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KBRS Tile-Basin®
Ready to Tile Shower Base

42" x 48" Center Drain Tileable Shower Base with 48" Shower Curb
100% Leak Proof Guaranteed 
SKU: TB-4248-C


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Free Shipping is for continental US only.
For Alaska, Hawaii, Canada, Mexico and the Caribbean please call:
(912) 352-0442 or (866)912-3211.


CUSTOM SHOWER PAN OPTIONS:
Scroll down to download a custom Tile-Basin® order form.
To quote a custom shower base, please submit an order form,
or CLICK HERE for custom pricing.

+ Description

ABOUT THE KBRS TILE-BASIN®
The Tile-Basin® is a tileable wet area substrate that provides the required positive floor drainage in a tile shower assembly that will be utilizing a clamping-collar type shower drain. The Tile-Basin® has a unique drain connection design that can be specified to work with either a large commercial or standard residential shower drain. The Tile-Basin® is factory waterproofed and equipped with a perimeter flange/curb combination of your choice. The Tile-Basin® is lightweight, yet will provide the superior strength and durability necessary for a successful tile shower installation. The Tile-Basin® is easily installed using modified thin-set mortar and is available standard sizes and custom with your choice of drain connection location.
View All Standard Sizes >

PATENTED LEAK-PROOF SHOWER BASE DESIGN
The patented Tile-Basin® has become the most trusted ICC approved tileable shower base in North America. It is manufactured with KBRS Hard Core Technology, making it rock-solid, 100% leak-proof (guaranteed) and will inhibit mold growth in the substrate.

CUSTOM SHOWERS - ANY SHAPE - ANY SIZE - ANY DRAIN LOCATION
KBRS has the unique ability to manufacture any shape, or size Tile-Basin® with any drain location that your design specifications may require. Just submit one of our simple Tile-Basin® custom order forms and we will promptly manufacture and ship a custom shower pan that is specific to your tile shower application.
View Custom Order Forms >
Get a Custom Quote for You Shower Base >

PEACE OF MIND FOR YOUR SHOWER
The factory-attached perimeter flange is engineered to prevent water from escaping from the shower area behind the tiled walls due to wall seepage or back-up caused by clogged drain.

HARDCURB® UPGRADES
A standard size Tile-Basin® comes equipped with a standard curb shower threshold. HardCurb® upgrades are available for custom showers that will need to mount heavy glass block or heavy glass doors. Glass shower enclosure mounting hardware must be anchored (screwed) to both the walls and the shower curb in order to safely secure the glass assembly. This is especially true with heavy-glass shower enclosures. Traditional shower curbs, constructed from wood or mortar, and most prefabricated foam curbs, are not designed to receive the required anchoring hardware without causing leaks. A KBRS HardCurb® has a self-sealing anchoring layer that automatically seals around the screws when penetrated, and securely holds the screws in place. If you specify a shower curb, a KBRS standard will be factory attached; however, our self-sealing HardCurb® (patented) is available upon request as an upgrade (additional charges will apply). We can custom manufacture a shower base to any geometric configuration imaginable, with any desired drain location that will connect to most major-brand residential and commercial tile shower drains.

CUSTOM LINEAR SHOWERS
Linear drain options are also available with most custom Tile-Basin® designs. Scroll down below to Custom Order Forms to order a linear shower pan Tile-Basin®. The KBRS Linear Line is a rock-solid alternative to a field-sloped mortar bed. Our Linear Tile-Basin® comes factory waterproofed with a liquid-applied positive side membrane. Our linear shower pans are lightweight, yet will provide the superior strength and durability necessary for a successful tile shower installation.
View Custom Linear Shower Order Forms >

SUITABLE SUBSTRATES
Any substrate that you would normally build a tile shower on that is level; concrete, approved plywood surface, etc. Deflection of substrate not to exceed 1/360th of the span 1/2 inch (12 mm) in 15 feet (4.6 m) in accordance with ANSI A108.01-2.3. Allow for live and impact load as well as dead load weight of pan, tile and setting beds.

USES
• Interior or Exterior
• Commercial and Residential

SUITABLE TILE TYPES
• Pebbled Tile
• Impervious Porcelain
• No Minimum Tile Size
• Gauged or Ungauged Natural Stone Tile
• Vitreous, Semi-vitreous or Non-vitreous Tiles, Quarry, Cement Body Tile

SUITABLE WATERPROOFING
Any ANSI 118.10 Liquid Waterproofing

HIGH QUALITY
The Tile-Basin® is constructed from UL® Certified expanded polystyrene (Type XV-EPS 60) geofoam core sandwiched between two composite epoxy materials (CEM). Epoxy welded fiber reinforced polymer (FRP) perimeter flange and/or curb. A Tile-Basin® is encapsulated in an ANSI 118.10 compliant waterproofing membrane.

