Rough Opening Dimensions for Installing Valterra Frame Assembly and Glass # A77051


I purchased this window for my enclosed trailer door I read in the Q and A section and found the thickness size but I need the rough opening size so I will know what measurements I need to cut my door for the window. Fyi the door has been rebuilt and now is a solid core


Expert Reply:

To install the Valterra Frame Assembly and Glass # A77051 referenced in your question you will need an opening of 15 inches wide x 24 inches tall. I have attached an installation video that you might also find helpful.

expert reply by:
Christopher R

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