Start here if you’re building a roof over a patio or deck. This article discusses strategies for building over an existing slab patio or over a deck, and offers links to articles about the specific tasks such as pouring the footings, raising posts, and so forth.a. Unless otherwise required in accordance with the International Wildland-Urban Interface Code or due to the location of the building within a fire district in accordance with Appendix D.. b. Nonclassified roof coverings shall be permitted on buildings of Group R-3 and Group U occupancies, where there is a minimum fire-separation distance of 6 feet measured from the leading edge of the roof.In many areas, concrete roof construction also allows structures to bypass certain building codes and can also cut down on insurance premiums. The final price tag for a residential concrete roof runs pretty high — often two to four times as much as a traditional wooden roof would cost [source: Vanderwerf]. That isn’t to say you can’t construct.Building a porch roof requires basic carpentry and porch roof framing knowledge. We show you the steps involved and calculations required for buildng a roof for your porch or constructing one over your deck or patio. We show you how both a typical rafter style porch and truss roof area constructed.Domestic roof construction is the framing and roof covering which is found on most detached houses in cold and temperate climates.Such roofs are built with mostly timber, take a number of different shapes, and are covered with a variety of materialsArkansas Enery Code for New Building Construction 3 R-20 4 R-20 STATE ONLY CA california 2016 building energy efficiency standards 2 R-25 3 R-25 4 R-30 5 R-30 6 R-30. Non-Residential, Above roof deck. state APPLICABLE ENERGY ASHRAE ZONE MINIMUM R-VALUE STATE & LOCAL MS mississippi ashrae 90.1.As you can imagine, more people are reading The Jerusalem Post than ever before. Nevertheless, traditional business models are no longer sustainable and high-quality publications, like ours, are being.Learn more about building codes as they relate to roofs and roofing. How to find out which building code is in effect in your area. With useful links for further reading.