if there is some depth to the joints, use a sawzall with a plaster board blade. Or a razor knife. The teeth on the saws all blade will wear off, the smooth edge on the other side works to.
Caulk the joint with a matching color as your epoxy. I used a self leveling Sakrete product on my garage floor. Self leveling can not be used on sloping floors. Caulk keeps ants out. Gungrade caulk works best if one can not seal the joint from leaking out the pourable sealant.
Steele and Lober Garages did mine in North suburb. No problem with what I wanted. 18' door 8' high. They handled the permits. Not cheap either. Called Danley and they kept asking me why I wanted the larger door and thicker concrete. No one would come out and give me written proposal. Danley kept...
I put up a Menards door at my sisters house two years ago. It started making tons of noise when in operation. She had a garage door company come out for a tune up. They replaced the rollers on the door with a better design and now the door works smoother and quieter.
I wore my auto darkening glasses one day and I couldn't see a thing once the arc started. Had the wrong glasses on! I had a helmet from N. Tools could not see well got peod one day went to Lowes and bought there helmet. I could see!
Saw an ad last nite on Velocity for a Autostaker lift from Bendpak. It's a scissors type with the scissors on the upper car deck. Nice idea. For car storage, their web site shows removable panels for working on your car.
I am a retired restoration tuckpointer from the Chicago area. I simple test of the condition of brickwork is to tap it with a hammer, if you get a dull thud the mortar is dead. If you get a solid ring sound the mortar is still good. You can also feel the vibration with your hand as you tap it...