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MFM WindowWrap PowerBond Self-Adhering Waterproofing Tape 25 mil, 4 in. or 6 in. x 100 ft.
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MFM WindowWrap PowerBond Self-Adhering Waterproofing Tape 25 mil, 4 in. or 6 in. x 100 ft.
MFM WindowWrap PowerBond is a 25 mil self-adhering waterproofing tape for flashing around windows, doors, building seams and general construction. The patented PowerBond adhesive adheres in temperatures as low as 25°F, and each roll measures 100 ft. long in your choice of 4 in. or 6 in. width. It bonds to common window and building materials for a watertight seal.
Key Features:
- Cold-weather adhesion: The patented PowerBond adhesive system aggressively adheres in temperatures as low as 25°F.
- Watertight seal: Bonds to all common window and building materials for a watertight seal.
- Multi-purpose barrier: Prevents water, air, insect and noise infiltration, helping prevent potential mold or mildew formation.
- Self-seals fasteners: Thin, flexible film self-seals around fasteners.
- Silver polymer film: Composed of a silver polymer film coated with aggressive PowerBond Adhesion Technology.
- Two widths: Available in 4 in. x 100 ft. and 6 in. x 100 ft. rolls.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | MFM |
| Sell unit | 1 roll, 100 ft. |
| Product line | MFM WindowWrap PowerBond |
| Available colors | White |
| Available sizes | 4 in. x 100 ft., 6 in. x 100 ft. |
| Material | Silver polymer film with rubberized adhesive |
| Thickness | 25 mil |
| Finish / texture | Silver polymer film |
| Coverage per unit | 100 linear ft. per roll |
| Application temperature | As low as 25°F |
| Intended use | Window and door flashing, building seams, general construction waterproofing |
| Assembly | Self-adhering, no assembly required |
Coverage & How Much You Need:
Each 100 ft. roll covers 100 linear ft. of flashing at the listed width. Use 4 in. tape for standard window flanges and 6 in. for wider laps or seams.
Fit and Compatibility:
Bonds to all common window and building materials. Pair with MFM building wraps and sealants as part of the weather-barrier system.
Frequently Asked Questions (FAQ):
Q: What roll sizes are available?
A: The line comes in 4 in. x 100 ft. and 6 in. x 100 ft. rolls, both white.
Q: What temperature can I apply it in?
A: The PowerBond adhesive aggressively adheres in temperatures as low as 25°F.
Q: What can it be used on?
A: It is designed for use around windows, doors, building seams and general construction, bonding to common window and building materials.
Q: Does it seal around nails and screws?
A: Yes, the thin, flexible tape self-seals around fasteners.
Q: What does it prevent?
A: It prevents water, air, insect and noise infiltration, which helps prevent potential mold or mildew formation.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
PowerBond's 25°F minimum application temperature makes it a strong choice for shoulder-season installs when standard tapes struggle. Shingle the laps in the direction of water flow and roll the tape firmly to the substrate for full adhesion. Choose the 6 in. roll for wide flange coverage or seam work where extra lap is needed.
Follow the manufacturer's application temperature range and surface preparation guidance; wet, dusty or frozen surfaces will compromise adhesion.
Get MFM WindowWrap PowerBond Tape for a watertight window and door seal, even in cold weather.
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