Description
Installing a rooftop vent fan or AC on thin sheet metal is tough since most vehicle roofs can’t support a secure, lasting mount. This steel reinforcement frame solves that by adding the structural support you need for a safe, clean install.
It prevents warping, sagging, and cracking around your cutout, keeping fasteners tight and your equipment secure, even with road vibration. The built-in flange makes it easy to attach ceiling materials or insulation for a polished interior finish, while a grommeted wiring hole keeps electrical lines tidy.
Strengthen your roof cutouts and ensure your fan or AC install is clean, safe, and built to last with this essential upgrade.
Additional information
| Vehicle Body | AmTran (1-1/2"), BlueBird (1-7/8"), International (1-1/2"), Thomas (1-7/8") |
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🔧 Specifications
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Durable steel construction
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14 1/8″ x 14 1/8″ opening
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Prevents deformation around the fan/AC opening
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Includes pre-drilled wiring hole for clean cable routing
📦 What's Included
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(1) Steel vent fan reinforcement frame (Made in USA 🇺🇸)
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(1) Pre-installed wiring grommet








