how thick should a concrete shower pan be

It will be the same thicknes everywhere if you are installing it over a properly built pre-slope, which sounds like the case. Indeed, this corresponds to construction for wheelchair accessible showers I have recently seen in new construction. Having trouble implementing a function in the node editor where the source uses if/else logic. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. Building on top of 3/4'' plywood subfloor, http://www.mrmoneymustache.com/2012/12/21/how-to-make-a-relatively-sweet-shower-cheap/, Visual design changes to the review queues, Opt-in alpha test for a new Stacks editor, Filling up toilet bowl after flush to save water, How do I keep this old shower pan water tight. The overall thickness of the mortar depends on a variety of factors. It only takes a minute to sign up. Your finished floor (after your liner and top mud bed are installed) needs to be 1″ to 1 1/4″ thick at the drain. Is there a min tickness. If you placed the concrete base in the shower that wet, yes it would crack. Why did Scrooge accept the $10,000 deal for the Anaconda Copper Mine in Don Rosa's 1993 comic "The Raider of the Copper Hill"? The folds will be three layers thick (about 3/16), and this will push the bottom 12" of your cement boards (no nails down there!) The steps of how to build a shower pan on a concrete floor are the steps that would lead you in order to build it perfectly. There are only two schools of thought as to whether you should install a pre-slope in your shower pan. Of course, this is for the finished shower. per foot, but that is okay. No squishing, no water dripping. I myself use sand mix concrete. Why can't GCC generate an optimal operator== for a struct of two int32s? away, so I made the pitch 3/4 in. Measure the distances between the studs on your walls where you plan on building your shower pan and write them down. Is it legal to estimate my income in a way that causes me to overpay tax but file timely? We're using the Spec Mix Pre-Blended Mortar Type-S, which I believe is a Portland cement and sand mix also. Generally, you want 1/4 in. This means some areas of the pan will have a pitch greater than 1/4 in. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. In this case, the farthest point from the drain was a corner 36 in. Why do string instruments need hollow bodies? If you want to install your own shower, whether it is tiled or a shower pan, you will need a cement shower base. I would like to know how high the shower pan curb should be. The liners usually come in 4, 5 or 6-foot wide sheets and can be … Concrete and galvanized don't get along too well, let alone regular wire mesh with no rust proofing. Why would patient management systems not assert limits for certain biometric data? Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. Why won't NASA show any computer screens? First postdoc as "the big filter": myth or fact? If this flange is screwed to the subfloor a screed preslope would be 1/4 inch thick. The fins on the bottom of the shower base will embed in the mortar, creating a very rigid shower floor that won't flex when you walk on it. Do most amateur players play aggressively? Is it dangerous to use a gas range for heating? How can I prepare a wall for reasonably heavy tiles in a shower area? Many tile setters do not like going over a cement base that is thinner than 1 1/2" for fear of cracking, although there are additives of one sort or another to get it thinner, though not much. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. What's a positive phrase to say that I quoted something not word by word. How high is shower waterproofing treatment supposed to be? How to explain the gap in my resume due to cancer? If you are installing tile, the mortar bed should be 2-3 inches thick on the outer edge and slightly less at the drain. Jezero Crater Anywhere in RGB Mars Trilogy? The key to a successful installation lies in the use of a chlorinated polyethylene (CPE) or PVC membrane, tough but flexible plastics that form the pan … Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. For your curb, just make it as high as you want it. The wall behind it is a bit crooked, so, to get it nice and level, the float-cement would have to be a bit thick (>1") in some areas. Since you have a pre-slope beneath your liner (umm, you DO have a pre-slope beneath your liner, right?) No squishing, no water dripping. The role of a shower pan is to create a sloped, waterproof seal between the shower and the flooring underneath since tile, grout and mortar are not entirely waterproof. Remove tile, or not when changing from range vent to a microhood? See more ideas about shower pan, concrete shower, concrete shower pan. Apartfrom slabs that are loaded heavily for instance slabs carry several meters ofsoil, the slab thickness is selected based on deflection requirements. Since the shower floor already has a pre-slope, just apply a base mortar layer that has an even thickness throughout the shower floor area. #2 - Everything must be waterproofed up until 2 inches above drain. The top bed will be 1 1/4″ to 1 1/2″ thick – consistent throughout from the drain to the wall. Use a 2x8 or larger board placed on edge between each stud on the shower side of the wall. Bonus points There must be some sort of calculation I can do for this: yields how long it would take to overflow the shower pan. The curb will be higher before you put in the pan. Is there a maximum thickness that float-cement can have, for example before it starts cracking in ways that could damage the tiles attached to it? Making statements based on opinion; back them up with references or personal experience. The term used with this type of concrete setting is "dry pack" at least it is what the tile setters called it. The cement shower base provides a stable, solid, and water resistant barrier between the shower and your wood flooring. ANSWER. You should reinforce the mud bed with wire mesh. So mark a line 1 1/2″ from the floor all the way around