Install the blocking first. Then sub floor. Then underlayment, if any, then toilet flange last. Really, we would cut half way on the joist, install 2×4 blocks horizontal between the joist under the subfloor halfway on the edge of the existing subfloor to tie the sheets together, then install the subfloor.

How do you reinforce a subfloor under a toilet?

Quote from the video:
Quote from Youtube video: Below when the subfloor is removed supporting struts will need to be installed to give the replacement floor more stability. They must be cut to fit and be mounted between the floor joists.

How do you reinforce a subfloor?

Place a ladder beneath the chalk line so that you can reach the joists easily. Place wood glue on both ends of one of the blocks and along the top edge. Climb the ladder, then place the block between two of the floor joists, with the edge of the block aligned with the chalk line running along the center of the floor.

Should toilet flange sit on subfloor?

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.

How do you support a toilet flange?

Quote from the video:
Quote from Youtube video: If not just insert the supports around your closet flange and screw it in with the sixth-floor screws and for flange screws provided. Then place the wax gasket.

How do you reinforce subfloor from below?

The best way to strengthen floor joists from underneath is to make a supporting mid-span beam or wall beneath the wobbling joists. Using jack posts or 6×6 posts and 2×10 or 2×8 beams perpendicular to the joists will solve any wobble and ensure your joists never move again.

Can a toilet fall through the floor?

Yes, a toilet can fall through the floor. It is just like anything else and will give out if the floor underneath is weak or can’t support its weight. This would apply to any fixture in the bathroom. As a result, builders will often have specific quality controls in place to make sure this doesn’t happen.

How do I add extra support to a subfloor?

Apply construction adhesive to the subfloor as you apply each piece of new plywood. Lay the new pieces perpendicular to the old ones. Fasten them with deck screws at regular intervals, not just along the joists, but between the joists. Remember, you want to create a rock-solid bond between your layers of subflooring.

How do you brace a subfloor?

Quote from the video:
Quote from Youtube video: And what you do is you screw that out and you keep screwing it out until you make contact with your subfloor with the floor joists. Once you make contact and it's good and snug.

How do I fix my bathroom subfloor?

Quote from the video:
Quote from Youtube video: There's two ways that we can repair this floor. We could patch the existing hole with plywood.

Does a toilet flange need to be supported?

The flange should be fastened to the floor. Dry fit the toilet to make sure it doesn’t rock. If it does rock, use shims to prevent rocking – just tightening the bolts probably will not stop the rocking but will risk cracking the toilet or breaking the flange.

How do you secure a toilet flange to a subfloor?

Quote from the video:
Quote from Youtube video: The tools needed for this repair are an electric drill or screwdriver used to screw the flange into the subflooring. And a wire brush used to clean the old flange of any rust. To do this repair.

How is a toilet flange secured to the floor?

Quote from the video:
Quote from Youtube video: It on the flange with a rubber lip inside the drain next seal position the bowl so that the holes in the base align with the flange bolts.

Does a toilet flange need to be secured to the floor?

Does a toilet flange need to be screwed or bolted to the floor? Yes, you have to screw or bolt the toilet flange to the floor. If you do not, you risk not securing the toilet enough to prevent rocking that may damage the wax seal, the drainage pipe, or the floor.

How is a toilet fastened to the floor?

The toilet flange, also known as a closet flange, is the part of the toilet that secures the unit to the floor and connects to the drain pipe. Usually made of PVC, rubber or metal, this piece is circular in shape and usually secured in place with a few bolts.

How high should a toilet flange sit on the floor?

Check the Flange Height

With the toilet removed, you can see the toilet flange and measure its height above the floor. 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.

Can a toilet flange be too low?

Low toilet flange is a common problem when installing a new (or in my case thicker mortar base). Unless your toilet is properly mated and sealed to the waste pipe, you may face problems related to sewer gas odor (it’s very unhealthy and unpleasant) and/or fluid leaks.

Does toilet flange go inside pipe?

This toilet flange is designed to glue on the inside of the pipe or expand inside the pipe. Leave the old toilet flange right in place and glue on the new one at the right elevation for the floor, if it’s plastic. The flange should be sitting with the bottom edge flush with the top of the floor.

Should you caulk around a toilet?

Caulk Keeps the Toilet Secure

Think again! 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?

What do you put around the base of a toilet?

Quote from the video:
Quote from Youtube video: So we're going to caulk a thin bead of the silicone caulk all the way around the toilet.

How do you seal the bottom of a toilet to the floor?

Quote from the video:
Quote from Youtube video: You don't seal the whole bottom in the caulk is not made to just hold your toilet on the caulk is actually to prevent pee. And debris from going underneath your toilet.