The Tarco LeakBarrier MS300 Ice & Water is a ice & water underlayment from Tarco for exact-match material ordering. Match manufacturer model/MPN LB741089. This variant is sold as RL with SKU TARMS3001. LeakBarrier MS300 Ice and Water Armor is a glass fiber reinforced, self-adhesive modified bituminous roofing underlayment for use under slate and asphalt shingles.

Key Specs

• Brand: Tarco
• Model / MPN: LB741089
• SKU: TARMS3001
• Sell unit: RL
• Product type: Ice & Water Underlayment
• Size: 1 SQ/RL
• Category: Residential Roofing | Residential Roofing/Underlayment | Residential Roofing/Underlayment/Ice & Water Underlayment | Underlayment | Underlayment/Ice & Water Underlayment

Key Features

• Skid resistant surface provides improved footing
• Release film peels off for easy installation and handling
• 30 day exposure limit
• Adheres directly to concrete, plywood, wood composition board and gypsum sheathing
• Self-sealing around nails, preventing moisture penetration
• Meets ASTM D1970

Coverage & How Much You Need

Confirm coverage/yield from the manufacturer instructions and job takeoff before ordering.

Compatibility / Fitment

Use only with compatible systems and installation conditions specified by the manufacturer.

FAQs

What exactly am I ordering?

Tarco LeakBarrier MS300 Ice & Water, sold as RL, SKU TARMS3001, manufacturer model/MPN LB741089.

What unit is the price based on?

The price is for the RL sell unit.

What should I match before ordering?

Match brand, model/MPN where available, size/color, sell unit, and the project specification.

Can this be substituted?

Treat this as an exact-match building material selection; hold for review before substituting a different model, color, size, or system family.

How do I estimate quantity?

Use the project takeoff plus manufacturer installation instructions, including waste, overlap, and accessory requirements.

Follow manufacturer instructions, OSHA-safe work practices, local code, and project specifications.

Product Expert Notes

Choose this variant when Tarco, SKU TARMS3001, RL sell unit, and MPN LB741089 match the job requirement.