How do you fill gap between drywall and tub surround?


Quote from Youtube video: Everything needs something to bond to mix up some 20-minute speed set joint compound. And press it into the gap keeping it flush with the drywall.

Should you caulk between tub and surround?





As with any other gap near your bathtub, you’ll want to close the opening to prevent any possible water damage or the onset of mold and mildew. Since you are joining two different materials together, you should use caulk in the space where the floor tile and tub meet.

How do you caulk a shower to drywall?

Quote from the video:
Quote from Youtube video: So you're going to need the caulk. And then really all you need is just a stapler. And this stapler is just going to be you're just going to put staples along here into the drywall.

Where do you caulk around a bathtub?

Quote from the video:
Quote from Youtube video: It just above that joint. Area. So that when you go to fill this in with the caulking. And you remove the caulk you get a real straight line okay with the taping.

How do you seal a large gap between a wall and a bath?

Quote from the video:
Quote from Youtube video: And cut a very small angle about an eighth of an inch off the top. You're going to cut it at about a 45 degree angle. Now taking your caulking gun go ahead and load up your caulk.

How do you drywall around a bathtub?





Quote from the video:
Quote from Youtube video: So I'm going to go from half-inch drywall here. And then as the tub flange can flares out away from the wall. I'm going to change it down to a quarter inch piece of sheetrock. I've inserted these

How do you fill a gap between a bath and a wall?

If you have tile on the wall adjoining the tub, select a caulk that matches the color of the grout. If your gap is smaller than 1/8 inch in width, use regular caulk; fill gaps larger than 1/8 inch with a sanded caulk. Make sure the gap is clean and dry, then squeeze a thin, even bead of caulk into the space.

How do you seal a bathtub to the wall?

Quote from the video:
Quote from Youtube video: Press firmly on the sides of the tub surround. Moving towards the plastic corners. The central part of the tub surround must overlap the wing of the plastic corner on each side repeat.

Should I grout or caulk shower corners?

It’s essential to use caulk, not grout, in shower corners. Grout does not hold up well in corners and is prone to cracking and falling out. This is because the tiles on the two perpendicular walls expand and contract with temperature changes.

How big of a gap is too big to caulk?



A single bead of caulk can fill gaps up to 1/4 inch. If the gap is slightly larger than this, fill it with a bead of caulk deeper into the gap, but not flush with the surface. Wait until the caulk is completely cured before coming back to put a surface bead on.

What to do with the space at the end of the bath?

Start simple if you want to find a way to use the space at the end of your tub. Generally, people use this added space to hold bath/shower products, like soap, shampoo, conditioner, lotions, and oils. Additionally, you can use the section at the end of your bathtub to place candles or incense on.

Can I use expanding foam around Bath?

Yes, expanding spray foam can be used under a bathtub. It can reduce coldness and flex in an existing install, but an improper application can result in additional problems. It’s important to understand that the tried-and-true best practice for preventing flex in a newly installed bathtub is with a mortar slab.

Where should you not use expanding foam?



When NOT to Use Spray Foam Insulation

  • For areas that are too close to electrical boxes:
  • For areas too close to ceiling light boxes:
  • Open-cell spray foam on your roof:
  • For closed-cavity spaces:
  • If you have a history of skin, respiratory, or asthma problems:


Should you insulate around a bathtub?

When the time comes to switch out an old bathtub, insulate underneath the new one to boost its heat-retaining properties. While bathtub materials vary in how well they keep bathwater warm, it’s easy and inexpensive to increase any bathtub’s heat-retaining properties with insulation.

Do all bathtubs need a mortar bed?

Whether you are installing a regular acrylic bathtub that doubles as a shower unit or a larger two-person Jacuzzi, most bathtubs require a mortar base for the tub to rest on.

What type of mortar do you use under a bathtub?



Ready-mix concrete is preferred by professionals, and it’s affordable and easy to use. Mix per instructions and apply in a layer about 1 inch higher than the feet on the tub, so the tub snugs down into the mortar and squishes the excess out.

How many bags of mortar do you need for a bathtub?

Usually you need one 55 lb of mortar for one tub. But as you’ll see in our video we had to use two bags, but it’s not like the Mud Bed Mix is breaking the bank. Mix the mortar so that it can support the tub. It should not be runny but rather stand up on it’s own.