Tag Archives: Roof

2015 Residential Code for roof drip edge flashing

The 2015 International Residential Code (R905.2.8.5) requires the use of drip edge flashings on eaves and rake edges of shingled roofs.  The flashing should extend a minimum of ¼” below the roof sheathing and 2” back onto the roof sheathing.  … Continue reading

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2015 Residential Code for Asphalt Shingle fasteners

The 2015 International Residential Code (R905.2.5) lists requirements for nails used to fasten asphalt shingles to the roof.  The nails must be galvanized steel, stainless steel, aluminum or copper.  The shank shall be a minimum of 12-gage.  The nail head … Continue reading

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Residential Code requirement for truss connection

The 2012 International Residential  Code (R802.11.1.2) requires a connection between roof trusses and the supporting wall assembly. The connection is intended to resist uplift forces as specified on the truss design drawings (802.10.1). There are several products designed to perform … Continue reading

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Residential Code requirment for attic venting

The 2012 International Residential Code (R806.1) requires the venting of enclosed attics and rafter spaces. The appropriate amount of cross ventilation (R806.2) can be achieved by the installation of openings at a rate of one square foot for every one … Continue reading

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