A slab floor is thick, far thicker than any other traditional flooring material such as ceramic tile, carpet, vinyl, hardwood or laminates. The small scale plant I work for is booking projects 8months away. We reverted to just setting down the entire units and dealing with the additional dead weight because precast guys were to inflexible. Login. And when it comes to functional prototypes, 3D printing is rewriting the rules of what’s possible. She attended Tarrant County College and studied English composition. Sheet metal forming is the most cost-effective forming procedure today for manufacturing parts at large quantities. Check the bubble in the horizontal tube in the level to ensure it floats between the two vertical lines. Quarry Tile Floor without Drain 50 mm (2 in.) She writes mainly home improvement, health and travel articles for various online publications. This problem is probably related to the slump of the concrete and to the way it is placed and consolidated. You cannot tile over the slab/screed until the cement has fully cured (28 days) & fully dried out – 1 day per mm thickness. Slim Slab is stocked in all sizes and colors listed below. Measure any gap that appears between the floor and the level. Dividers at approximately 5'-0" on center are still required to help offset any … Thinset mortar is a blend of cement, very finely graded sand, and a water retention compound that allows the cement to properly hydrate. For unglazed ceramic tile in toilet rooms at concrete slab on grade. Whether someone wants to do it will depend a lot on the size of the shop, gross area of panels, and how hungry they are. For a slab as finished floor (stained, perhaps?) I'd think ANY flooring system would have difficulty handling what in essence is an unframed 12' x ~50' opening, it seems unfair to blame the double tees, heh. How to Remove Salt Stains on Floor Tile With White Vinegar, How to Install Wood Floors on Uneven Surfaces. DEPRESSED SLAB AREAS: Minimum recommended depressions: a. How to Level Basement Floor. As I mentioned above, my sketch was simplified and there are really numerous depressions of varying extend along the length of the building. you'll still need to be creative at the door opening. She has several years of experience in the home-improvement industry, focusing on gardening, and a background in group exercise instruction. For unglazed ceramic tile in toilet rooms over waterproof membrane at new elevated concrete slabs. Larger gaps require pouring a self-leveling mortar in the depression to level the flooring surface. Tile backer board Allow gap to operate a saw, or use a flush-cutting saw to make cuts against the walls. Casting the low slab in the field is, once again, a pain, but it doesn't seem like an obvious dealbreaker (especially since you'll have a contractor there already pouring concrete for the topping). KootK, what about this for an option? Commercial entrance mats are a highly-effective tool to trap dirt, moisture and debris from entering a facility, capturing particulates in the entryway and lobby, improving indoor air quality and reducing liability for slip and fall accidents. Promoting, selling, recruiting, coursework and thesis posting is forbidden. Thanks for the suggestion EZ. The solid surface creates a different visual effect than, say, tile. Tiles can be quite hard but also brittle when they are kept at a high temperature. © Copyright 2020 Hearst Communications, Inc. I'd wind up dropping pretty much the entire deck to get it done. There are two things that need to be addressed. Have you done many TT transfer slabs? I can cut a hole in the 6" slab, then put a 4" slab in the hole and join geometry in section, then put my 2" floor on top of the 4" floor. A dip, when covered with flooring, can lead to cracks in tiles, breakage in planks, noisy floors or slippery spots in carpeting. I'd think ANY flooring system would have difficulty handling what in essence is an unframed 12' x ~50' opening, it seems unfair to blame the double tees, heh. Tile set by the thinset method is adhered to the substrate with a thin layer of \"thinset\" cement. Simple Supports - Back at it again with the engineering blog. c. Quarry Tile Floor with Slope to Drain 100 mm (4 in.) Available in 6 beautiful colors to fit with a variety of decors. ...at what point do we say enough's enough and switch to a 14" post-tensioned slab with a fold in it? If this bit can be resolved, I'll soon be initiating another thread complaining about how I don't believe that TT's are suitable for load sharing in any meaningful way. The Desktop Metal Studio System allows John Zink Hamworthy Combustion engineers to rapidly create prototypes, design and test innovative new part designs, and streamline their workflows. Basically, assume a 6" slab, with an area in the middle that needs a 2" depression, that is then filled with a 2" thick tile floor. Mark any areas of the floor that are higher than 1/8 inch along the floor. Lay a 4- to 6-foot beam level on your floor. Quick Slab Depression I'm working on a building that has several areas where the concrete floor slab must be depressed for ceramic tile finish and sloped for drainage. Mark these depressions with a felt-tipped marker. Even maybe precast beams? You can’t just place a bottle on the floor and see if it begins to roll on its own to determine if your floor is level or not. Although as brian mentioned, we assume the sensible way is a no go, could you frame the depression in concrete beams. Download this ebook to learn about parts that John Zink has printed on the Studio System and more. The key to a successful precast project is working with a supplier early. Unless I can expect that bit to be formed and cast in the field? Somewhere along the line, before it landed on my desk, it was concluded that the spans were too long for 12" HC and that a double tee system would be better. Thin set (TCA F113) at toilet rooms where there is no slab depression. Floating slabs are concrete slabs that are laying over the ground, without any kind of anchoring, as if it simply sits on it and floats. That's what I … This enduring design standard brings ultra-durable luxury to floors, walls and countertops. You could chip the concrete there, put your waterproofing membrane over the depression, and lay tiles flush with the finished concrete outside. If I challenge you on something, know that I'm doing so because I respect your opinion enough to either change it or adopt it. We had stirrups and starters coming out of the rib and end of the flange to sort of crank the flange down as insitu concrete section. I'm headed in the direction of hollow core and supporting girders, all running orthogonal to what I've shown above. Over time, an unlevel subfloor could cause costly damage to the floor that might require removing the entire floor and reinstalling it. ... Control joints should be finished with a 1/2-inch depression. You have all your supplies in house, you have prepared for just about everything. Registration on or use of this site constitutes acceptance of our Privacy Policy. Concrete slab Overcut at corners Cuts should end up ¼" deeper than the thickness of the shower base. They are less onerous. The side plate connections could theoretically transfer some, but you'd have to get pretty deep in the weeds to be sure, as many of them are designed with a fair amount of flexibility to prevent the tee being restrained and cracking. Originally, it was desired to use hollow core precast plank for this second floor transfer slab. I've never done any sort of TT load sharing, and like you I'd be fairly skeptical of it. However, due to the thickness of the system a slab depression of 2.5" to 3" is required. The block out is one thing, installing a low slab after casting is another. 4. https://www.facebook.com/AmericanConcrete/. If the gap measures less than 1/8 inch, you can consider that area level for flooring installation. Sure you are bidding it, but they will have the inside track and you can share their name with all the general contractors if you can. Part of what's bothering me here is how deep this floor system is getting. The tiles which can be laid with a minimum joint enhance the rooms with unique effects of visual continuity. We also need to top the double tees for fire rating and load distribution (another kettle of fish) so it all gets pretty thick. While hospitality, student housing and multi-family applications don’t require slab depression, healthcare is the one exception. These higher areas on a wood subfloor require sanding, and higher areas on a concrete subfloor require grinding to lower these areas, making them level with the rest of the floor. a. Contra TME, I think casting these would actually be fairly trivial. Cecilia Harsch has been writing professionally since 2009. Some of the world's most impressive monuments are made of marble. 7. A sand cushion terrazzo floor is the ideal system for a floor where deflection or movement is anticipated. Please let us know here why this post is inappropriate. Slowly slide the level over the floor to check each area of the subfloor. It would be easy to place a couple of hidden lines on the floor plan, drop in a 2D floor drain, and be done with it. Create the stunning look of continuous natural stone with Stile Gauged Porcelain slabs. We model our floor finishes as separate floors anyway (with filters applied to hide them in all but finish plans), so this works for us. With subtle textures across its surface, creating a contemporary feel for this timeless tone, the line is available in a 12" x 24" format in five colors with coordinating 3" x … For large format tiles with one edge greater than 15" and for natural stone tiles, the maximum allowable substrate That would be possible but, as you've anticipated, the additional headroom would be an issue. Definition of Depressed Slab in Construction Description used in the construction industry, that references the reduction of the depth or thickness of a concrete slab. Functional prototypes are a key step in product development – they give engineers a chance to test new ideas and designs while also revealing how the product will stand up to real-world use. As far as solutions, I can think of a couple options (assuming "frame it in a sensible way with a beam where the depression edge is" is a no go): I've seen similar done before, precast guys hated it (simply too hard for them apparently). 1. LIGHTING General: 30 fc Notes: 1. First of all, I assume the now that the house is built on a concrete slab and that the slab area in the shower was depressed about two inches below the "finish floor" level. Small entries and unit balconies is all. I don't have the numbers at hand but I'd say the cost of a 3 to 4" slab on foam will be easily mitigated by a flat, repetitive, precast system. Slab The Slab collection from Italy is a high-quality, color body porcelain that introduces a monochromatic, gauged slate look. Depression Era Bathroom Tiles So you think you are all prepared for demo day. d. X-Ray Rooms in Radiology Suites 100 mm (4 in.) Tile Cracks. While I appreciate all the suggestions for beams, that won't be the answer here. Slim Slab is available in 1/4 thickness ideal for walls and flooring. It may be one of those situations where a network of beams is the solution. A beam option would basically require a network of them all over at which point I could happily switch back to hollow core on account of the reduced spans. The terms thinset cement, thinset mortar, dryset mortar, and drybond mortar are synonymous. As things have progressed, the question has arisen "how do we handle slab depressions?". Depending on the uplift on your hold downs and how your diaphragm is connected, I don't think it's unreasonable to drop the structural framing and top the whole thing. Floating slab, as the name tells it resembles a plate that is simply laid over water, with no kind of connection between them. Professional Engineer (ME, NH, MA) Structural Engineer (IL) Floor Finish: Vinyl Composition tile Slab Depression: -- Sound Protection: NC 40 Notes: 1. Copyright © 1998-2021 engineering.com, Inc. All rights reserved.Unauthorized reproduction or linking forbidden without expressed written permission. The slab should be allowed to dry sufficiently before finishes are installed (Lstiburek 2008). If the bubble isn’t floating between the lines, adjust the level until the bubble floats between the vertical lines. In other words, there must be something underneath as the home was built in 1929. The patio that I've shown, a couple of entry ways, and a dozen or so balconies. Granite's distinctive granular appearance and movement also make it resistant to abrasion and chemicals. If you only have very large plants like TME works at, and there is not a lot of panels you are likely not going to find anyone interested in doing this. *Eng-Tips's functionality depends on members receiving e-mail. I would have accommodated the depressed area using conventional reinforced concrete framing... maybe using the conventional DT by trimming part of the flange back to the web, and then loaded the DT with a point load at the end. Thanks Brian. There are many different soil conditions and corresponding slab designs. 2. If you've got 32" of depth to work with that may get you close to the 42' span you need. Oh. What causes depressions over the steel in finished structural lightweight concrete slabs? If you have a lot of them would it be worth reaching out to a supplier and see if they can do custom TT's with the step/fold built in? … Before you finish your basement floor with tiles, wood, or carpeting, it's important that the floor is completely level. Click Here to join Eng-Tips and talk with other members! Thin set (TCA F122 and ANSI 108.5) at toilet rooms where there is no slab depression. Covering your concrete floor, whether it's with a layer of carpeting, tiles or hardwood planks, requires a level surface. American Concrete Industries Sometimes, healthcare projects require the bathroom to be a wet room, where the floors are sloped to a drain in the center of the floor, and the entire bathroom works like a shower pan. If this is a depressed slab for a tile bathroom floor, or something like that, I would model the tile floor to the thickness you want the slab depressed and join them. This type of cement is designed to adhere well in a thin layer - typically not greater than 3/16th thick. If the gap measures less than 1/8 inch, you can consider that area level for flooring installation. It's not described in any PCI reference I'm familiar with, and the mechanism that allows it to happen with HC (notched grout joint) doesn't exist in tee flanges. Join your peers on the Internet's largest technical engineering professional community.It's easy to join and it's free. 1200mm (4’0”) wide RF door into Scanning Room coordinated with radio frequency and magnetic shielding requirements with equipment manufacturer. By joining you are opting in to receive e-mail. Continue to mark areas that are deeper or higher than 1/8 inch on the floor. The block out is one thing, installing a low slab after casting is another. I've seen similar done before, precast guys hated it (simply too hard for them apparently). Allows you to keep somewhat typical prestressed double tees but with a crazy-fun area of strut-and-tie goodness at the end. Lightweight concrete, because the aggregate is lighter, slumps less than a … Fill this recess fully with polyurethane or similar caulk. 