Replace J Channel Without Removing Siding

Locate an edge of the siding.

Replace j channel without removing siding. Insert replacement windows aren t the best option in my case due to the construction of the old aluminum window frames. Each piece that is adjacent to the window should slide into the j channel but leave 1 4 inch within the j. My wife and i decided to paint our aluminum siding instead of replacing with vinyl. How to remove a j channel without harming the siding step 1.

Hook a zip tool into the locking or butt edge of the piece of siding above where the j channel is you are. Thrust a zip tool up hook first beneath the overlap where the j channel resides. However we really would like a wider trim around the windows. The courses should overlap by at least 1 in.

This will be where the j channel. Attach the siding with 10d galvanized box nails driven into the overlap at least 1 2 in. Once it s been cut to size the siding is ready to be installed. Almost all of my windows have standard j channel that doesn t protrude very far.

Replace siding by working from the bottom up you might need a helper here. When you replace the boards use a homemade reveal set jig to match the reveal of the existing siding. Gently but firmly pull the tool. It s my understanding that new construction style windows can have the nailing fins removed and installed without removing the surrounding siding and j channel.

Above the bottom edge. Locate the area where you want to remove the j channel. Figure out which pieces of siding you will need to.