The GAF EnergyGuard Ultra Tapered ISO (X) 0.5″ to 1.5″, 4′ x 4′ is a tapered iso for jobs that require GAF model/MPN 4J22 in the PC sell unit. A high thermal value, sloped panel made of durable coated glass facers (CGF) bonded to a core of polyisocyanurate foam.

Key Specs

• Brand: GAF
• Model / MPN: 4J22
• SKU: GAFEGUITX
• Sell unit: PC
• Product type: Tapered ISO
• Size / color: (Y) 1.5″ to 2.5″, 4′ x 4′ 25 psi
• Category: Commercial Roofing | Commercial Roofing/Commercial Insulation | Commercial Roofing/Commercial Insulation/Tapered ISO

Key Features

• Properly designed and installed, EnergyGuard Ultra Tapered Polyiso Foam Insulation Systems virtually eliminate ponding water
• High thermal efficiency
• Easily installed with mechanical fasteners, hot asphalt, or loose-laid in a ballasted system
• Low point and letter codes are designated on each board
• Engineering design board layouts are available from your plans and field verified dimensions

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

FAQs

What exactly am I ordering?

GAF EnergyGuard Ultra Tapered ISO (X) 0.5″ to 1.5″, 4′ x 4′, sold as PC, with SKU GAFEGUITX and manufacturer model/MPN 4J22.

What model or part number should I match?

Match model/MPN 4J22 and confirm the brand is GAF. 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 GAF model/MPN 4J22, SKU GAFEGUITX, and the PC sell unit match the project requirement. It is best treated as an exact-match material selection, not a generic substitute.