F foxy Registered User Messages 21 9 Jun 2006 #1 How can you tell if a house (c 1960 semi-d) has cavity walls and if it has whether it already has cavity wall insulation or not?
How can you tell if a house (c 1960 semi-d) has cavity walls and if it has whether it already has cavity wall insulation or not?
O owenm Guest 9 Jun 2006 #2 drill a hole... check if a gas meter box has been fitted, from the inside of this you migth be able to see the cavity.
drill a hole... check if a gas meter box has been fitted, from the inside of this you migth be able to see the cavity.