FAQ Knowledge Articles

Light and Vent data can be found in the Architectural Detail Manuals (ADMs) for the product in question. There are a couple of ways to find the specific ADM you are looking for.

First, you can click on "Professionals" at the top of the page and then click on Architectural Detail Manuals. From there, you can use the filters on the left to select the Brand, Product Category, Product Type and Product to get to the pdf of the ADM.

There is another way as well. You can also do the following on the website:
  1. select "Windows" at the top of the home page. 
  2. Next, select the window family,
  3. Then select the specific type of window in that family. 
  4. When the page loads, click on the horizontal banner that says, "Professional Resources". 
  5. Finally, select Architectural Detail Manuals and pick the one that corresponds to the product. 
  6. Look through the Table of Contents for Vent Openings, Daylight Openings, or Conversions to find the information that you need. 
Standard call number (CN) sizes may be calculated already.  Special size units will require the use of conversion charts working from FS or RO to the needed dimension.

If further assistance is needed, please, contact your local Marvin dealer.