1. Product Overview
This manual provides instructions for the installation and maintenance of your Generic 24"x24" Octagon Vinyl Window, Model Non Grid. This energy-efficient window features a heavy-duty vinyl frame and insulated clear glass, designed to reduce heat transfer and enhance the aesthetic appeal of sheds, garages, mobile homes, or other small architectural spaces. Its low-maintenance construction ensures long-lasting durability.

Figure 1.1: Octagon Vinyl Window as received in packaging.
The window's distinctive octagon shape adds a unique architectural touch, making it suitable for various exterior upgrades. The insulated clear glass helps maintain indoor temperatures, contributing to energy efficiency.

Figure 1.2: Example of the Octagon Vinyl Window installed in a wall.
2. Safety Information
- Always wear appropriate personal protective equipment (PPE) including safety glasses, gloves, and sturdy footwear during installation.
- Handle glass with extreme care to prevent breakage and injury.
- Ensure the installation area is clear of obstructions and well-lit.
- Use proper lifting techniques or seek assistance when handling the window unit due to its weight (approximately 13 pounds).
- Verify that the structural opening is sound and capable of supporting the window.
- Follow all local building codes and regulations for window installation.
- Keep children and pets away from the work area.
3. Package Contents
Upon unpacking, ensure all components are present and undamaged. The package typically includes:
- One (1) Octagon Vinyl Window Unit (Model: Non Grid, 24"x24")
Note: Installation hardware (screws, shims, sealant, flashing) is typically not included and must be purchased separately.
4. Product Specifications
| Model | Non Grid |
| Dimensions (Overall) | 24 x 3 x 24 inches (Width x Depth x Height) |
| Item Weight | 13 pounds |
| Material | Polyvinyl Chloride Type I (Vinyl) |
| Color | White |
| Glass Type | Insulated Clear Glass |
| Manufacturer | Tfc Corp |

Figure 4.1: Detailed dimensions of the Octagon Vinyl Window.
5. Installation Instructions
This section outlines the general steps for installing the Octagon Vinyl Window. Professional installation is recommended for optimal performance and safety. Ensure you have all necessary tools and materials before beginning.
5.1 Tools and Materials Required (Not Included)
- Measuring tape
- Level
- Drill and appropriate bits
- Screws suitable for your wall type
- Shims
- Caulking gun and exterior-grade sealant
- Flashing tape or material
- Utility knife
- Hammer
- Pry bar (if removing an old window)
5.2 Preparing the Opening
- Measure the rough opening to ensure it is slightly larger than the window unit (typically 1/2 inch larger in both width and height). The window dimensions are 24"x24".
- Ensure the opening is square and plumb. Use shims to adjust if necessary.
- Clean the rough opening thoroughly, removing any debris or loose materials.
- Apply appropriate flashing material around the rough opening according to manufacturer guidelines and local building codes to prevent water intrusion.
5.3 Installing the Window
- Carefully lift the window unit and center it within the prepared rough opening.
- From the interior, use shims to level and plumb the window within the opening. Ensure the window frame is not bowed or twisted.
- Once the window is level and plumb, secure it temporarily with a few screws through the pre-drilled holes in the frame or mounting fins (if present).
- Check the window's operation (if applicable, for fixed windows, check alignment). Adjust shims as needed.
- Fully secure the window by driving screws through all designated fastening points. Do not overtighten.
- Remove any excess shims that protrude beyond the frame.

Figure 5.1: Close-up of the durable vinyl frame, highlighting fastening points.
5.4 Sealing and Finishing
- Apply a continuous bead of exterior-grade sealant around the perimeter of the window frame where it meets the exterior wall. Ensure a watertight seal.
- From the interior, fill any gaps between the window frame and the rough opening with low-expansion foam insulation or appropriate insulation material.
- Install interior and exterior trim as desired to finish the installation.
6. Care and Maintenance
Regular cleaning and inspection will help maintain the appearance and performance of your vinyl window.
6.1 Cleaning the Frame
- Clean vinyl frames with a mild soap and water solution.
- Use a soft cloth or sponge to wipe away dirt and grime.
- Avoid abrasive cleaners, solvents, or harsh chemicals, as these can damage the vinyl finish.
- Rinse thoroughly with clean water and wipe dry.
6.2 Cleaning the Glass
- Use a standard glass cleaner or a solution of vinegar and water.
- Wipe with a clean, lint-free cloth or paper towel.
- Avoid scratching the glass with abrasive materials.
6.3 Inspection
- Periodically inspect the sealant around the window for cracks or deterioration. Reapply sealant as needed to maintain a watertight seal.
- Check for any signs of damage to the vinyl frame or glass.
7. Troubleshooting
This section addresses common issues you might encounter with your fixed vinyl window.
7.1 Drafts or Air Leaks
- Cause: Improper sealing during installation or deteriorated sealant.
- Solution: Inspect the exterior sealant around the window frame. Reapply exterior-grade caulk where gaps or cracks are found. Check interior insulation around the rough opening and add more if necessary.
7.2 Condensation on Glass
- Cause (Exterior): Normal atmospheric conditions (e.g., high humidity, cold glass surface).
- Solution (Exterior): This is usually normal and indicates good insulation. It typically dissipates as temperatures change.
- Cause (Interior): High indoor humidity.
- Solution (Interior): Improve ventilation in the room (e.g., use exhaust fans, open doors/windows briefly). Ensure proper insulation around the window.
- Cause (Between Glass Panes): Seal failure in the insulated glass unit.
- Solution (Between Glass Panes): If moisture appears between the glass panes, the insulated glass unit has failed and may require replacement. Contact the seller or a window professional.
7.3 Frame Discoloration
- Cause: Exposure to harsh chemicals or prolonged dirt accumulation.
- Solution: Clean the frame regularly with mild soap and water. Avoid using abrasive cleaners or solvents.
8. Warranty Information
For specific warranty details regarding your Octagon Vinyl Window, please refer to the documentation provided at the time of purchase or contact the seller directly. Warranty coverage typically includes defects in materials and workmanship under normal use and service.
9. Customer Support
If you have any questions, require assistance with installation, or need to report a damaged product, please contact the seller or manufacturer through the platform where the purchase was made. Have your product model number (Non Grid) and purchase date available for faster service.
Manufacturer: Tfc Corp





