The Tarco LeakBarrier ValleyFlash is a ice & water underlayment for jobs that require Tarco model/MPN LB340015 in the RL sell unit. LeakBarrier ValleyFlash is designed for use under composition shingles, shake applications, all types of tiles, as well as in metal roofing applications.

Key Specs

• Brand: Tarco
• Model / MPN: LB340015
• SKU: TARVF1
• Sell unit: RL
• Product type: Ice & Water Underlayment
• Size / color: 36" x 33'4"
• Category: Residential Roofing | Residential Roofing/Underlayment | Residential Roofing/Underlayment/Ice & Water Underlayment | Underlayment | Underlayment/Ice & Water Underlayment
• Coverage / unit: 1 squares (100 sq ft) per roll

Key Features

• Cost-effective
• Technologically advanced valley liner
• Versatile sheet; can be installed in a variety of applications
• Easier to work than metal

Coverage & How Much You Need

This item is listed as 1 squares (100 sq ft) per roll. Use the project takeoff, manufacturer installation instructions, and expected waste/overlap to confirm the order quantity.

Compatibility / Fitment

Use this item only when the brand, model/MPN, size/color, sell unit, and system type match the project specification. Do not substitute it for a different ice & water underlayment, pack size, color, membrane/system family, or installation condition without checking the manufacturer instructions.

FAQs

What exactly am I ordering?

Tarco LeakBarrier ValleyFlash, sold as RL, with SKU TARVF1 and manufacturer model/MPN LB340015.

What model or part number should I match?

Match model/MPN LB340015 and confirm the brand is Tarco. If the job spec lists a different model, size, color, or system family, hold for review.

What unit is the price based on?

This listing is built around the RL sell unit. Confirm the unit before comparing price, quantity, or coverage.

How do I estimate quantity?

Use 1 squares (100 sq ft) per roll, then add waste or overlap per the manufacturer instructions and the project design.

What should be checked before purchase?

Confirm the model/MPN, sell unit, size/color, jobsite condition, compatible system components, and any manufacturer installation limits before approving the order.

Roofing and exterior-envelope work can involve fall hazards, weather exposure, fumes, adhesives, and system-specific installation requirements; follow the manufacturer instructions, OSHA-safe work practices, and local code or use a qualified contractor.

Product Expert Notes

Choose this item when Tarco model/MPN LB340015, SKU TARVF1, and the RL sell unit match the project requirement. It is best treated as an exact-match material selection, not a generic substitute.