What makes countertop installation different
Countertop installation seems simple relative to other home projects: measure, fabricate, install. The complexity is in the details. Natural stone slabs can crack during installation if not supported correctly. Seam placement is an aesthetic decision that is permanent. Inconsistent cabinet heights require shimming, which affects countertop level. These questions help you identify installers who plan ahead.
The 12 questions
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Your Countertops Contractor Conversation Checklist
"Do you do your own templating, or do you outsource it?"
Why it matters: Templating is the precise measurement of the countertop space. Errors in templating result in countertops that do not fit or have gaps at walls.
Notes:
"Where will the seams be placed, and how do I approve that before fabrication?"
Why it matters: Seam placement in natural stone is both a structural and aesthetic decision. Seams should not be in high-stress areas (near the sink, near the stove, at the inside corner of an L-shaped counter).
Notes:
"What edge profile options are included, and are custom profiles extra?"
Why it matters: Edge profiles (eased, beveled, bullnose, ogee, etc.) affect both appearance and price.
Notes:
"What is the installation timeline from template to install?"
Why it matters: Natural stone countertops are custom fabricated. Lead times are typically 1-3 weeks after templating.
Notes:
"What happens if the slab cracks during installation? Who is responsible?"
Why it matters: Natural stone slabs can crack during cutting, transport, or installation. Who bears the cost of a cracked slab is a question you want answered before the slab is in your kitchen, not after.
Notes:
"How do you handle inconsistent cabinet heights?"
Why it matters: Kitchen cabinets are rarely perfectly level across a long run. Countertops must be shimmed or cut to accommodate variations.
Notes:
"What is your sink cutout process, and is the sink drop-in or undermount?"
Why it matters: Undermount sinks require precise cutouts and polished edges. The sink must be supported properly during installation (large stone slabs without the support of the sink opening can crack).
Notes:
"Is the countertop removal and disposal of old countertops included?"
Why it matters: Removal of old countertops is sometimes included, sometimes extra. Tile countertops that are bonded to a substrate can be time-consuming to remove.
Notes:
"What material do you recommend for my use case, and why?"
Why it matters: Quartz is highly durable and low maintenance. Natural granite is durable but requires sealing.
Notes:
"Do you seal natural stone after installation, and what sealer do you use?"
Why it matters: Natural granite and marble require sealing to resist staining. Sealing after installation is usually included but should be confirmed.
Notes:
"What do I need to do to prepare before installation day?"
Why it matters: The kitchen typically needs to be clear of cabinet contents and appliances near the installation area. The undermount sink installation may require plumbing disconnection.
Notes:
"What is the payment schedule?"
Why it matters: A deposit at templating (to secure the material and shop time), balance on installation is standard. Some fabricators require payment in full before installation.
Notes:
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Before you hire
Confirm seam placement approval before fabrication. Understand who owns the risk of a cracked slab. Get the edge profile included in writing. Those three things cover most countertop installation disputes.
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