Polycarbonate base and cap this system consists of 2 parts a base and a cap.
How to replace exterior walls with greenhouse panel.
After cutting the panels into their proper length you should install the aluminum f trim to the edge of the roof timbers.
Fixing the panel of the roof.
This panel will be the second row s.
Polycarbonate panels should be installed with the label side facing out making the panel corrugations on each side facing down toward the greenhouse floor.
Do this by sliding the first panel of the roof into the channel of the f trim.
The base is screwed down to the framing.
The foam strips or caps on the joints.
It s important that you remove every screw and rivet otherwise you won t get the pieces to move.
Install a panel above a panel that is in the base row of panels pressing the panel against the greenhouse so that it overlaps the lower panel by 4 inches.
That s a good part of what is supporting your roof.
Don t remove the corner post s or the wall channel if one is involved.
Cut the panel you made exactly like the one you are replacing and install everything in the reverse order.
Seal it using silicone caulking.