How to Count Panes

What is a window pane?

A window is typically made up of more than one pane. A “pane of glass” is a piece of glass surrounded by a frame on all sides. You will want to count each individual pane of glass separately. Just remember that if a window is separated by a frame, it counts as more than one. Click here for some examples of windows and their window pane count.

How do I count my window panes?

Most of our clients find it is easiest to gather their own pane count. This is typically a fast and easy process that will allow your scheduler to give you an estimate of the cost of the job. We recommend that you take a pen and paper and walk the perimeter of your home to count up the window panes. Our over-the-phone estimates are primarily for your convenience and to give us an idea of the scope of work involved as well as the amount of time the job will take.

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Does the size of window pane matter?

The size of each window pane does not matter.  We just ask that you get a count of each individual pane to get the most accurate estimate for your window cleaning job.

What if I have French windows?

Another type of window pane is the French pane.  They are counted in their own category because we charge less per pane to clean them.  An individual pane that is divided into several small sections is typically counted as two.

Be careful not to count removable grids (mullions or inserts) as French panes. They are removed and then the glass is cleaned like a normal pane. We do charge to take down and replace the grids because it does take time.  Some customers choose to remove the grids themselves before the date/time of their job to avoid this charge.

How are storm windows counted?

Storm windows are windows installed outside of normal window to protect your home from low temperatures and street noise. Usually the outside window is a thin framed glass that slides up and down.

I want both the insides and the outsides of my windows cleaned.  Do I count both sides of the pane?

No.  You can count from the inside or the outside of your home, but only count each pane once.  Like any flat object, a pane has two sides — but there’s still just one pane. We are only asking for the number of panes.