I actually just did the garage on June 6, 2017. I used Speedway tiles that I bought from Amazon. My garage is about 350 sq.ft and I bought 8 boxes (4 black, 4 silver) and 15 female end pieces. Here is a link to the Amazon black tiles:@romiata
Sort of off topic, but sort of not (since it's in your pics with the R)...how long have you had the Garage Deck flooring and are you happy with it? Debating putting it in my garage next spring, but not sure as it'll cost quite a bit more than putting down a high quality, high solids content epoxy.
Speedway Garage Tile 789453B-50 Diamond Garage Floor 6 LOCK Diamond Tile 50 Pack, Black https://www.amazon.com/dp/B01DMRYYZO/ref=cm_sw_r_cp_apip_xBjFMHSpK94VR
And the silver:
Speedway Garage Tile 789453S-50 Diamond Garage Floor 6 LOCK Diamond Tile 50 Pack, Silver https://www.amazon.com/dp/B01DMRYXIC/ref=cm_sw_r_cp_apip_rTjdJ6PVFz7Ky
And the female end pieces:
Speedway Garage Tile F789453B Garage Floor Female Ramp Edges with Loops, Black https://www.amazon.com/dp/B00Y0ZQP9Q/ref=cm_sw_r_cp_apip_FSZBqstvQmfGS
They are very easy to install: I started in the front corner of the garage (left facing toward it) and then used my foot to "click" them together. It took about 2.5 hours to do the entire garage. Cutting the tiles took another 2 hours or so..
Here are pics of the garage, before and after:
Good luck and let me know if you need anything