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🧱 Seal the gap, secure your space — expansion done right!
The Reflectix EXPO4050 Series Expansion Joint is a 4-inch wide, 50-foot long waterproof foam designed for concrete control joints and wall surface repairs. Lightweight and easy to install, it offers durable protection and precise gap filling, trusted by professionals with a strong 4.4-star rating.
| ASIN | B004WAPFS6 |
| Best Sellers Rank | #31,992 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #138 in Wall Surface Repair Products |
| Brand | Reflectix |
| Brand Name | Reflectix |
| Color | Black |
| Customer Reviews | 4.3 out of 5 stars 484 Reviews |
| Global Trade Identification Number | 00716511560017 |
| Included Components | Appliance Parts & Accessories |
| Item Form | Foam |
| Item Type Name | 4"x50' Expansion Joint |
| Item Weight | 1.1 Pounds |
| Manufacturer | REFLECTIX INC |
| Material Type | Plastic |
| Maximum Gap Fill | 50 Inches |
| Model | EXPO4050 |
| Number of Items | 1 |
| Part Number | EXPO4050 |
| Surface Recommendation | Walls |
| UPC | 716511560017 |
| Unit Count | 1.0 Count |
| Warranty Description | As labelled |
| Water Resistance Level | Waterproof |
M**K
Great product.
I had an idea to use this stuff between stone edging and the lawn. Helps space the grass from the stone a bit, making it easier to cut and edge.
J**O
Easy for this DIY!
Easy to work with and does what it is supposed to do. You need to be careful as the 1/2 inch perforation along the top tears off easily.
V**U
Great product but not perfect to refill current joint.
This works great and easy to work with. The only issue with using this to replace rotten joint is that the gap between the concrete pads are usually slightly wider. If this product is about 3/16" or 1/4" thick, it will be perfect. It is easier to squeeze it in instead of leaving a gap in between. I end up have to cut a thin strip and squeeze near the top of the concrete gap to complete fill and secure this foam. I little be more work but it works. Let' see if it hold up.
J**A
Expansion
It the perfect expansion joint for placing concrete around the edge of garage floors or pools
E**Y
As described
Its a plastic foam roll.
C**Z
Don't ever buy from this seller, will steal your money if your not happy with item.
Very cheap material, i sent back and only received $1 refund because of shipping fees.
D**E
Very good
It is easy to use. Work very well
W**S
Expansion foam for concrete control joints
Wonderful price for. Quality product
Trustpilot
1 month ago
3 weeks ago