Standard Roof Overhang Northern Michigan

The length of the overhang depends primarily on the climate.

Standard roof overhang northern michigan.

12 oz sq ft for preformed. 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. R value is a measure of insulation s ability to resist heat traveling through it. Load limits on the roof of a building.

The state has amended the snow load requirements of the 2009 ibc figure 1608 2 and the 2009 irc figure r301 2 5 table r301 2 1 and table. 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. 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.

They can also include certain architectural features that make overhangs more than just functional parts of the home. Roof overhangs are the amount that the roof hangs over the top of the siding in residential home construction. Roofs are under a lot of pressure. Astm a240 300 series alloys.

Recommended home insulation r values. Figure 1608 2 for any location in the state of michigan. Use our michigan ground snow loads map to easily determine the ground snow load 2009 michigan building code. Astm a653 g90 zinc coated.

Eave overhangs shall not exceed 24 inches 610 mm measured horizontally. Insulation level are specified by r value. In order to stay intact and in place a roof must be able to resist loads both permanent and temporary that are pushing. You can click on the map below to find the design ground snow load for that location.

In designing the overhanging part of a. Overhangs are common in most house designs providing protection against both wind and rain. The siding underneath the overhang is known as the soffit. 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.

Roof pitch is a measurement of a roof s slope expressed as a ratio.