+ Specifications

42" x 60" Shower Base Specifications

+ Benefits

The Tile-Basin® is a one piece factory sloped component of a shower system that eliminates the chances of water ponding on the tile assembly. The Tile-Basin® has a perimeter water barrier that establishes additional protection against water leaving the basin area. The Tile-Basin® is factory waterproofed. No additional waterproofing is required. The Tile-Basin® is lightweight yet durable enough to resist damage caused by normal construction activity. The Tile-Basin® is quick and easy to install using standard modified thin-set. The Tile-Basin® substantially reduces the time and skill level required to build a code compliant tile shower pan. The non-porous epoxy skins provide a durable layer of protection for the waterproofing membrane and tile assembly. The Tile-Basin® is dimensionally stable and isolates the tile from differential movement stresses within the sub-floor.

Why Choose the KBRS Tile-Basin®?

  • #1 choice for tile surface applications.
  • 3/4” U-Notched trowel included.
  • Fast Free Shipping for In-Stock Designs
  • Custom bases ship within 7-10 business days.
  • Easy to install, ideal for home owners and DIY'ers.
  • 20 - 30 minute installation. Use common modified thin-set.
  • An affordable mortar replacement, cut down on labor costs.
  • Lightweight and no messy epoxy mastics are required to set your tiles.
  • No special drains are required, easily clamps to most popular tile shower drain brands. (View)
  • No metal flashings are required. (View)
  • Clamps to a common tile shower drain. (View)
  • Equipped with a 1/8” patented "Leak-Protection" perimeter flange. (View)
  • No sheet liner to puncture and leak and easily adjusted to "out-of-square" walls.
  • Solid core construction, foot traffic ok immediately after installation.
  • Available with ADA Barrier-Free ramp.
  • Curb upgrades available for supporting glass enclosures.
  • Reduces Sound Transmission

+ Installation

APPLICATION OF PRODUCT:
Dry fit Tile-Basin® to ensure proper size and drain alignment. Using the appropriate notched trowel, apply an approved modified thin-set to substrate as if laying a large format tile. Apply a generous bead of ShowerSeal® Polyurethane Sealant (or equal) around the outside perimeter of the shower drain flange. Lay Tile-Basin® in place and stand on it to ensure proper bond beneath. Reattach the tile drain’s clamping-collar and tighten bolts.

+ Technical Documents

+ Frequently Asked Questions

WHAT IS THE TILES-BASIN™ MADE OF?
We start with a 3-pound high density EPS core and shape the base with a 1/4" per foot (2%) slope to the drain. In its raw state, the 3-pound EPS is tough; however, both surfaces (top & bottom) are then coated with a proprietary blend of hard coat epoxies and embedded composite fibers that gives the shower base its ultimate durability and strength. Next, the perimeter flange and curb are fusion welded to the sloped core. It is then coated in our elastomeric waterproofing and crack isolation membrane. It is completely waterproof and ready-to-tile.

WHAT KIND OF THIN-SET SHOULD I USE?
Any quality "polymer modified" thin-set will do just fine. Do not use a premixed thin-set (i.e.... water already added). A premixed thin-set that comes in a bucket with water already added will not cure properly. Remember: No premix! Always add your own water! Different terms for modified thin-set include: modified thin-set, modified thin set with a latex additive, fortified thin-set, polymer modified thin-set, polymer fortified blended thin-set. The thin-set must meet or exceed ANSI A118.4 and ANSI Al18.11 requirements when mixed with water.

