<?xml version="1.0" encoding="utf-8" ?>
<Roofs>

	<RoofDef>
		<EType>Roof</EType>
		<DefName>RoofConstructed</DefName>
		<Label>Constructed roof</Label>
		<isThickRoof>false</isThickRoof>
		<filthLeavings>
			<li>
				<thingDef>SlagRubble</thingDef>
				<count>4</count>
			</li>
		</filthLeavings>
	</RoofDef>


	<RoofDef>
		<EType>Roof</EType>
		<DefName>RoofRockThin</DefName>
		<Label>Rock roof (thin)</Label>
    <isThickRoof>false</isThickRoof>
		<collapseLeavingThingDef>ChunkRock</collapseLeavingThingDef>
		<filthLeavings>
			<li>
				<thingDef>RockRubble</thingDef>
				<count>2</count>
			</li>
		</filthLeavings>
	</RoofDef>


	<RoofDef>
		<EType>Roof</EType>
		<DefName>RoofRockThick</DefName>
		<Label>Overhead mountain</Label>
    <isThickRoof>true</isThickRoof>
		<collapseLeavingThingDef>CollapsedRocks</collapseLeavingThingDef>
		<filthLeavings>
			<li>
				<thingDef>RockRubble</thingDef>
				<count>2</count>
			</li>
		</filthLeavings>
	
</RoofDef>
	
</Roofs>