LeakBarrier MS300 Ice and Water Armor, 2-Square Pack
- Mfg.#
- MS300-2SQ
- Sku#
- 3024817
- Skid resistant surface provides improved footing
- Release film peels off for easy installation and handling
- Adheres directly to concrete, plywood, wood composition board and gypsum sheathing
- Self-sealing around nails, preventing moisture penetration
* Estimated stock levels as of Sat, Apr 11, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.
Description
LeakBarrier MS300 Ice and Water Armor is a glass fiber reinforced, self-adhesive modified bituminous roofing underlayment for use under slate and asphalt shingles. Mineral granules on the upper surface provide enhanced skid resistant properties.
LeakBarrier MS300 Ice and Water Armor helps to protect a building’s deck or internal structure against leaks caused by ice and water damming and wind-driven rain. It is highly effective in critical roofing areas such as valleys, ridges, coping joints, chimneys, vents, dormers, skylights and low-slope sections.
65-foot size=2 square package.
Specifications
General
| Color | Black |
|---|---|
| Type | Underlayment |
Dimensions
| Length | 65 ft |
|---|---|
| Square Feet | 180 |
| Thickness | 56 mil |
| Width | 36 in |
Label Information
| Certification, Codes, Standards | ASTM D1970, ICC-ES ESR-2116, UL Prepared Roofing Accessory File No. R16744 |
|---|