Residential Concrete Roof Overhang

Exact specifications vary but most concrete roofs are several inches thick.

Residential concrete roof overhang. The larger the overhang the more upward lift will be created on the roof. Class a b and c roofing required by this section to be listed shall be tested in accordance with ul. This is a compromise you will have to think about the larger the overhang the more pressure your roof will have to withstand. 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.

Gable end wall overhangs. Overhangs are common in most house designs providing protection against both wind and rain. Low density insulating concrete roof decks are monolithic composite systems cast over galvanized metal decks structural concrete wood decks or existing roof systems. The length of the overhang depends primarily on the climate.

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. Roofs shall be covered with materials as set forth in sections r904 and r905. 102 mm is needed from the highest projected corner of block to the top of the beam. If the wind is blowing overhangs only protect the top few feet of the wall anyway.

Of course it is common in the philippines to build the overhangs larger so to keep the sun off the concrete walls. For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers. 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. A concrete roof is exactly what it sounds like.

Flat roofs can be used to create box shapes cantilevered into daring overhangs or can be planted to create usable vegetated gardens. A solid slab of concrete capping the top of your house. A minimum of 4 in. The beam is formed over uncut block in courses successively shortened to match the slope of the roof.

But are they really necessary. Roof overhangs at the eaves and rakes protect the walls below from rain and sun. Figure 7a shows a continuously reinforced cast in place concrete rake beam along the top of the gable end wall.