Prepare the Countertop Surface - How to Install an Undermount Kitchen Sink - Stesso

Prepare the Countertop Surface - How to Install an Undermount Kitchen Sink - Stesso

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Step 1 · Prepare the Countertop Surface

Thoroughly clean the underside of the countertop around the sink cutout. Use a rag and denatured alcohol to remove any dust, grease, or debris from the stone. This ensures a strong, watertight bond with the silicone sealant. A clean surface is critical for preventing future leaks.

Stesso

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Step 1 · Prepare the Countertop Surface

Thoroughly clean the underside of the countertop around the sink cutout. Use a rag and denatured alcohol to remove any dust, grease, or debris from the stone. This ensures a strong, watertight bond with the silicone sealant. A clean surface is critical for preventing future leaks.

Tools and Materials

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How to Install an Undermount Kitchen Sink

Step 1 of 11·3.8 hr left

Prepare the Countertop Surface

15 mins2 itemsBeginner

Install Drain Assemblies

30 mins6 itemsAdvanced

Dry Fit and Temporarily Support the Sink

20 mins2 itemsAdvanced

Apply Silicone Sealant

10 mins5 itemsIntermediate

Position and Mount the Sink

10 mins5 itemsAdvanced

Install and Tighten Mounting Clips

30 mins4 itemsAdvanced

Clean Excess Sealant

10 mins3 itemsIntermediate

Mount Garbage Disposal and Connect Dishwasher

25 mins4 itemsAdvanced

Connect the Drain Plumbing

45 mins5 itemsAdvanced

Connect Water Supply Lines

20 mins2 itemsAdvanced

Check for Leaks

15 mins2 itemsIntermediate

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