Residential Concrete Roof Overhang

A minimum class a b or c roofing shall be installed in areas designated by this section or where the edge of the roof is less than 3 feet 914 mm from a lot line.

Residential concrete roof overhang.

Overhangs are common in most house designs providing protection against both wind and rain. If the wind is blowing overhangs only protect the top few feet of the wall anyway. Roof overhangs are the amount that the roof hangs over the top of the siding in residential home construction. The beam is formed over uncut block in courses successively shortened to match the slope of the roof.

Gable end wall overhangs. Roof overhangs at the eaves and rakes protect the walls below from rain and sun. For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers. The length of the overhang depends primarily on the climate.

A minimum of 4 in. Flat roofs can be used to create box shapes cantilevered into daring overhangs or can be planted to create usable vegetated gardens. Low density insulating concrete roof decks are monolithic composite systems cast over galvanized metal decks structural concrete wood decks or existing roof systems. The larger the overhang the more upward lift will be created on the roof.

The siding underneath the overhang is known as the soffit. A solid slab of concrete capping the top of your house. Underlayment systems gypsum soundmat floor leveling cell crete has been california s floor system expert for over 40 years. With composite siding such as boral s truexterior siding over a ventilated rain screen and with properly executed flashing at the windows and doors the walls on the fhb house will be able to handle rain just fine.

Flat roofs come in many shapes and sizes which include parapet roofs roof decks and green roofs to name just a few of the options available. 102 mm is needed from the highest projected corner of block to the top of the beam. Roofs shall be covered with materials as set forth in sections r904 and r905. This is a compromise you will have to think about the larger the overhang the more pressure your roof will have to withstand.

Exact specifications vary but most concrete roofs are several inches thick. Class a b and c roofing required by this section to be listed shall be tested in accordance with ul. But are they really necessary.