I got told today that when you lay under ground drainage/soil pipe that you have to put lintels over every joint? which means footings and a wall to support the lintel?
Is this correct?
Ta
AW
I got told today that when you lay under ground drainage/soil pipe that you have to put lintels over every joint? which means footings and a wall to support the lintel?
Is this correct?
Ta
AW