I would require you to hire someone else to create support so the top of the sink sits 1/16" below the level of the cabinets. Most shops I know would require you to have this completed BEFORE measure up. We're countertop installers, not cabinet makers. Hire a cabinet maker if your cabinets need modifications to support a cast iron sink. Answer from KevinCountertops on reddit.com
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KOHLER
kohler.com › home › kitchen sinks
Undermount Kitchen Sinks | KOHLER
Our undermount sinks are made of durable materials designed for longevity, including stainless steel, KOHLER enameled cast iron, and KOHLER Neoroc® composite material. Enhance your kitchen setup by pairing your undermount kitchen sink with ...
Discussions

How to install heavy cast iron undermount sink, granite countertop
I would require you to hire someone else to create support so the top of the sink sits 1/16" below the level of the cabinets. Most shops I know would require you to have this completed BEFORE measure up. We're countertop installers, not cabinet makers. Hire a cabinet maker if your cabinets need modifications to support a cast iron sink. More on reddit.com
🌐 r/CounterTops
37
3
January 23, 2025
Stainless Steel sinks - Why is Kohler so much more expensive?
Could be the Warranty. A lot of Kohler stuff has a lifetime warranty. I'm the 4th or 5th owner of a house and had to replace my shower hot water mixer cartridge. Kohler replaced the 20 year old part that was quoted $500 from a plumbing service. More on reddit.com
🌐 r/HomeImprovement
78
29
September 7, 2022
Kohler cast iron sink
Even with well made enamelled cast iron cookware like Le Creuset, chips inevitably happen. That's because cooking and cleaning can be rough and tumble events. I would never buy an enamelled cast iron sink for the kitchen. Stainless steel is the only way to go. More on reddit.com
🌐 r/kitchenremodel
24
5
March 11, 2024
Kitchen sink: Kohler, Kraus or Delta?
Kohler is decent. Lifetime warranty...call them and they will send free parts. I have hard water and my Kohler faucets seem to be showing the effects at 15 years old, More on reddit.com
🌐 r/BuyItForLife
35
20
October 8, 2023
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KOHLER
kohler.com › en › products › kitchen-sinks
Kitchen Sinks | Undermount, Farmhouse & More | KOHLER
Explore KOHLER's range of kitchen sinks, including undermount and farmhouse, designed for durability. Add bold style to any space and make cleanup more efficient.
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Amazon
amazon.com › stores › Kohler › page › D03957D9-8688-4A6F-A66B-531E61EC0803
Amazon.com: Kohler: Undermount Sinks
KOHLER · 28003-1-CM1 Kennon® 25" top-/undermount single-bowl kitchen sink, Matte Black · Quick look · KOHLER · K-8185-1-CM1 Kennon 33 in. x 22 in. x 9-5/8 in. Neoroc top Mount Double-Equal Kitchen Sink, Matte Black · Quick look · KOHLER · Northland Under Counter 12 X9-1/4 Sink ·
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Easy Plumbing
easyplumbing.com › collections › all products › kohler k-5807 36" undermount sink kit
KOHLER 36" undermount sink kit — Easy Plumbing
KOHLER K-5807 36" undermount sink kit
Install and remove your under-mount sink easily with the help of this kit. The 36-inch sink kit replaces the wooden support structure that would otherwise be necessary for proper installation. Install and remove your under-mount sink easily with the help of this kit. The 36-inch sink kit replaces the wooden support structure that would otherwise be necessary for proper installation.Includes rails, brackets, and hardware for mounting 36" (914 mm) undermount sinksAdditional Resources: · Spec Sheet · Installation Instructions · Parts Sheet ·
Rating: 1 ​
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Ferguson Home
fergusonhome.com › undermount-kitchen-sinks › c113813
Undermount Kitchen Sink - Shop Sinks & Apron Basins
Elkay Crosstown 31-1/2" Undermount Single Basin Stainless Steel Kitchen Sink with Basin Rack and Basket Strainer ... Kohler Prolific 33" Workstation Single Basin Undermount Kitchen Sink with Silent Shield Technology and Accessories Included
Find elsewhere
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Reddit
reddit.com › r/countertops › how to install heavy cast iron undermount sink, granite countertop
r/CounterTops on Reddit: How to install heavy cast iron undermount sink, granite countertop
January 23, 2025 -

I bought a 27" undermount (NOT a farmhouse) Kohler Riverby cast iron sink to be installed with my granite countertop (thick slab, 36" cabinet) . While ordering the granite, the sales person said they will use 2x4s to support the sink and it won't be pretty. I'm afraid they will ruin my new sink base. How are these heavy cast iron sinks installed? They have my new sink, and I assume they will drill and dry fit the clips. Do they need to build some sort of a support while installing it? The base of the cabinet (or any cabinet) would not support a vertical 2x4 pressing down with 300 pounds, and I don't like the idea of a bunch of 2x4s nailed into my new cabinet. What is the process?

