Should toilet flange be flush with floor?
The toilet flange needs to be on top of the finished floor. Meaning the bottom edge of the flange needs to be on the same plane as the toilet. So if your toilet sits on the tile, the flange needs to be on top of the tile too.
Can I install a toilet myself?
When to DIY If you’re an experienced DIYer with plumbing knowledge and the required tools, installing a toilet yourself may be a great option. Not only will you save money, but you’ll have the satisfaction of completing the toilet installation yourself.
Should you caulk around a toilet?

Caulk keeps your toilet secure the floor, and avoids any chance of injury or toilet malfunctioning. It’s actually required by the International Plumbing Code to caulk a toilet to the floor, and now knowing the reasoning behind it, why would you not want to?
Should I put the wax ring on the toilet or the flange?
Place the wax ring on the closet flange, not on the toilet. Pick up the toilet and set it evenly over the closet flange, making sure the bolts come through the bolt holes in the toilet base. Fine-tune the toilet position, so it’s right where you want it, then push it straight down so it smashes the wax evenly.
When should I use toilet flange spacer?
You need a flange extender when the existing flange is too low to hold the wax ring in the correct place to meet the bottom of the toilet drain.
Is it difficult to install a toilet?

Replacing and installing a new toilet isn’t as hard as it sounds. All you need are a few hours, a helper and the right tools and toilet parts for the job.
How far can a toilet flange be above the floor?
1/4 inch
The optimum flange height to aim for is 1/4 inch above the finished floor. This typically allows for almost any type of wax ring to be used and still ensure a good seal. If you recently tiled or changed the bathroom flooring, the flange height is likely less than optimal.
Can toilet flange be lower than floor?
In a typical toilet installation, the floor flange that sits inside the drain opening below the toilet should be positioned so that its bottom surface rests flush against the finished floor or no more than 1/4 inch above or below the floor.
Is it better to put wax ring on toilet or flange?
Installing a flange extender or using an extra-thick wax ring will work much better in the long run. Place the wax ring on the closet flange, not on the toilet.