The Carlisle USG SECUROCK UltraLight Coated Glass-Mat 0.25" x 4' x 8' is a specialty coverboard for jobs that require Carlisle model/MPN 333170 in the PC sell unit. USG SECUROCK UltraLight Coated Glass-Mat Roof Board is a high-performance roof board for use in low-slope roofing systems.

Key Specs

• Brand: Carlisle
• Model / MPN: 333170
• SKU: CAR333170
• Sell unit: PC
• Product type: Specialty Coverboard
• Size / color: 0.25" x 4' x 8'
• Category: Commercial Roofing | Commercial Roofing/Coverboards | Commercial Roofing/Coverboards/Specialty Coverboard

Key Features

• Ideal for use as cover board in mechanically-fastened and adhered systems
• Lightweight core; up to 18% lighter than competitive products
• Moisture- and mold-resistant core and facer
• Provides protection from excessive foot traffic
• High quality mat makes for easier handling and cutting
• Fire-resistant – ideal for use as a fire barrier and thermal barrier

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 coverboard, pack size, color, membrane/system family, or installation condition without checking the manufacturer instructions.

FAQs

What exactly am I ordering?

Carlisle USG SECUROCK UltraLight Coated Glass-Mat 0.25" x 4' x 8', sold as PC, with SKU CAR333170 and manufacturer model/MPN 333170.

What model or part number should I match?

Match model/MPN 333170 and confirm the brand is Carlisle. 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 PC 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.

Verify the manufacturer instructions, local code, and project specification before installation or substitution.

Product Expert Notes

Choose this item when Carlisle model/MPN 333170, SKU CAR333170, and the PC sell unit match the project requirement. It is best treated as an exact-match material selection, not a generic substitute.