Standard Roof Overhang Northern Michigan

R value is a measure of insulation s ability to resist heat traveling through it.

Standard roof overhang northern michigan.

Roof covering type standard application rate thickness. Eave overhangs shall not exceed 24 inches 610 mm measured horizontally. Astm a240 300 series alloys. 12 oz sq ft for preformed.

In order to stay intact and in place a roof must be able to resist loads both permanent and temporary that are pushing. Figure 1608 2 for any location in the state of michigan. 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. Overhangs are common in most house designs providing protection against both wind and rain.

Roofs are under a lot of pressure. Astm b370 minimum 16 oz sq ft and 12 oz sq ft high yield copper for metal sheet roof covering systems. Astm a653 g90 zinc coated. The construction of a roof overhang is one important way that homeowners can protect the exterior of their home and preserve its value.

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 overhangs are the amount that the roof hangs over the top of the siding in residential home construction. In designing the overhanging part of a. They can also include certain architectural features that make overhangs more than just functional parts of the home.

Insulation level are specified by r value. Load limits on the roof of a building. 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. Recommended home insulation r values.

You can click on the map below to find the design ground snow load for that location. 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. The length of the overhang depends primarily on the climate.

Use our michigan ground snow loads map to easily determine the ground snow load 2009 michigan building code.