the wall studs. Otherwise you can leave off the wire reinforcement. Is there an election System that allows for seats to be empty? Do you know if there are different "cements" that can be used for this job and if they come with different restrictions? Is there a way to "colorize" a line drawing? But the amount of water to be used in that situation is to be only enough to get the concrete to set up. It's not uncommon. Why did Scrooge accept the $10,000 deal for the Anaconda Copper Mine in Don Rosa's 1993 comic "The Raider of the Copper Hill"? Ply can be 30 mm or 40 mm thick. How was pH measured back in the day if you had nothing to calibrate to? Having trouble implementing a function in the node editor where the source uses if/else logic. A custom shower base, on the other hand, must be completely designed and built from scratch, including the mortar base, shower liner and tile. How should I attach glass panes for use as shower walls in place of tile? To learn more, see our tips on writing great answers. What does "if the court knows herself" mean? The shower pan base mortar layer thickness should be approximately ½ to 1 inch thick. Mortar beds are sloped for drainage, meaning the outer areas are thicker. A piece of plywood can be purchased in 1/2″ or 3/4″ thickness, and most cement backer boards will be 1/4″, 1/2″, or 5/8″ thick. I'm just trying to verify his assessment. May 8, 2018 - Explore Liam's Nana Always Infinity's board "Concrete Shower Pan" on Pinterest. rev 2021.2.18.38600, The best answers are voted up and rise to the top, Home Improvement Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. RATE. The only way that a thicker base can crack is to put too much water in the mix, when the water dissipates, the concrete will crack from shrinkage. The shower pan curb must be a minimum of 2 inches above the top of the drain. The basic method for installing natural stone is to shovel and pack in a roughly three-quarter inch thick base of material, after which the natural stones are tamped into place with a mallet or tamping machine. The mortar bed should have wire reinforcement fabric suspended within the mortar bed if it is a shower pan area larger than 65 square feet. We are currently redoing our shower and would like to use float-cement to carry the tile. How thick should a mudded preslope be at the drain? So, if I understand you correctly, we can make it as thick as we need to, if we make sure to keep it dry enough? inwards, which will cause problems with your bottom courses of tile. The concrete, a Surecrete Design Products GFRC mix, was cast with a 10-by-10 scrim in the shape of corrugated steel and sealed with pearl in the finish to suggest metal. I just made a "curbless" shower for a relative last year. site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. Pro-Tip: The mud around the drain should be at least 1″ thick to provide a strong base. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Since they need to be waterproof, most shower pan liners are made from PVC or Poly Vinyl Chloride which is nothing but a type of plastic sheet in simple language. The 6 inch figure you are finding is for the shower pan liner. The amount of water needed to get the concrete damp enough to stay in a ball when you pick up a handful and squeeze. site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. So, if we make the pre-slope 3/4″ thick at the drain it needs to be a total of 1 1/2 inch thick at all your walls. Asking for help, clarification, or responding to other answers. Why do some composers/songwriters choose inverted chords over root position chords? Mix a bag of mortar and spread it over the area where the shower base will sit. Just getting it damp enough to hold together. Frame out the shower pan using 2 by 6 inches (5.1 cm × 15.2 cm) boards. Standard slope for a shower floor is 4 percent, or 1/2 inch per every 12 inches from a wall to the drain. Bathroom renovation and design usually include a bath or shower, and walk-in showers require a shower pan. Your planned 1 1/2 to 2 inches for the final deck mud is fine, Scott. Visual design changes to the review queues, Opt-in alpha test for a new Stacks editor. The 1 1/2 is about optimal. So, my question: is there a rule? The amount of water needed to get the concrete damp enough to stay in a ball when you pick up a handful and squeeze. What type of tile should I install in a bath/shower surround? Why would an air conditioning unit specify a maximum breaker size? Using a 2′ level and the drain as a reference point, Jim sets the slope for the shower pan, and it should be 1/4″ to 1/2″ per foot. Many types of cements are available today for your shower base, choosing the … A totally custom tile shower base is rarely a DIY project, and most people, even those with a decent level of home improvement experience, should hire a professional tile contractor for this process. The liner should go up the shower walls at least 6 inches. If the shower pan is not in place, the wallboard height must be guessed, which can … Calculating $Area in project with multiple layers with different CRS in QGIS, amount of water coming out of standard shower. step 1. If we used Hubble, or the James Webb Space Telescope, how good image could we get of the Starman? Whether mud-set or fiberglass, shower pans must be waterproof and slope slightly toward the drain to prevent standing water. Is there a semantics for intuitionistic logic that is meta-theoretically "self-hosting"? To learn more, see our tips on writing great answers. Basically two things that I had to abide by: #1 - Your slope must be between 1/4 and 1/2 inch per foot. If you are using a preformed shower pan, the manufacturer of the pan should provide instructions as to how thick the mortar bed needs to be. It appear most PVC drain assemblies have a flange about 1/4 inch thick. You could add reinforcing wire to it although I have never seen it done for showers. Step 7: Set Slope. The thickness of the base mortar layer of the shower pan shall be approximately 1 inch