APOC Weather-Armor CX-L CrossOver Hybrid Roof Underlayment 4.5 SQ/RL

The APOC Weather-Armor CX-L CrossOver Hybrid Roof Underlayment 4.5 SQ/RL is a synthetic underlayment for jobs that require APOC model/MPN AP-6500-45 in the RL sell unit. CrossOver CX-L Premium Hybrid Roof Underlayment is a high quality roofing underlayment designed to shed water off your roof and away from your home or building.

Key Specs

• Brand: APOC
• Model / MPN: AP-6500-45
• SKU: APOWACXU45
• Sell unit: RL
• Product type: Synthetic Underlayment
• Size / color: 37-1/4″ x 145′
• Category: Residential Roofing | Residential Roofing/Underlayment | Residential Roofing/Underlayment/Synthetic Underlayment | Underlayment | Underlayment/Synthetic Underlayment
• Coverage / unit: 4.5 squares (450 sq ft) per roll

Key Features

• Roof underlayments perform a vital role in protecting your home or building against damage from wind, moisture, rain, UV and other destructive elements
• Whether it is wind, water or UV damage, CrossOver CX-L provides the most advanced protection in its class.

Coverage & How Much You Need

This item is listed as 4.5 squares (450 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?

APOC Weather-Armor CX-L CrossOver Hybrid Roof Underlayment 4.5 SQ/RL, sold as RL, with SKU APOWACXU45 and manufacturer model/MPN AP-6500-45.

What model or part number should I match?

Match model/MPN AP-6500-45 and confirm the brand is APOC. 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 4.5 squares (450 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 APOC model/MPN AP-6500-45, SKU APOWACXU45, and the RL sell unit match the project requirement. It is best treated as an exact-match material selection, not a generic substitute.