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Stonemasonry
Stone wall - mortar and gravel backfill query
Anonymous user 3 March 2024 - 2.58 PM
Our builders are extending an existing stone wall in a barn to allow an attic conversion. The outer wall is stone, then there is a void and then there is a breeze block inner wall. They started off using a cement mortar. We have now asked them to use lime. Now they are filling the void with what looks like gravel and we are concerned. Is this normal?
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2 Answers
Anonymous user
Did you discuss method and material prior to the work starting?
Perhaps they were trying to match the mortar in the existing wall.
Usually the cavity is filled with insulation material from the dampproof course upwards.
Is it actually gravel or an insulation material that looks like gravel.
Answered4 March 2013
0
ADR Property Maintenance
the big question is have you asked them to only use lime in the mortar they are using or have you stipulated it must be lime mortar, as their is NO CEMENT in proper lime mortar
Answered30 March 2013
0