You will need to use PVC pipe cement to cement the pieces together. Door comes out heavy, but sturdy. Tension rod needs to be very tight pushing "out". I mounted a 1 1/4" diameter PVC pipe about 9" long horizontally on top of the gate by drilling 2 holes in the bottom and drilling holes in the corresponding T-fittings. I dropped a small bolt through the horizontal pipe and inserted the threaded end through the drilled holes in the T-fittings. I screwed a nut on the bolt with needle nose pliers. THEN I inserted the vertical pipe into the T-fittings. I used 1/2" PVC pipe to make the handle of the straddle-piece at the bottom of the drawing, and it fit within the above-described sleeve. I drilled a hole in both the sleeve and the 1/2" pipe when the 1/2" pipe was in place straddling the wall. I found that I did not need the lengths of pipe on the straddling piece, just the central T-fitting and the two 90 degree fittings. So I slide the straddling piece over the wall and then drop an eye bolt through both the sleeve and the handle on the straddling piece and the gate is locked, without having to make holes in the wall.