Installation Instructions — Premium Sills

Sill‑Rite sills are easy to install — especially with these step-by-step instructions:

  • Basic Installation — Step-by-step instructions for most applications.

  • Installation for Multiple Windows — If you have two or more windows close together, it may be best to install one long sill across a set of windows. These step-by-step instructions show you how.

  • Installation in Bull Nose Drywall —If you have bull nose corners in your sill area, there are a few handy tips for cutting the sill to fit perfectly.

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Basic installation video: