Standard Roof Overhang Northern Michigan

In order to stay intact and in place a roof must be able to resist loads both permanent and temporary that are pushing.

Standard roof overhang northern michigan.

Roofs are under a lot of pressure. The siding underneath the overhang is known as the soffit. Roof overhangs are the amount that the roof hangs over the top of the siding in residential home construction. They can also include certain architectural features that make overhangs more than just functional parts of the home.

The length of the overhang depends primarily on the climate. Roof slope multipliers for roof components of sloping roofs multiply by the figures given below to obtain the cost per square foot of horizontal projection. Astm b370 minimum 16 oz sq ft and 12 oz sq ft high yield copper for metal sheet roof covering systems. Load limits on the roof of a building.

Although there is no single standard roof pitch used on all sloped roofs factors such as roofing materials and local climate help to determine the appropriate range of pitches for a given building. R value is a measure of insulation s ability to resist heat traveling through it. The construction of a roof overhang is one important way that homeowners can protect the exterior of their home and preserve its value. Figure 1608 2 for any location in the state of michigan.

Overhangs are common in most house designs providing protection against both wind and rain. Use our michigan ground snow loads map to easily determine the ground snow load 2009 michigan building code. Eave overhangs shall not exceed 24 inches 610 mm measured horizontally. Roof covering type standard application rate thickness.

12 oz sq ft for preformed. In designing the overhanging part of a. Recommended home insulation r values. Weather and not properly protected by a roof eave or similar covering table r802 11 required strength of truss or rafter connections to resist wind uplift forcesa b c e f pounds per connection r804 3 2 1 1 eave overhang.

Astm a240 300 series alloys. Astm a653 g90 zinc coated. Rise multiplier rise multiplier 1 to 12 1 01 6 to 12 1 12 2 to 12 1 01 8 to 12 1 20 3 to 12 1 03 12 to 12 1 42 4 to 12 1 06 15 to 12 1 60 5 to 12 1 08 18 to 12 1 80. Insulation level are specified by r value.

Figure r804 3 2 1 2 gable endwall overhang.