Installation Guide
1881 Trade Center Way, Naples, Florida 34109
239-593-7988 www.siltech-inc.com Fax 239-593-7983
Page
2
INSTALLATION INSTRUCTIONS
Step 4 – Setting the Windowsill
Butting against window frame, on concrete block, pre-cast or wood
If the windowsill is to be set against the window frame, use plastic shims where needed
to make level
Be sure that the windowsill is level before using adhesive
Once the windowsill is level, add adhesive to substrate
Set windowsill, check to make sure the windowsill is still level
Some installations may require a cleat under the lip of the windowsill until adhesive is set
Allow adhesive to cure per manufacturer’s instructions
Keep protective film in place until installation is complete
Tucking under frame, on concrete block or pre-cast only
Run a bead of adhesive onto concrete block
Run a bead of adhesive on the underside of windowsill
Tuck back of windowsill under the window frame
Tap front of sill down until level, keeping back of sill against frame
Clean any adhesive that may have come out from under front edge of sill
Check windowsill for final level
Allow adhesive to cure per manufacturer’s instructions
Keep protective film in place until installation is complete
Tucking under window on wood framing
Place stacks of shims until sill is raised up to window frame
Put adhesive over top of shims making sure adhesive also is on wood framing
Place sill back in opening and then level front to back with cleat if needed
Allow adhesive to cure per manufacturer’s instructions
Keep protective film in place until installation is complete