# TLDR Review: Frost King Foam Tape 3/8" W

*Published: 2026-05-10 | Updated: 2026-05-10 | Source: https://shopsavvy.com/reviews-tldr/frost-king-foam-tape-38"-w*

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## Product: Frost King Foam Tape 3/8" W
**Brand:** Frost King

## Pros
- Strong adhesive that sticks well to metal and plastic surfaces, making it versatile for various DIY projects.
- Remains tacky during application, allowing for easy repositioning before it sets.
- Provides reliable long-term adhesion once bonded properly.
- Easy to install on clean, dry surfaces without need for screws or additional tools.
- Excellent value, offering multiple uses beyond its primary purpose.
- Effectively seals gaps and improves insulation or comfort, especially in doors and windows.
- Performs well within the recommended temperature range.
- Affordable price point makes it a cost-effective solution.
- Suitable for filling small gaps, DIY repairs, and minor sealing tasks.
- Adheres effectively to glass, making it useful for cooktop sealing or similar applications.

## Cons
- Sizes are smaller than expected; users need to double-check measurements before purchasing.
- Some reviews mention that it may not stick well to matte rubber surfaces.
- Residue stays behind if lifted after installation, which could complicate reapplications.
- The color may not match all surfaces, as it’s available in black but users reported a gray version being used.
- Not ideal for larger or heavy-duty sealing needs due to its small size and thickness.
- Some users found adhesive slightly insufficient for heavy or demanding applications.
- May require careful surface preparation for optimal adhesion.
- Less effective on surfaces with dust, moisture, or dirt.
- Size and thickness might limit its use in certain projects requiring thicker or larger tape.
- Not designed specifically for sealing heavy or high-pressure gaps, but works well for minor fixes.

## Bottom Line

The Frost King R538H Foam Tape offers a solid, affordable option for sealing small gaps, weather stripping, and DIY repairs. Its strong adhesive and ease of installation make it a handy tool for quick fixes around the house, especially on glass, metal, and plastic surfaces. However, if you need a larger or more heavy-duty sealing tape, you might want to explore other options. Based on user reviews, its size and residue retention are points to consider before purchasing. If you’re after a versatile, budget-friendly foam tape for minor sealing jobs, this product might be just what you need.

## Pros vs Cons at a Glance

| Pros | Cons |
|------|------|
| Strong adhesive that sticks well to metal and plastic surfaces, making it versatile for various DIY projects. | Sizes are smaller than expected; users need to double-check measurements before purchasing. |
| Remains tacky during application, allowing for easy repositioning before it sets. | Some reviews mention that it may not stick well to matte rubber surfaces. |
| Provides reliable long-term adhesion once bonded properly. | Residue stays behind if lifted after installation, which could complicate reapplications. |
| Easy to install on clean, dry surfaces without need for screws or additional tools. | The color may not match all surfaces, as it’s available in black but users reported a gray version being used. |
| Excellent value, offering multiple uses beyond its primary purpose. | Not ideal for larger or heavy-duty sealing needs due to its small size and thickness. |
| Effectively seals gaps and improves insulation or comfort, especially in doors and windows. | Some users found adhesive slightly insufficient for heavy or demanding applications. |
| Performs well within the recommended temperature range. | May require careful surface preparation for optimal adhesion. |
| Affordable price point makes it a cost-effective solution. | Less effective on surfaces with dust, moisture, or dirt. |
| Suitable for filling small gaps, DIY repairs, and minor sealing tasks. | Size and thickness might limit its use in certain projects requiring thicker or larger tape. |
| Adheres effectively to glass, making it useful for cooktop sealing or similar applications. | Not designed specifically for sealing heavy or high-pressure gaps, but works well for minor fixes. |

## Current Prices

| Retailer | Price | Availability |
|----------|-------|-------------|
| Ideal True Value Home Center | $1.29  | Check |
| Hardware & Moreee | $1.30  | Check |
| SHC Supply | $1.40  | Check |
| Ideal True Value Home Center | $1.41  | Check |
| Cable Ranch | $1.44  | Check |
| MID Hardware | $1.45  | Check |
| Shell Lumber and Hardware | $1.50  | Check |
| SupremeDIY.com | $1.50  | Check |
| Farm & Home Supply | $1.99  | Check |
| DK Hardware | $2.01  | Check |
| hardwareandtools.com | $2.09  | Check |
| zorotools.com | $2.54  | Check |
| Zoro Tools Industrial Supplies | $2.55  | Check |
| Rural King | $2.79  | Check |
| Shell Lumber and Hardware | $2.81  | Check |
| Theisen's | $2.94  | Check |
| The Home Depot | $2.98  | Check |
| Ace Hardware | $2.99  | Check |
| Coopersville Hardware | $2.99  | Check |
| Country True Value | $2.99  | Check |

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*About this review: We pulled together findings from professional and user reviews, and cross-referenced them with ShopSavvy's pricing data from thousands of retailers to give you the short version.*