Three of the most recognized brands:
1. Custom Building Products: usually found at The Home Depot. (Product Names: Versa Bond, Fortified, FlexBond Fortified and their elastic membrane is called RedGard)
2. Laticrete: usually found at The Home Depot, Lowe's and other tile suppliers. (Product Names: Laticrete 254 Platinum and their elastic membrane is called Hydro Ban).
3. Mapei: usually found at The Home Depot, Lowe's, Daltile and other tile suppliers (Name of product: Ultra Flex 2 and their elastic membrane is called Aqua Defense)

WHAT'S THE DIFFERENCE BETWEEN A TILE-BASIN™ AND A SHOWERSLOPE™?
The ShowerSlope™ is identical to the Tile-Basin® with two exceptions. The ShowerSlope™ DOES NOT come factory prepped with an elastomeric waterproofing membrane coating, or with factory installed perimeter components (i.e. flange or curb). This allows the ShowerSlope™ to be "cut-to-fit" in the field. An elastomeric waterproofing membrane must be properly applied to surfaces of the ShowerSlope™ and to the seams where the ShowerSlope™ and the tile backer board meet.
View Video >

WHAT KIND OF SHOWER DRAIN IS RECOMMENDED?
A standard (PVC or ABS) 3-piece tile shower drain that uses a "clamping ring", will work fine. We sell these drains on our online store; however, this same type drain is available at most home improvement stores. Make sure you choose a brand that will allow the "strainer barrel" (the threaded part that holds the strainer) to thread down "flush" with your finished tile. We recommend, but do not require, the Oatey brand tile shower drain (this is the brand that we sell).

WHAT SIZE HOLE DO I CUT IN THE SUBFLOOR FOR THE TILE DRAIN?
If you have purchased one of our tile shower drains, you will need to cut a 4-1/2" hole in the sub-floor. The drain's "body" will need to recess into the sub-floor with the drain body "flange" supported by the sub-floor. Instructions on how to properly install a tile shower drain are available with every shower base we sell.

HOW FAR DOWN DO I CUT MY PIPE FOR THE TILE SHOWER DRAIN?
1-3/4" inches below the top surface of the sub-floor will work as per our instructions; however, we strongly recommend that you determine this measurement once you have the tile shower drain "in your hands".

DOES A SQUARE DRAIN STRAINER FIT A ROUND PIPE?
Yes. It will connect to a 2" PVC pipe.

IS THE DRAIN KIT INCLUDED?
The drain kit is included in our ShowerSlope™ cut-to-fit kits, but not with individually sold Tile-Basin® or ShowerSlope™ products; you can purchase a tile drain on our online store with an accessory pack OR as a single item.
View All Shower Drains >

WILL THE DRAIN FIT TO A CAST IRON PIPE?
There are adapters available. We do not sell these adapters. We recommend that you consult with a local plumber, or plumbing wholesaler about this issue. Local codes can vary.

IS THERE ANY SIZE KBRS CAN'T OR WON'T MAKE?
The short answer is....we haven't found one yet. We love a challenge.

HOW LONG DOES IT TAKE TO MANUFACTURE A CUSTOM SHOWER PAN?
Our average lead-time is 7-10 business days (Mon-Fri). This could slightly vary due to certain manufacturing conditions, in which if this becomes an issue you will be contacted and notified by a KBRS, Inc. representative.

CAN I ORDER A RAMP ATTACHED TO THE TILE-BASIN®?
Yes! We can custom manufacture a ramp attached to a Tile-Basin®. We can also add a radius on a custom ramp per your specifications.

HOW CAN I ENSURE THAT THE SHOWER BASE IS COMPLETELY EMBEDDED IN THE THIN-SET AFTER I SET IT IN PLACE?
Typically, professional installers use boxes of tile or buckets of water to supply a uniform weight to the shower base until the thin-set is cured. Following this procedure will result in a "rock-solid" installation. Also, be sure to securely tighten the shower drain's "clamping ring" to the drain body in the sub-floor as recommended in the installation instructions.

I AM INSTALLING ON A WOOD SUBFLOOR, CAN I APPLY THIN-SET DIRECTLY TO THE SUBFLOOR?
If your sub-floor is structurally sound (no rotting...etc.) and level (very important), then applying thin-set directly to the sub-floor is okay. However, we do not recommend applying thin-set directly to particleboard.

HOW EASY IS THE TILE-BASIN® TO INSTALL?
Very easy. Using the appropriate notched trowel (supplied with all shower bases), trowel some modified thin-set into the area that the basin is to be installed (Important: do not use a "premixed" thin-set. It will not cure properly). Liberally apply a bead of polyurethane sealant (found at most home centers) around the outside perimeter of the drain's flange. Then set the Tile-Basin® in place, and ensure that it is well embedded in the thin-set. The thin-set takes care of any floor imperfections and is the adhesive that holds the base in place. Bolt the locking ring on the 4 bolts, and you have actually bolted the base to the flange. You can now stand on the base immediately and start your wallboard installation. What used to take days has been reduced to less than an hour.
View Installation >

WHAT IS THE FLANGE?
The flange is a 1/8" thick, 5" high FRP composite MATERIAL that is designed to rise between the stud wall and the showers backer wall. The flange provides a water barrier to prevent water from exiting he shower during normal use, or in case of a "back-up". The flange is fusion welded to the perimeter of the shower base's core. This exclusive feature increases the likelihood that any moisture that was to penetrate the shower wall would exit into the shower base area, and not to the outside of the shower pan. A flange is attached to the perimeter of the shower base's sloped core where a "curb" or "ramp" is not located.

