These rafter spans are for #2 lumber, a ground snow load of 30 psf, the ceiling not attached to rafters, and a dead load of 10 psf. All other data can be found in the 2012 International Residential Code Rafter Spans. Be sure to use rafter clips on every rafter not nailed into a ceiling joist. Nail […]
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Building Codes
2012 International Residential Code PDF Download
Download a free PDF version of the entire text for the 2012 International Residential Code. Read with Acrobat or Phantom with searchable text.
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Moisture Control for the Crawl Space 2012 Building Codes
Controlling moisture in the crawl space underneath a house is important to prevent structural damage caused by rot and the development of dangerous molds. Proper planning on new home construction or careful analysis on existing homes will prove invaluable. Moisture in Crawl Spaces Moisture makes its way into crawl spaces primarily by two means. During heavy rains […]
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Pressure Treated Mudsill Constrution
The pressure treated mudsill is the beginning of the framing process. This is where the wood meets the concrete. It is usually separated by a vapor barrier and bound tightly with anchor bolts. Before the Mudsill can be Installed First things first when it comes to starting the framing process. Check the dimensions of the […]
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Means of Egress | Windows – Doors – Halls – Stairs
Means of Egress Means of egress is basically an escape route from a dwelling in the event of a fire or other catastrophe according to most building codes. These general guidelines are based in the 2012 IRC. Door Egress There should be a clear path from everywhere in the dwelling to a door without going […]
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Floor Joists Span Chart for 2012 IRC
The floor Joist span chart and building code requirements are based on data from the 2012 International Residential Code using number 2 lumber. Types of Floor Joists Joists for use in residential framing applications fall into two different categories; tree sawed and engineered. This page focuses on the tree sawed variety. Kiln dried number 2 Pine is the […]
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