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Mindy Jo 02-25-2012 06:13 AM

mortar bed for bathtub on house 3 feet off ground
We are putting in a new tub, but our house is 3 feet off the ground not ground level. We want to know how to make a proper mortar bed as lightweight as possible. Any help is appreciated.

oh'mike 02-25-2012 06:19 AM

What kind of tub?

Typically the amount of mortar needed is less than one bag---that weight will not hurt any house that is safe to live in----

More details,please

Mindy Jo 02-25-2012 06:48 AM

mortar bed
it is a fiberglass tub, it has 4 legs, and the body is about 2 inches off the ground.

oh'mike 02-25-2012 07:09 AM

Do you have a link to that brand so one of us can look at the installation instructions?

Mindy Jo 02-25-2012 07:18 AM

mortar bed
Yes sir, it is "" Bathtub #260030L

oh'mike 02-25-2012 07:26 AM

Could not bring up a site ---sorry--got a link?

Mindy Jo 02-25-2012 07:43 AM

mortar bed sorry he left out the bath part when he yelled directions to me!!

oh'mike 02-25-2012 09:15 AM

Once again--no luck---I got to the site just fine--but entering #260030L did nothing--help me here--

joecaption 02-25-2012 09:27 AM

Any I've seen just use a row of blobs not a full bed so as the tubs set the morter speads out. It does not matter that your house is over a crawl space. As MIke sayed most often it's only 1, bag.
I would lay down a layer of tar paper on that floor before applying the morter.

Mindy Jo 02-25-2012 04:06 PM

mortar bed
Hello Joe, thanks for the info.

Oh'Mike, sorry was at a fundraiser for the day. Don't know what else to tell you about the tub other than it says Gelcoat bath.

Mindy Jo 02-25-2012 04:07 PM

Hey JoeCaption, would gypsum lite work just as well or go for regular concrete?

oh'mike 02-25-2012 06:12 PM

The Gypcrete works--or masons mortar--not concrete--the gravel will not allow the tub to squish out the excess---

When placing a tub into the mortar---press it down by the edges of the tub---do not step into the tub to compress the mud---the tub may flex to much and over press the mud bed--leaving a hollow spot after you step out of the tub---

jaydevries 02-25-2012 06:37 PM

if you look under the tub is there a piece of 3/4 inch wood fiber-glassed into tub and then four feet if so that is one of the better tubs if so just put mortar under feet for leveling purpose only

Mindy Jo 02-26-2012 05:18 AM

Thanks guys, I really appreciate your help the people at the local HD just scratched their heads and looked at me like I was crazy. I am glad I found this place, you guys are knowledgeable and funny too, good combination.

oh'mike 02-26-2012 07:19 AM

Thanks---we are all good looking,too.

Glad it worked out---Mike--

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