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Retrofitting in Insulated Walls
Author: Grayson Evans
Guys relatively new to retrofit, and even some seasoned pro's seem to have a real fear of insulated walls. Fear not!

Drilling up or down, or fishing cable in insulated walls is an inconvenience but nothing more. Sure, there are certain techniques you can't use through insulation like dropping a ball chain (actually, you can use a ball-chain, read on) but there are always workarounds.

Measure how much you need to feed the rod up/down the wall so that the chain will be located to the left or right of the opening you made in the sheetrock. Feed the rod down the corner. Now you can use a magnetic retriever tool going in sideways from the hole to where the chain will be located.

Read the complete article in the latest issue of our eMagazine at