Thermwell WM100 Fiber Frame Strip 18 Pack Storm Window

Product Description

The THERMWELL WM100 is a fiber framing strip designed for use with outdoor storm window kits. Each strip measures 0.75 inches wide by 36 inches long and provides the structural framing edge needed to seal and secure storm window plastic film to window frames. This pack includes 18 individual strips, offering enough material to outfit multiple windows in a single purchase. The fiber construction allows the strips to hold staples or tacks firmly while conforming to standard window frame profiles. Installers and homeowners use these strips as a key component in building a tight, weather-resistant barrier against cold drafts and air infiltration.

These framing strips are intended for exterior storm window applications on residential windows. They are typically used as part of a complete outdoor storm window kit, where plastic sheeting is stretched across the window opening and secured using fiber strips along the perimeter. This approach is a common weatherization technique for older homes, rental properties, and structures with single-pane windows where a cost-effective seasonal insulation solution is needed.

Key Features

• 18 strips per pack for multi-window installation coverage
• Each strip measures 0.75 inches wide by 36 inches long
• Fiber construction holds fasteners securely along window frame edges
• Designed for use with outdoor storm window kits
• Suitable for standard residential window frame applications

Compatibility

Designed as an OEM-style component for use with outdoor storm window kits requiring fiber framing strips along the window perimeter.

Installation Notes

Installation is typically performed by a general contractor or knowledgeable property owner as part of a seasonal weatherization project. Power tools are not required; strips are generally fastened using a staple gun or small tacks along the window frame perimeter. Ensure the window frame surface is clean and dry before applying strips to promote a secure hold. Follow all applicable local building codes for energy efficiency and weatherization work.