Too much cement and the mortar tends to clump as you mix it. Everything was done over a “mud bed.” The process had been perfected and was well understood by the professions of the forties, fifties and early sixties. This was a repair on a 60 year old mortar bed and I did follow your directions about using thin set under the new mud. Although you may have been led to believe that creating a shower floor from scratch is a very difficult thing to do, it is not. You want the mud packed very well with no voids. There are pre-mixed mortar products that contain only sand and portland, and these can be used to make deck mud. I had my first attempt at pre sloping my shower pan (layer underneath liner). (Note for tiling: Tiling should begin within approximately 16 hours of the mortar bed installation. The easiest and most convenient way to get your mixture correct is to buy the quikrete “sand and topping” mix which is sold at all the big home centers. Take longer than that and you’re pushing your luck. As a side note: the reason you add so much sand is to achieve ‘flexibility’, although not in the manner it’s normally used. Deck Mud Mortar Size: 75 lbs. Building your own shower floor from scratch requires shower deck mud, also referred to as dry pack mortar. Deck mud contains three ingredients: regular portland cement, sand, and water. Proportioned in accordance with ANSI A-4.1a.2.2.1. sand to each 60 lb. I think 5:1 can be considered the median of the industry. The only issue I have noticed is that the mixture shrank slightly around the drain. A better way than what? A couple of companies also make a mix specifically for shower floors and mud beds. It is advantageous in some applications. Thanks for confirming this will work or a better idea. A thin-set tile installation is one in which the tiles are adhered to a substrate with a 3/16" thick layer of mortar. Deck mud contains three ingredients: regular portland cement, sand, and water. I think it’s ideal. Thank you that’s what I thought but I wanted to be sure since the last 2 times this shower pan was done by professionals it leaked alot!!. Thanks, Roger. Is this the wrong stuff? Masonry sand is best, but any sand sold next to the concrete will work just fine. Thanks. Besides the extra cost and possible superstition of adding the latex, are there any known downsides to workability or durability? Oh, I did not know you weren’t tiling the rest of the bathroom. Can I use deck mud to level most of my basement floor and feather this to the high point on the floor with a medium bed LFT mortar? Depending on temperature, humidity and wind conditions, you’ll have from 30 to 45 minutes to get the mud placed and shaped. Water is what causes concrete and concrete products to shrink when curing. However, it’s not absolutely required for a preslope. This product is available in my area and I am wondering if it requires additional sand to achieve the desired 5:1 sand to cement ratio? No. All banding and ledgers rest and are tied to the brick (poured wall) with large carriage bolts 24″. The easiest, quickest, most accurate way to float shower pans. What is Deck Mud and Fat Mud? Flattens and levels an existing substrate. I’m open to making the mix a different way without using that sand topping mix. Use Current Location. Whether you mix the entire batch from scratch or use the sand and topping mix it should all have this same consistency. Sorry for the long comment, I’m just stoked it’s done. Mix your mud as described here. After it’s mixed it should just be damp. Notify me of follow-up comments by email. Great tips! Don’t let anyone tell you that a latex additive or anything else is necessary. Click here to get an instruction manual for your waterproofing installation. David. I floated a shower pan the other day with bagged deck mud which didn’t seem to pack as well as usual. Ceramic Tile - Thin-set vs Mud-set Ceramic tile is a fired clay tile that can be used on floors, walls, and counter tops. The mixture should be approximately 1 part cement to 5 parts sand but anywhere for 4 to 6 parts sand to 1 part cement is acceptable. The mortar at left is made from 80 lbs. Adding latex in this instance is simply a waste of time and money. Tile Coach Episode 16 - YouTube If I’m understanding correctly there is a small gap between the drain flange and the deck mud? I could send a picture of the presloped floor and ramp. Portland cement was also the adhesive used to hold the tiles in place. Why not use treated plates on the slab? bag you need only add 30lbs. I ramped the first prestige of wet mud to the height of the slab. Your thoughts? When mixed to a dry consistency, TEC® Floor Mud allows maximum compaction during tamping. Dry Pack Mortar can serve for the following purposes. If it leaked it wasn’t done by ‘professionals’, regardless of what they called themselves. They make a preformed curb that is 5 ft long. So, this requires me to grind the end of the ramp the height of the tile and thinset. This dry mix is used with water to make semi-dry conventional floor mortar beds. Roger, thank you for the response. Because of the amount of sand, the mud bed can shift to a point without transferring that movement up through the tile and grout. Thin-Set Ceramic Tile. Any tips you can give me? Again, Mahalo. Using the quickrete sand and toping mix method with the added sand that you mentioned. Dry pack mortar, which is also called deck mud or floor mud, is a mixture of sand, cement, and water. I would use treated plates on the slab for the walls. MAPEI 4-to-1 Mud Bed Mix 55-lb Indoor/Outdoor Floor Patch. We are staining the slab and no tile on the slab. For a 60lb. Robert. It is also called floor mud or deck mud. Professional Tile Installation Contractor Fort Collins and