Deck Mud Calculator [Archive] - Ceramic Tile Advice Forums - John Bridge Ceramic Tile


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04-14-2015, 12:55 PM
What am I missing? The deck mud calculator says it no longer exists when you click on the link.


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04-14-2015, 01:10 PM
I couldn't find it either. Thanks for alerting us!

It mighta been lost in the recent server/disk crash... but who knows? I'll pass it on. :tup1:

04-14-2015, 01:11 PM
There was a heckuva lot of cleanup done in the liberry recently by moderator extraordinaire Jim, it might have been lost in there.

04-14-2015, 01:27 PM
I'll have to dig into that later. Thanks for the note.

04-14-2015, 01:32 PM
Does anyone do calculations without it? I'm about to start my preslope on a 41" x 31" shower with 1-1/4" at drain (kerdi) and 1-3/4" at wall. I remember that it said 92lbs of sand/ topping mix but did not pay attention to the amount of sand! I know it was under a bag(55lbs).

04-14-2015, 01:39 PM

You'll need to modify your numbers a bit to make it work, as their calculator is designed for uniform thickness slabs. For your shower, use 1-1/2" thick x L x W.

Using the concrete calc for a 6" slab @ 9 sqft, you get 10bags @ 60# or 8 @ 80#. Dividing by 4 for 1-1/2" thick, you get 2.5 bags @ 60# or 2 @ 80#. We just use sand topping mix.

04-14-2015, 01:40 PM
Ok, it turns out that was an easy fix. It should be working now. :)

04-14-2015, 01:42 PM
Clay, it's a standard 5:1 mixture of sand to portland, so if it's 92 pounds total, you would use about 76 pound of sand and the rest portland.

Frankly, I never go by the weight. I typically mix in a bucket with two shovels of portland and a 50 lb. bag of sand. If I was shoveling all of it, I'd just do five shovels of sand to one shovel of portland. It's not an exact science, you just have to get it close.

Tiger Mountain Tile Inc
04-14-2015, 07:49 PM
It is working now ( Thanks for the head's up!