for a small single storey house extension.
walls are 4" brick and 4" block with insulation in between.
if trenches are 450 or 600mm wide and 900 deep, how much concrete would you tip in the bottom (it will have steel in it)?
when you fit the soil pipe through the wall from the toilet position, does it usually go through the concrete or through the blockwork below the DPC?
is FFL inside usually above or below DPC or same as?
thanks
walls are 4" brick and 4" block with insulation in between.
if trenches are 450 or 600mm wide and 900 deep, how much concrete would you tip in the bottom (it will have steel in it)?
when you fit the soil pipe through the wall from the toilet position, does it usually go through the concrete or through the blockwork below the DPC?
is FFL inside usually above or below DPC or same as?
thanks