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			<title>Green Building Forum - Help dug below the (mud) footings</title>
			<lastBuildDate>Wed, 16 Sep 2026 16:28:55 +0100</lastBuildDate>
			<link>https://www.greenbuildingforum.co.uk/newforum/</link>
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		<title>Help dug below the (mud) footings</title>
		<link>https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=295&amp;Focus=3278#Comment_3278</link>
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		<pubDate>Thu, 17 May 2007 12:39:40 +0100</pubDate>
		<author>steve mac</author>
		<description>
			<![CDATA[I am currently renovating a 1847 French stone farm house.At Easter I dug out the internal floor (2.5 m X2.5 m) to asingle story out house attatched to the main house.My intention is to lay a slab, dpc, metal the floor, insulate and lay a 70 mm concrete floor. However, The stone walls are laid directly on mud ( no suprise there) which I have obviously exposed by 25 cm.<br />My question is do I continue with my plans or do I gently ( 1 metre at a time) remove the mud footings by half the thickness of the 600 mm wall and back fill with concreate .<br />All advise and comments will be greatly received.<br /><br />Steve Mac.]]>
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		<title>Help dug below the (mud) footings</title>
		<link>https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=295&amp;Focus=3280#Comment_3280</link>
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		<pubDate>Thu, 17 May 2007 14:20:11 +0100</pubDate>
		<author>biffvernon</author>
		<description>
			<![CDATA[All that concrete. Sounds awful.  What was wrong with the way they did it in 1847?]]>
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		<title>Help dug below the (mud) footings</title>
		<link>https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=295&amp;Focus=3283#Comment_3283</link>
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		<pubDate>Thu, 17 May 2007 15:01:27 +0100</pubDate>
		<author>tony</author>
		<description>
			<![CDATA[Get the structural floor in fast.]]>
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		<title>Help dug below the (mud) footings</title>
		<link>https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=295&amp;Focus=3287#Comment_3287</link>
		<guid isPermaLink="false">https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=295&amp;Focus=3287#Comment_3287</guid>
		<pubDate>Thu, 17 May 2007 17:39:11 +0100</pubDate>
		<author>steve mac</author>
		<description>
			<![CDATA[hi biff,<br />well it was mud glorious mud.. polished in the living room..rumour has it . seriously... the building is damp and I am unable to store anything in it.I have located the hot water tank there so need to keep it warm and dry. Sorry if my inquiry is not very eco friendly but I am up for other ideas.. Steve Mac.]]>
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		<title>Help dug below the (mud) footings</title>
		<link>https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=295&amp;Focus=3290#Comment_3290</link>
		<guid isPermaLink="false">https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=295&amp;Focus=3290#Comment_3290</guid>
		<pubDate>Thu, 17 May 2007 22:05:33 +0100</pubDate>
		<author>funcrusher</author>
		<description>
			<![CDATA[You do not state how far the mud will below/above finished floor level. There are two threats: rising damp in the walls and instability stemming from your excavations. Putting in a concrete floor incorporating a DPC will very probably exacerbate damp walls as damp can no longer evaporate from the floor surface so the water table will rise.<br />Stability will probably be unaffected providing the mud is below finished floor height, has not been disturbed, and the concrete floor is laid without delay.<br />However, unless you are confident there is no danger of rising damp, then you probably need a DPC in the wall, so may have to excavate and under-pin anyway, incorporating a DPC.]]>
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		<title>Help dug below the (mud) footings</title>
		<link>https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=295&amp;Focus=3293#Comment_3293</link>
		<guid isPermaLink="false">https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=295&amp;Focus=3293#Comment_3293</guid>
		<pubDate>Fri, 18 May 2007 07:04:27 +0100</pubDate>
		<author>biffvernon</author>
		<description>
			<![CDATA[Tony's right to urge speed - you don't want to be undermining your walls.  But all that concrete is not so green.  Look at the limecrete thread.]]>
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