all of Northern Colorado. Thank you again. When I threw it down and started packing I noticed that I had quite a bit of pebbles in my mix. Secondly, if you're able to lift the floor that much, the next hurdle you'd have to get by would be the moisture factor. Repairing small cracks; Narrow slots which are deeper than its width; Filling drill holes. Deck Mud is a leveling mortar designed for interior or exterior underlayment, for all types of paver, tile, and marble installations on floors and counter tops. Water was added in small amounts until the mortar was dampened completely. Walls are different, there is only one side with tile against it, it can expand in at least two other directions. The manufacturer of admixes are the only ones who recommend it. Click Above to have professional TileTips sent directly to your inbox. the mortar crumbles. Advice and installation help at the John Bridge Tile Forums. The mortar is packed in with a wood float or flat steel trowel and rubbed or scraped off until the dish shape of the shower floor is attained. OVERVIEW . Unfortunately the patch job crumbled as well. Very little water is used, which creates a thick mixture and causes minimal shrinkage after application. of sand to it. Thanks Roger, it worked great!!! My pan is a little smoother than you described. Tile DIY Forum, Tile Professionals, Tile How-to's, Tile Advice, How to Tile a Shower Floor Using Pebble Tiles, Sealing Granite — How to Seal Countertops and Showers, How to Install a Shower Pan Liner — Tile and Marble Showers, 3rd Somewhat Annual John Bridge Forums/Schluter Systems Training Event, Technical Specifications and Standards for the Installation of Ceramic and Stone Tiles. I’m assuming you didn’t change it? Roger, your book is great. Thanks. I pondered this problem for awhile then decided to just build my mud deck just a tad over 1″ thick at the drain. To begin with, I’ll describe deck mud, which is also called dry pack mortar or floor mud. d) Have a respirator/filter of some sort for mixing the dry stuff together. If it is any wetter it will shrink as it dries and it will not be as solid and stable as it should be. The amount of water used in making deck mud will depend on the water content of the sand you use. Just mixed up the deck mud and made a shower floor – never would have gotten up the nerve to try it without your instructions. Hey Roger. I purchased quikrete sand topping mix. CA Prop 65 PDF. Is this possible? that side faces west. Regular deck mud without admix works just fine. I raised the drain after troweling to get to the height of the tile, or just below tile height. Something of a pain to mix, so I bet I would have been better off doing one bag at a time. It is not. You can spray the entire pan with water (from a spray bottle, don’t blast it with a fire hose) and cover it with plastic for a day. You want 5 parts sand to 1 part cement. Too much water will cause your mud to shrink as it cures and compromise the stability of your base. My son told me all the cool kids are doin’ it! At least that's the calcuation for 'floor mud.' The basic answer is that you want your finished shower floor (before tile) height to be flush with the slab outside the shower – then all the tile is installed to the same height substrate. You can use a shovel, but a masonry hoe (above) works much better. Laticrete also sells great drain/flange pieces that are just over $100. First, deck mud, at its THINNEST, should be no less than 1 1/4" thick, and I personally wouldn't stretch that to any less than an inch. Sand and cement mortar mix 4 to 1 is a preblended mixture of finely graded sand and Portland cement used for thick-bed mortar installations. What Is Dry Pack Mortar? Or, do I need brick on all four sides? Roger, my first try at preslopes on the showers went perfectly thanks to your book. While I’ve heard people say that ordinary 5:1 deck mud can develop compressive strength of 3000 lbs per inch, and will make a shower pan that will last for years, my understanding is latex helps resist the mud breaking down due to flexing and holds it together better. If that’s not correct let me know what you have going on there. I usually start with about 1/2 gallon of water and work up from there. Weight (lbs.) for your help. Tukwila's everyday low price! Included in this article are thumbnail photos, and if you click them you’ll be taken to the full-size versions. Professional Flooring Supply Tec Floor Mud 50 Lb Bag Custom Building Products Jamo Floor Mud 50 Lb Pre Blended Floor Mud Tec READ Most Suitable Flooring For Bathrooms. Once the mortar is in place allow it set overnight. It came out pretty good and has the proper slope but I’m just not sure it’s okay. A tip o’ the hat. You can mix concrete for shower floors yourself by combining specific amounts of sand and Portland cement, or you can purchase a ready … Deck mud, also known as floor mud or dry pack mortar, is a simple mixture of sand, Portland cement and water. The mortar is mixed. That’s pretty much how shower floors are formed. To recap, deck mud is the mortar to use when building shower floors. I don’t think I can go like 1 1/2 or 2 inches with the mud bed because of the stair and surrounding rooms. Dry pack mortar is nothing but a stiff mortar that consists of three ingredients such as cement, sand, and water. Really. The harder you pack it the more stable it will be. If it is over you would be better off using a self-leveling cement (slc). The pan is made by Sterling and has little feet underneath like most pans. SAKRETE 50 lbs. Well, this video will answer all of your questions. It is for all types of paver, tile and marble installations on floors and counter tops. Series Name.
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