Installing a Damp Proof Course to an Internal/External Wall

With most mortgage companies looking for a damp proof guarantee before lending, it is important to get this right when you are renovating a property.  Damp proofing can be a controversial subject especially in old stone houses, but in this case we are talking about an old terrace property which has had the old lime mortar hacked off due to rising damp.

In my previous video “Installing a Damp Proof Course”,  I talked about installing a Damp Proof Membrane to an interior wall.  However, when you are installing a damp proof course to an interior/external wall you now have to do some extra work as you will be required to improve the thermal efficiency of the property.  This comes under Part L of the Building Regulations which came in 2006. (Conservation of Fuel & Power).   So,  if you hack off any interior walls you will need to apply for a Building Application Notice from you local Authority, Building Control Department.

This brief video will show how I intend to carry this out.  Check back later to see the final result.

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