The Karnak 799 Wash-N-Prep Roof Cleaner is a specialty cleaners & primers for jobs that require Karnak model/MPN 799-1QT in the QT sell unit. 799 Wash-n-prep roof cleaner is a concentrated liquid TSP substitute product specifically designed to clean roof surfaces prior to applying coatings

Key Specs

• Brand: Karnak
• Model / MPN: 799-1QT
• SKU: KARWPQT
• Sell unit: QT
• Product type: Specialty Cleaners & Primers
• Size / color: 1 quart
• Category: Commercial Roofing | Commercial Roofing/Cleaners & Primers | Commercial Roofing/Cleaners & Primers/Specialty Cleaners & Primers

Key Features

• Use to properly prepare metal, asphalt, concrete spray polyurethane foam, TPO, PVC and in general cleaning of exterior surfaces. Contains no phosphorous.
• Available in 1 Quart bottles (32 ounces) – 6 Quarts per case
• Causes serious eye damage. Causes skin irritation. Wash thoroughly after handling

Coverage & How Much You Need

Coverage or yield is not specified in the available product details. Use the manufacturer installation instructions and project takeoff before converting the job size into 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 specialty cleaners & primers, pack size, color, membrane/system family, or installation condition without checking the manufacturer instructions.

FAQs

What exactly am I ordering?

Karnak 799 Wash-N-Prep Roof Cleaner, sold as QT, with SKU KARWPQT and manufacturer model/MPN 799-1QT.

What model or part number should I match?

Match model/MPN 799-1QT and confirm the brand is Karnak. 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 QT sell unit. Confirm the unit before comparing price, quantity, or coverage.

How do I estimate quantity?

Coverage or yield is not specified in the available product details. Use the project takeoff and manufacturer instructions before estimating quantity.

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 Karnak model/MPN 799-1QT, SKU KARWPQT, and the QT sell unit match the project requirement. It is best treated as an exact-match material selection, not a generic substitute.