WHY DO I NEED FURRING STRIPS?
Two good reasons! "Furring strips" are long thin strips of wood (or other material) used to extend your shower's tile backer board beyond the KBRS shower base's flange. This allows the bottom of the backer board to "sit" inside of the shower base. The flange is allowed to "free float" between the backer board and the wall studs. This method is a "leak-protection" feature exclusive to only KBRS shower bases (patent pending). By allowing the backer board to sit inside of the shower base, you will be ensuring that any moisture that may penetrate the tile walls, will exit into the sloped area of the shower base, and exit down the drain (where it belongs). You may also find that your shower's stud walls are "out-of-square". You can also use the furring strips to correct this issue if desired (we recommend it).

IS THE TILE-BASIN® WATERPROOF?
Yes! The Tile-Basin® comes factory waterproofed and ready to tile.

WHAT IS THE KBRS RETURN POLICY?
Standard or stock items may be returned within 30 days of purchase if purchased directly from KBRS, Inc - by internet, phone or fax. Standard or stock item(s) may be returned for credit or refund of the purchase price paid, less a 15% restocking fee. Custom product(s) or special orders are NOT eligible for return, credit or refund at any time; unless the product is received defective or the return is a direct result of a KBRS, Inc. error. To return an item you must first contact us via phone (866) 912-3211, or email returns@kbrsinc.com to obtain an RMA number. Item(s) must be returned in original packaging and return shipping must be paid by you, it is strongly recommended you insure your return package as KBRS will not be able to refund an item that arrives damaged and is not in re-stockable condition.
View Full Return Policy >
 

+ Custom Tile-Basin® Order Forms

Order a Custom Tile-Basin®
Instructions:

Step 1: Download the Order Form (save a copy to your desktop) - THEN fill out the form.
Step 2: Attach the form to an email addressed to: sales@kbrsinc.com OR Fax form to: (912)352-4204


If you need help filling out a custom order form please call: 866-912-3211 or email: sales@kbrsinc.com

Any KBRS custom Tile-Basin® is available with an ADA Barrier-Free ramp upon request. Note: Custom bases are manufactured to a +/- 1/8" (3.175mm) tolerance.

Custom Tile-Basin® Order Forms

Form 103-L
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Form 103-R
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Form 104-L
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Form 104-R
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Form 107-C
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Form 107-L
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Form 107-R
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Form 110-N
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Form 111-N
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Form 112-N
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Form 114-RP
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Form 115-N
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Form 116-N
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Form 120-ZB
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Form 121-L
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Form 121-R
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Form 122-L
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Form 122-R
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Form 123-L
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Form 123-R
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Form 100-G
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Custom Linear Tile-Basin® Order Forms

Submit a linear shower base order form for a quote via email: sales@kbrsinc.com

Form 501-C
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Form 501-L
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Form 501-R
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Form 502-C
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Form 502-L
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Form 502-R
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Form 503-C
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Form 503-L
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Form 503-R
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Form 504-C
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Form 504-L
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Form 504-R
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Form 505-C
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Form 505-L
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Form 505-R
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Form 506-C
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Form 506-L
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Form 506-R
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Form 507-C
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Form 507-L
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Form 507-R
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Form 508-C
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Form 508-L
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Form 508-R
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Form 509-C
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Form 509-L
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Form 509-R
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Form 510-C
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Form 500-G
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IMPORTANT:
1. Make sure you properly measure for your custom shower pan, we will not be able to return or exchange custom manufactured items.
For more information on How to Measure for your Custom Shower Base Click Here >.

2. Please review our Terms & Conditions and Return Policy before ordering. Click Here to Review >

3. DO NOT submit "WHOLE" bathroom drawings.

4. DO NOT request a customer service representative to alter your drawing or measurements. ALL drawings must be completed by you.

5. DO NOT use adobe acrobat PRO - use only adobe reader to complete your form. Using Adobe Pro may result in your order form being submitted "blank" and you will need to resubmit it.


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