Hip Roof vs Gable Roof
Hip Roof vs Gable Roof
Are you in the process of designing or building a new house or framing a roof? If so, chances are you are considering one of the two most popular roof types in the Kenya; hip roof & gable.
We have compared the two roof designs below….
Gable Roof Design
A gable roof is a type of roof design where two sides slope downward toward the walls – and the other two sides include walls that extend from the bottom of the eaves to the peak of the ridge. Also known as pitched or peaked roof, gable roofs are some of the most popular roofs in the Kenya. They are easily recognized by their triangular shape.
Pros: Gable roofs will easily shed water, provide more space for the attic or vaulted ceilings and allow more ventilation. Their simple design makes them easier to build and cheaper than more complex designs.
Cons: Gable roofs can be problematic in high wind prone areas. If the frames are not properly constructed with adequate supports, the roof can collapse due to strong winds. High winds can also cause materials to peel away from gable roofs. If there is too much of an overhang, winds can create an uplift underneath and cause the roof to detach from the walls.
If a gable roof is used in high wind areas, be sure proper braces are used and have the roof inspected after a large storm to ensure no damage occurred.
Note: It is recommended to use at least a pitch of 22.5° angle.
Types of Gable Roofs
Side Gable: A side gable is a basic pitched roof. It has two equal panels or sides pitched at an angle. Both sides of the gable meet at the ridge in the middle of a building. The triangle section can be left open for an open gable roof, or it can be enclosed for a boxed gable roof.
Crossed Gable: A crossed gable roof is two gable roof sections put together at the right angle. The two ridges are perpendicular to each other. Lengths, pitches or heights may or may not differ from each other.
Front Gable: A front gable roof is placed at the entrance of the house.
Dutch Gable Roof: A Dutch gable is a hybrid of the gable and hip roof. A gable roof is placed at the top of a hip roof for more space and enhanced aesthetic appeal.
Hip Roof Design
A hip roof (or hipped roof) is a type of roof design where all roof sides slope downward toward the walls – where the walls of the house sit under the eaves on each side of the roof.
Pros: Hip roofs are more stable than gable roofs. The inward slope of all four sides is what makes it more sturdy and durable.
Hip roofs are excellent for both high wind and snowy areas. The slant of the roof allows water to easily flow with no standing water.
Hip roofs can offer extra living space when a dormer crow’s nest is added to a hip roof.
Note: For high wind areas, or strong storms, a pitch of 18.5°-26.5° angle is recommended.
Cons: Hip roofs are more expensive to build than a gable roof. It’s a more complex design that requires more building materials. Also, if there are dormers built into the overall design of a hip roof, the additional seams and valleys can make it easier for potential water leaks to occur around dormers, if the roofing system is not properly installed or if the end-walls of a dormer are not properly flashed.
Note: Proper construction and roof system maintenance is a must to prevent minor issues from turning into major problems.
Suggested materials: Hip roofs, like gable roofs, can be covered with almost any type of roofing material, such as shingles, decra, mabati metal or tiles.
Simple Hip: The most common type of a hip roof. It has a polygon on two sides and a triangle on two other sides. The sides come together at the top to form a simple ridge.
Cross Hipped: Similar to a cross gable roof. Use separate hip roofs on homes with different wings. The line where the two roofs meet is called a valley.
Note: Valleys can allow water to pool. Proper waterproofing is a must.
Hip roofs are more complicated and labor-intensive to build. Even if the roof square footage works out to be the same between a gable and a hip roof, a contractor will likely spend more time framing a hip roof. So it is costly. Gable roofs are easier and less expensive to build.
Hip roofs are more wind-resistant in a storm.
The triangle-shaped “gable end” is prone to collapse in a force wind if not properly braced, with a domino-effect knocking down a row of roof framing members once the gable end collapses.
Contact us for your roofing quotation.