However, the most ideal solution to seal this area is using plumber’s putty. Using plumber’s putty works best for it creates a waterproof seal when used on wet surfaces. In case you find it challenging to reach the underside area of the tub drainage pipe, then your best option will be silicone caulking.

Also Do you use plumbers putty on kitchen sink drain?

Plumber’s putty cannot be used on certain new sinks, but these will be labeled to that effect. If you can’t use plumber’s putty, use a non-water-based silicone. Excess putty will squeeze out between the new basket strainer and the sink when you tighten the locknut in place. Wipe it off with a rag or paper towel.

Subsequently, Can you use Teflon tape on tub drain? You don’t need tape for the seal (those drain to shoe threads are not where the water seal takes place in those parts) but since you are using metal drain parts teflon tape or pipe dope does greatly increase the odds that you or the next person will be able to get them apart, rather than finding them irrevocably …

How do you seal an acrylic tub drain? Make sure everything is clean and dry and put a generous bead in the indentation where the drain sits. The excess will squeeze out when the drain is installed. Wipe the excess going around the drain which will leave a nice seal around the outer edge. Be sure and let the silicone dry thoroughly before using.

How do you seal a kitchen sink drain?


Just follow these steps to put a seal around a kitchen sink.

  1. Remove old sealant. Scrape it off with a putty knife or cutting tool. …
  2. Clean the area. Avoid exposing the surface to water. …
  3. Prepare the silicone sealant. …
  4. Apply the sealant. …
  5. Smooth the sealant. …
  6. Remove excess sealant. …
  7. Wait for the sealant to dry.

Do you use thread sealant on a tub drain?

When installing a tub drain into the waste and overflow you must keep it clean. Nothing on the threads. The drain threads down into the shoe below and clamps the tub using the rubber washer between the tub and the shoe for sealing. Using tape on the threads prevents it from threading down all the way.

What thread is a bathtub drain?

One of the most confusing and annoying plumbing problems is replacing the bathtub drain (called a plug) that screws into the base (called a shoe). There are two common thread types (16 and 11 1/2 Threads Per Inch), and one uncommon one (14 TPI).

Is it OK to use plumbers putty on acrylic tub?

Most acrylic or gelcoat tubs or showers recommend to install the drain assembly according to the drain manufacturers recommendations. That is unless plumbers putty will cause damage to their unit, then you will see a warning notice with the tub documentation not to use plumbers putty.

Can you use plumber’s putty on acrylic tubs?

I just heard this… you shouldn’t use plumber’s putty on acrylic tubs or sink drains because it weakens the plastic and it will eventually cause cracks. In fact, Oatey’s putty says DO NOT USE ON PLASTIC on the warning label.

What is the best sealant for kitchen sinks?

Silicone caulk should be used with a kitchen sink because it repels moisture and is resistant to mold and mildew. Caulk is run around the edge of a kitchen sink to provide a waterproof seal between the sink and countertop, but it also has the added benefit of helping to hold the sink in place.

Can I use silicone on sink drain?

Silicone caulk can be applied to either the underside of the sink’s drain assembly or to the sink immediately around the drain hole opening. Silicone caulk can squeeze out from between the drain body and the sink, so you need to wipe it off before it becomes hardened.

How do you seal a bathtub drain?

Plumber’s putty forms a tight, waterproof seal in wet areas around bathtub plumbing. If you are unable to access the underside of the drainage pipe below the tub, you can use silicone caulk on the exposed area of the drain to help create a watertight seal.

Where does the rubber gasket go on a bathtub drain?

A thick rubber gasket completes the seal on the underside of the tub. It goes over the drain insert before threading the insert into the elbow portion of the drain line, also called the drain waste shoe or ell.

Are bathtub drains threaded?

Tools You’ll Need To Remove The Bathtub Drain

The exterior part of the flange is usually threaded. The threads are threaded into the drain’s tailpiece. When removing the flange, you’ll simply unscrew it gently from the drain’s tailpiece. You might be lucky to remove the flange using the tools you already have at home.

Are bathtub drains a standard size?

Down the Drain

According to Bonnets Stems and Accessories, Inc., a standard modern bathtub drain is 1 1/2 inches in diameter – the width straight across the middle. … Antique bathtubs, such as historic clawfoot tubs, sometimes have slightly smaller drain openings, often 1 3/8 inches in diameter.

Are bath tub drains the same size?

Bathtub drains are 1 1/2 inches wide and fit all standard bathtubs ranging from 14 to 26 inches deep. They are this size because they must fit the opening of the P-trap — also 1 1/2 inches wide — which is a special pipe that has a sharp bend in it.

Can I use silicone instead of plumbers putty on a sink drain?

A clay-like substance called plumber’s putty is the most popular choice for sealing sink drains, but you can also use silicone caulk.

Do kitchen sinks need caulking?

To protect your kitchen cabinets from water damage, the rim of your kitchen sink should always be sealed with a good bead of silicone caulk. … Be very sure to let it cure for at least twenty-four hours before using the sink, since getting the new caulking wet could compromise it.

What is difference between silicone and caulk?

Caulk vs Silicone

The difference between Caulk and Silicone is that Caulk is for big purposes like in construction projects or in house, whereas silicone is mainly used to bind surfaces like metal, glass and plastic. … The most common used type of caulk is acrylic caulk or acrylic latex for general purpose.

How do you seal a sink plug hole?

Apply a bead of silicone sealant around the opening of the plug hole to create a watertight seal inside your basin. Fit the waste into the hole, making sure any slots are pointed towards the overflow (if your waste and basin has these). Apply a second bead of silicone around the thread before adding a washer.

Do I need plumbers putty with a rubber gasket?

The rubber gasket should be sufficient to seal without putty.

How do you unscrew an old bathtub drain?

Set the drain to its open position. Unscrew the knob on the top of the drain stopper to see if there is a set-screw underneath. If your drain stopper has a set-screw, use a small screwdriver or a hex key to unscrew it. Twist the entire stopper counterclockwise until it pulls free from its mounting post.

How do I know what size tub drain I have?

Measure from the piping section where it branches out toward the drain over to the drain hole and write that horizontal distance measurement down. That will give you the length and width that is needed for your drain. Your local hardware or home improvement store should carry a bathtub drain that fits your needs.

How do I know what size my tub drain is?

Measure straight down from the center of the overflow to the point at which the drain is mounted to the tub: depending on what’s easiest to get to, you can measure from outside the tub down to its underside, or from inside the tub to the tub floor. Do not follow the curve of the tub; measure straight down.

What size is a standard bath drain?

While a bathroom sink’s design and overall size may vary from one model to the next, the drain holes are fairly standard, 1.25 inches being a general standard, with widths of 1.5 inches and 1.625 inches also common.