Shallow Pitch Garage Roof

Finding the right products for your low slope roof.

Shallow pitch garage roof.

A low pitched roof is anything that is any roof with a pitch of 3 12 or less. A common choice for flat roofing material is epdm rubber as it is highly durable waterproof and can be made from recycled materials. This has driven a push to go against our cultural inheritance and accept these lower pitched roofs. If going the non trussed route for a moderate to low pitched roof the rate per square foot of framing including labor is a range of 11 to 22.

As roof materials a shallow roof pitch became possible. Most roof materials have a recommended pitch range for which they are most appropriate. For example wood and slate shingles might work for roofs steeper than the top recommendation of 12 12 but you should not install them below the 4 12 lower range. From a practical perspective it s difficult to use high rafter ties on a low pitched roof because the force in each tie increases with the inverse of the pitch.

A mansard roof in opposition to a salt box offers the utility of a full half room on the upper floor rather than an attic. Roof pitch basics a 2 12 roof slope means your roof has 2 inches of vertical drop for every 12 inches of horizontal distance. Just like any other roofing system low slope roof designs will have several effects on the overall construction of the building including the interior volume the style and design of the house the drainage system and the material used for covering. More commonly roll on membranes such that use heat to bond seams together is used as a roofing material.

In some rare cases i will grudgingly grant that a roof with a shallow pitch looks good. That means the roof doesn t shed water as easily as steeper roofs which is why choosing the right type of roofing material is so important. A low slope roof design typically has a pitch of between 2 12 and 4 12. It features tow pitches one a shallow pitch atop a steeper slope.

Larger flat roofed applications low slope such as residential condominium complexes row homes and town houses and smaller applications such as residential porch and garage transitions from the main home where the slope of the roof changes dramatically. Sometimes seen on square buildings a tented or pyramidal roof feature four slopes rising to a peak. The smallest pitch of a roof is 0 5 12. Many roofing shingles do not allow applications onto roofs at this pitch.

A completely flat roof is a poor design as water and snow will collect on it eventually leading to your roof collapsing in from the weight of it all. These are often steeply pitched roofs. If your garage is 24 feet wide and has a 4 12 roof the new rafter ties can be placed no more than 16 inches up from the plate without additional engineering. Residential low slope roofing can generally be divided up into two broad categories.

Simply put it s a shallow roof.