<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">air infiltration barriers</topic></authority><related type="broader"><topic>building materials</topic></related><variant type="other"><topic>air barriers</topic></variant><variant type="other"><topic>air infiltration barrier</topic></variant><variant type="other"><topic>barriers, air infiltration</topic></variant><variant type="other"><topic>infiltration barriers, air</topic></variant> <note xml:lang="en"><![CDATA[ Plastic sheeting, building paper, or similar materials that wrap the walls of a building beneath the outermost surface, serving to diminish the infiltration and exfiltration of air. ]]></note></mads>