Re: Installing hardwood strip flooring in angled hallway
Assuming that the angled transition between the two hallways is short enough to allow, probably the easiest way will be to herring bone the ends of the boards through the corner, let the outside follow the contour of the wall, and where the ends of the boards meet, butt the end of one into the side of the other. As you come through the inside of the corner, you again allow the wall end to follow the contour of the wall, while the board ends continue to herring bone. With this method, there will be no custom cutting or joining of the ends of the boards, you will be able to fully use the interlocking T&G feature. Don't forget to leave a 1/8th - 1/4 inch gap between the end of the boards and the wall for expansion room.
Custom milling an end groove and spline will be a pain in the patootie, as will getting the correct mating angles even from board to board as you lay them together. Cutting an angle, 2" at a time and stacking the pieces together IS NOT the same as making a single cut the entire width of the hallway. The end result will likely be an uneven joint surface and joint line. I'm not saying that this can't be done or isn't done all the time, just that it can be more difficult than you think to accomplish it as a DIY project. Probably the easiest way to do this method will be to use a biscuit joiner. This will take care of the spline, but you'll still have a bugger of a time holding your angle straight and true across the width of the hallway.
I suffer from CDO ... Its like OCD, but in alphabetical order, LIKE IT SHOULD BE!!!