01-701 Weather Blocking of Hips, Ridges and Headwalls
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Tile Roofing Industry Alliance
2150 N 107th Street, Suite 330
Seattle, Washington 98133
p 206 209 5300
TRI Alliance’s Tile Roofing Training and Certification Programs are designed to educate roofers and roofing professionals on code approved concrete and clay tile roofing installation methods. TRI offers manual certification training, free hands-on demonstrations, and educational videos.
See Training Schedule