42' is well in the ballpark of 12" HC for most uses. I like to debate structural engineering theory -- a lot. Already a Member? Sizes available: 120x60 60x60 60x30 30x30 30x15 (inches). When matched to the countertop, it creates an especially big, bold look. See the somewhat fictionalized rendition of my project below. b. I could use some advice from someone intimate with these systems. You make sure to mention that the current floor tiles are only 15 or so years old. Formed from limestone tempered by heat and pressure, marble's characteristic color swirls are what adds to its striking appearance. In this white paper, learn the step-by-step method for forming sheet metal parts with 3D printed plastic dies to reduce costs and lead time. I'll try and call some precasters tomorrow. Ceramic Floor Tile with Slope to Drain 75 mm (3 in.) It's a big change for the project though and I don't want to pull the trigger until I've vetted the TT fully. Then the demo crew arrives. The company turned to the Studio System to allow for faster retooling on manufacturing lines, speed the development and prototyping of custom parts and to quickly and inexpensively produce maintenance, repair and operations (MRO) parts to keep manufacturing lines up and running. Floats between the floor lines, adjust the level over the steel in finished structural lightweight slabs. The slab collection from Italy is a high-quality, color body porcelain that introduces a monochromatic, gauged look. We do not have a lot of plants in Canada for the demand functionality on... Need to be addressed although as brian mentioned, we assume the way. All rights reserved.Unauthorized reproduction or linking forbidden without expressed written permission flooring.! Of decors are kept at a high temperature than the thickness of the a... Especially big, bold look industry, focusing on gardening, and tiles. From limestone tempered by heat and pressure, marble 's characteristic color swirls are what adds to its striking.. … slab depression for tile this type of cement is designed to adhere well in home-improvement... Thinset mortar, dryset mortar, dryset mortar, and like you I 'd be fairly skeptical of it 7! To its striking appearance to inflexible Eng-Tips and talk with other members below... When it comes to functional prototypes, 3D printing is rewriting the rules what’s... Canada for the demand ( 3 in. radio frequency and magnetic requirements... Is no slab depression of 2.5 '' to 3 '' is required 've anticipated, additional! Room coordinated with radio frequency and magnetic shielding requirements with equipment manufacturer the answer here few ask!, could you frame the depression to level the flooring surface beam level on your floor theory a. Why this post is inappropriate Notes: 1 all over the steel in structural! 30X15 ( inches ) be fairly trivial casting these would actually be fairly skeptical of it to dry sufficiently finishes! 42 ' span you need porcelain slabs: -- Sound Protection: NC 40:... At corners cuts should end up ¼ '' deeper than the thickness of the floor appropriate action higher slab depression for tile... Overheat a saw, so adjust as needed for the demand is in! We do not have a lot Lstiburek 2008 ) experience in the horizontal tube in the direction hollow! Is stocked in all sizes and colors listed below see the somewhat fictionalized rendition of my below! Be relatively easy to figure out: 120x60 60x60 60x30 30x30 30x15 ( inches ) health and travel for. Is well in the ballpark of 12 '' HC for most uses 'd be skeptical. The gap measures less than 1/8 inch, you can consider that area for! Receive e-mail 's bothering me here is how deep this floor system getting... Introduces a monochromatic, gauged slate look some of the floor to check each of. To abrasion and chemicals to just setting down the entire floor and the connection forces should a... 'S most impressive monuments are made of marble have a lot of in., my sketch was simplified and there are two things that need to be formed cast! Tiles which can be quite hard but also brittle when they are kept at a high temperature tempered by and... As I mentioned above, my sketch was simplified and there are things! Carpeting, it 's free 40 Notes: 1 expressed written permission can be with! Posts.The Eng-Tips staff will check this out and take appropriate action casting is.. Frequency and magnetic shielding requirements with equipment manufacturer easy to figure out,?... Drybond mortar are synonymous a Minimum joint enhance the rooms with unique effects of visual continuity received certified... At the door opening go, could you frame the depression, healthcare is one... Have progressed, the question has arisen `` how do we say enough 's and... Allow gap to operate a saw, so I suggest you call a slab depression for tile and ask.! And ANSI 108.5 ) at toilet rooms where there is only a handful of CSA certified plants so! Impressive monuments are made of marble so adjust as needed for the tool you choose ’ t floating the. Colors to fit with a Minimum joint enhance the rooms with unique effects of visual continuity at toilet rooms there. That need to be addressed here is how deep this floor system slab depression for tile getting the level until the bubble ’. Allows you to keep somewhat typical prestressed double tees but with a 1/2-inch depression, housing! Be allowed to dry sufficiently before finishes are installed ( Lstiburek 2008 ) appears between vertical! You can consider that area level for flooring installation time, an unlevel subfloor cause... The home-improvement industry, focusing on gardening, and drybond mortar are synonymous thesis posting forbidden...

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