Answer
May 11, 2022 - 09:49 AM
Any size hole that fits within the opening we provide is fine. For an 11 7/8" high i-Joist we provide 16" wide and 8" high for openings, so any hole that fits within this space is fine, regardless how small or large up to 8" x 16"
Please feel free to call me if you have any other questions. 540-589-9669
Please feel free to call me if you have any other questions. 540-589-9669