thick. What's the meaning of the Buddhist boy's message to Neo in the movie The Matrix? Making statements based on opinion; back them up with references or personal experience. Kudrick explains that the shower pan is custom-fabricated with a drain trough outside the separating wall to drain drips from the door back into the pan. If so how high? What are natural ways to express 'contra-positively' in writing? Can anyone give me an instance of 3SAT with exactly one solution? The things that we should remember is how would the result of it and how to design and build the shower pan on my bathroom floor. Use a circular saw to cut boards that are 2 by 6 inches (5.1 cm × 15.2 cm) to size based on the measurements you took. This is common building code in the U.S. For example, if you have a 1/4 inch per foot slope, and the curb is 3 feet from the drain, the curb must raise 1 1/4 inch from the shower floor. I hid it in this riddle. Is it correct to say "My teacher yesterday was in Beijing."? The shower pan curb must be a minimum of 2 inches above the top of the drain. Thanks for contributing an answer to Home Improvement Stack Exchange! How to add several empty lines without entering insert mode? Is it legal to pay someone money if you don't know who they are? Just getting it damp enough to hold together. Asking for help, clarification, or responding to other answers. The mortar should be about 1 inch thick. A mortared shower pan allows you to custom-fit a shower enclosure. Kerdi shower pan in a shower with 2 drains. Adding just enough to get it damp solves that problem. SHARE. This is common building code in the U.S. For example, if you have a 1/4 inch per foot slope, and the curb is 3 feet from the drain, the curb must raise 1 1/4 inch from the shower floor. Why do string instruments need hollow bodies? above the top of the drain all the way around the pan. It only takes a minute to sign up. mainly because of the rust potential, I think. rev 2021.2.18.38600, The best answers are voted up and rise to the top, Home Improvement Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. How make equal cuts regardless of orientation. The concrete needs to be sloped to the drain anyway so no shower water sets. Yes, a mud pack can crack. How thick does a concrete shower pan need to be? Is there a way to "colorize" a line drawing? To have more concrete on one side or another to account for an existing condition, will not adversely affect the concrete. I have read somewhere that 2" is the minimum while a lot of examples (Lowes,HD, tile stores) have some about 6". By making a consistent mudbed for your top slope it will follow the slope for the same amount. Why do guitarists specialize on particular techniques? How to defend reducing the strength of code review? Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Stay away from the edges by a few inches to make the cleanup easier. of pitch per linear foot for the water to drain. There may be other cements, but I have always seen Portland cement and sand used for this. How to instal a shower pre slope A pre pitch or pre slope under a shower pan liner is an essential part of a successful tile shower installation. My shower is 4' X 6'5" I want the thickness around the shower drain to be an inch but around the perimeter it goes from 2" - 1-1/2" because the existing floor is not level (this is a curbless shower) I can add an additional 1/2" to 3/4" to the subfloor in the bathroom area outside the shower to allow an additional 1/2" - 3/4" of concrete shower pan if it's necessary. you already have the correct slope for drainage. Is there a maximum thickness for shower float cement? Of course, this is for the finished shower. Thanks for contributing an answer to Home Improvement Stack Exchange! A friend of ours with a background in construction was telling me that "Basically, float-cement is the same as stucco, and if you make it too thick, it will crack". Shooting them blanks (double optimization task). What does "if the court knows herself" mean? Should I be able to just peel tile off the wall by hand if it is installed right? The wallboard must be installed 1/8 inch above the shower pan. How should I fur out cement board in shower stall to match the original mortar position? Stucco is applied wet. I am not aware of any maximum thickness requirements, only minimum. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Why do guitarists specialize on particular techniques? SHARE. With this, there is no maximum, though 2"-2 1/2" is the thickest ever needed to make the base for tile. Do I have to remove the old thinset before installing new tile? Then you float a dry-packed mortar bed over the pre-sloped membrane to a thickness of at least 1.5" thick. Releated to: Building on top of 3/4'' plywood subfloor, (link for impatient: http://www.mrmoneymustache.com/2012/12/21/how-to-make-a-relatively-sweet-shower-cheap/). When choosing your subfloor material, take into consideration how the thickness will effect the overall heigh of the built up shower pan in relation to your shower curb. Why can't you just set the altimeter to field elevation? You should notch the corner studs where the folds will lay by 1/4" - that will provide the needed room. The ACI Code sets limitations on slab thicknessunless deflections are calculatedand determined to be acceptable.Otherwise, thickness of one-way slabs must be at least L/20 for simplysupported slabs; L/24 for slabs with one end continuous; L/28 for slabs with both… And manufactures recommend adding an aggregate if it's thicker than 3.5" I believe. Tile showers are quite heavy considering the weight of the tiles plus the mortar and cement board backing. The first is the belief that a pre-slope is not needed since the top layer of mortar mix will be sloped and the tile adhesive, grout, and tile will deter any significant amount of water from absorbing down to the flat water resistant barrier. The concern you have with a thicker concrete base is confusing to me.
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