






🧱 Build smarter, last longer — the fiberglass edge your walls deserve!
This 3/4 inch (19mm) fiberglass additive, weighing 1 lb, integrates seamlessly into mortar mixes to significantly enhance toughness, waterproofing, and impact resistance. Ideal for wet and high-stress environments, it forms a dense fiber network that prevents cracking and improves seismic durability, making it a must-have for professional-grade masonry projects.







| Item thickness | 0.75 Inches |
| Item form | Rod |
| Item weight | 1 Pounds |
| Number of Items | 1 |
| Manufacturer | UPTTHOW |
| Part number | Fiberglass 19mm-1lb |
| Item Weight | 454 g |
| Package Dimensions | 26.8 x 18.9 x 5.2 cm; 453.59 g |
| Item model number | Fiberglass 19mm-1lb |
| Size | 19mm |
| Color | White |
| Item Package Quantity | 1 |
| Cutting Diameter | 0.75 Inches |
| Batteries Included? | No |
| Batteries Required? | No |
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