Sharkskin Ultra Synthetic Underlayment Light Gray 10 Square/Roll

The Sharkskin Ultra Synthetic Underlayment Light Gray 10 Square/Roll is a synthetic underlayment for jobs that require Sharkskin model/MPN P-ULTRA in the RL sell unit. SHARKSKIN ULTRA the Original synthetic roof underlayment developed in California and brought to market in 2001 to replace inferior tar paper and SBS underlayments, in concrete/clay roof tile installations.

Key Specs

• Brand: Sharkskin
• Model / MPN: P-ULTRA
• SKU: KIRUS
• Sell unit: RL
• Product type: Synthetic Underlayment
• Size / color: 10 Square/Roll
• Category: Residential Roofing | Residential Roofing/Underlayment | Residential Roofing/Underlayment/Synthetic Underlayment | Underlayment | Underlayment/Synthetic Underlayment
• Coverage / unit: 10 squares (1000 sq ft) per roll

Key Features

• SHARKSKIN ULTRA Is a high-performance roof underlayment for all metal, slate, shingle and tile roof battened and counter battened installations in new construction, remodeling and renovation
• SHARKSKIN ULTRA has a unique patented design that uses multiple layers of blended polypropylene to achieve: High tensile strength- for durable secondary moisture protection. High traction non-slip surface- for excellent grip and safe walking.
• Always use caution and fall protective gear especially in wet weather and windy conditions. 12 months UV resistance ICC-ES, Miami Dade and Florida Building Code approved All temperature performance -40F to 280F Light grey surface- cooler for installers

Coverage & How Much You Need

This item is listed as 10 squares (1000 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 synthetic underlayment, pack size, color, membrane/system family, or installation condition without checking the manufacturer instructions.

FAQs

What exactly am I ordering?

Sharkskin Ultra Synthetic Underlayment Light Gray 10 Square/Roll, sold as RL, with SKU KIRUS and manufacturer model/MPN P-ULTRA.

What model or part number should I match?

Match model/MPN P-ULTRA and confirm the brand is Sharkskin. 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 10 squares (1000 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 Sharkskin model/MPN P-ULTRA, SKU KIRUS, and the RL sell unit match the project requirement. It is best treated as an exact-match material selection, not a generic substitute.