy efficient?

Shading your house and outdoor living areas will dramatically reduce the heat you feel from the sun's rays, improve your family's comfort and save energy. Eaves are essential for shading windows and walls outside your home and reduce the heat load entering the building.

Is fascia part of roof?

Roofing Parts-The Purpose of the Fascia & Soffit. Every part of your roofing structure has a lot to do with keeping your home dry and comfortable. Fascia, on the other hand, is a part that can easily be damaged. It is the parallel edge that is connected to the ends of the trusses or rafters.

What does a roof eave look like?


An eave is the edge of a roof, which is why they are sometimes called roof eaves. Inside your home, usually in the attic, the eave is the angle where the roof meets the outside wall—a good place for insulation, as long as it doesn't get into the soffit (the underside of the overhang).

Are gutters necessary on a house?

But most homes do need a good rain gutter system to collect the storm water that lands on the roof and direct it away from the house to prevent damage to the structure of your home and to protect your foundation and driveway and sidewalk from pooling water on the sides of your home.

What is a house Gable?

A gable is the generally triangular portion of a wall between the edges of intersecting roof pitches. The shape of the gable and how it is detailed depends on the structural system used, which reflects climate, material availability, and aesthetic concerns.

What are eaves protectors?

Eaves Protector. An eaves protector is used to bridge the gap between your gutter and roofing membrane, reducing the risk of ponding and the formation of damp or rot.

How do you spell eaves on a house?

Eaves are the lower edges of a roof, often overhanging the walls of the building. Eaves is the plural form of eave, which is rarely used except as an adjective before a noun. The word eaves is derived from the Old English word efes, which means edge of a roof.

How do you calculate eaves height?


Where there is a flat roof a similar approach should be taken for measuring eaves. Eaves height is measured from the ground level at the base of the outside wall to the point where that wall would meet the upper surface of the flat roof. The overhand and the parapet should be ignored for the purposes of measurement.

How are downpipes measured?

To calculate the minimum number of downpipes, divide the roof catchment area by the allowable maximum catchment per downpipe. To calculate the average catchment per downpipe, divide the roof catchment area by the number of downpipes.

What size downpipes do I need?

Usually, the size for the largest collection area on the roof is used to size downpipes throughout. up to 50 m². Areas A and B require 74 mm diameter downpipes and Area C requires a 63 mm diameter downpipe (see Figure 2). Therefore, 74 mm downpipes are adequate for A, B and C.