I saw a company that makes metal supports that adjust up and down. Not sure why installers won't use these instead http://sinkmount.com. Fabricators, what is your method for installing these heavy cast iron sinks? Would you use these metal supports if the customer supplied them?

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KOHLER
kohler.com › en › products › kitchen-sinks › shop-kitchen-sinks › vault-35-1-2-x-21-1-4-x-9-5-16-under-mount-single-bowl-kitchen-sink-stainless-steel-with-short-apron-for-36-cabinet-3943
Vault Undermount Kitchen Sink | K-3943 | KOHLER
Vault™ 35-1/2" undermount single-bowl farmhouse kitchen sink
Shop the KOHLER Vault stainless steel sink that brings functional beauty to the kitchen with tight corners and a short apron front for easier installation.
Price   $999.57
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KOHLER
la.kohler.com › en › product-detail › 3160
KOHLER | 3160 | Poise™| 33" undermount double-bowl kitchen sink
With its angular shape and beveled basin, the KOHLER® Poise sink brings sleek, polished style to your kitchen. This luxury undermount kitchen sink is handcrafted from premium quality, 16-gauge stainless steel for exceptional durability and luster.
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Kohlerasiapacific
kohlerasiapacific.com › browse › kitchen › Categories › kitchen-sinks › InstallationType › Undermount
Designer & Luxury Kitchen Sinks – KOHLER
KOHLER Co. Kitchen & Bath Brands ... Learn more. Learn more ... Undertone™ 35-1/8" x 20-1/8" x 9-3/4" undermount extra large/medium double-bowl kitchen sink K-3356-L-NA
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Wayfair
wayfair.com › home improvement › kitchen remodel & kitchen fixtures › kitchen sinks & faucet components
Wayfair | Undermount Kohler Kitchen Sinks You'll Love in 2022
Dec 5 · With soft French curves, the Cairn® 24-1/2-in x 18-5/16-in x 9-1/2-in neurotic under-mount single-bowl kitchen sink with sink rack offers transitional style to suit contemporary and traditional kitchens alike.
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KOHLER
kohler.com › en › products › kitchen-sinks › shop-kitchen-sinks › strive-35-x-18-5-16-x-9-5-16-under-mount-extra-large-single-bowl-kitchen-sink-with-basin-rack-5283
Strive Undermount Kitchen Sink | K-5283 | KOHLER
Strive® 35" undermount single-bowl kitchen sink
The K-5283-NA sink features 16-gauge stainless steel with rounded, easy-to-clean corners and an extra-large, 9"-deep single bowl.
Price   $824.25
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Bloomreach
www-ap.kohlerapac.bloomreach.cloud › browse › kitchen › Categories › kitchen-sinks › InstallationType › Undermount
Designer & Luxury Kitchen Sinks – KOHLER
Why Kohler Stainless? Learn more. Learn more · 51&nbspProducts · Sort by · Relevancy · Name A-Z · Name Z-A · Categories and Filters · Show All · Remove Filter Kitchen Sinks (51) Clear All · MATERIAL · Stainless Steel (42) Cast Iron (5) Neoroc Composite (3) Vikrell (1) Bowl Style · Single bowl (30) Large/medium bowls (14) Double-equal bowls (5) Triple bowls (1) Installation Type · Remove Filter Undermount (51) PRODUCT FAMILY ·
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KOHLER
kohler.com › home › kitchen sinks
Stainless Steel Kitchen Sinks | KOHLER
Shop KOHLER stainless steel kitchen sinks built for busy kitchens. Choose undermount, apron-front, and top-mount styles that are durable and resistant to stains.
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KOHLER
kohler.com › en › products › kitchen-sinks › shop-kitchen-sinks › undertone-23-x-17-1-2-x-9-1-2-undermount-kitchen-sink-3325
Undertone 23" Undermount Single-Bowl Kitchen Sink | K-3325 | KOHLER
Undertone® 23" undermount single-bowl kitchen sink
Shop the Undertone 23" Undermount Single-Bowl Kitchen Sink. See our entire collection of Kitchen Sinks.
Price   $871.84