Installation Guide
Bath Sinks: Undermount
Undermount sinks are the ideal choice for a clean high-end look 
with granite or solid surface countertops. This installation maximizes 
countertop space and highlights the elegance of your countertop. 
1.  Flip sink upside down on 
a sheet of craft paper or 
cardboard and trace the 
outside rim of the sink. Select 
preferred countertop offset. 
See diagram. Measure the 
distance between the edge of 
the basin and the inside edge 
of the lip. Add a second line 
insidetherstaccordingto
this measurement. Cut out the template along the second line. 
2.  Place the template onto the countertop and cut the hole into 
the countertop.
3.  Use clear or Sinkology antique 
brown neutral cure 100% 
silicone (#SINSTALL-101) on 
the rim of the sink. Mount 
sink under the countertop 
using approved countertop 
mounting hardware. See 
diagram. Sinkology does 
not provide under mounting 
hardware due to the wide 
varietyofmountingsurfaceswhichrequirespecichardware.
Contactyourcountertopmanufacturerforspecicmounting
hardware. 
4.  Slide the drain through 
the drain hole in the basin. 
Use plumbers putty on the 
underside of the drain lip to 
seal the drain assembly to the 
sink and clean off and excess 
See diagram.
Important
Sinkologyundermountsinksdonotincludemountinghardware.We
recommend providing your sink details to your countertop manufacturer 
for approved mounting hardware and method.
7
PRO
DIY










