<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31440449</termId><termName>roof sheathing</termName><termType>PT</termType><termNote><![CDATA[ Thin boards, usually wooden, that span the trusses and support the rest of the roof. Typically oriented face-grain (strength axis) perpendicular to the roof framing, providing maximum stiffness and load capacity. ]]></termNote><termCreatedDate>2026-03-30 20:58:43</termCreatedDate><relation><relationType>UF</relationType><termId>31440450</termId><termName>roof decking</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31440451</termId><termName>sheathing, roof</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31414873</termId><termName>exterior roof components</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31459074</termId><termName>two-way sheathing</termName><termType>PT</termType></relation></term>  </Zthes>