The Henry Pro-Grade 923 Butter Grade Silicone Roof Sealer is a multisystem accessories for jobs that require Henry model/MPN PG923W120 in the 2G sell unit. Pro-Grade 923 butter grade silicone roof sealer is an exceptionally versatile, tough yet flexible membrane that is easily brush or trowel-applied at thicknesses up to 1/4 in thick.

Key Specs

• Brand: Henry
• Model / MPN: PG923W120
• SKU: HEN9232
• Sell unit: 2G
• Product type: Multisystem Accessories
• Size / color: 2 gal
• Category: Commercial Roofing | Commercial Roofing/Commercial Roofing Accessories | Commercial Roofing/Commercial Roofing Accessories/Multisystem Accessories
• Coverage / unit: 2 gal per listed unit

Key Features

• Excellent repair material for many roofing substrates
• Seals flashings, fasteners, seams and drains
• Easily applied by brush or trowel up to ¼" thick on vertical or horizontal applications

Coverage & How Much You Need

This item is listed as 2 gal per listed unit. 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 multisystem accessories, pack size, color, membrane/system family, or installation condition without checking the manufacturer instructions.

FAQs

What exactly am I ordering?

Henry Pro-Grade 923 Butter Grade Silicone Roof Sealer, sold as 2G, with SKU HEN9232 and manufacturer model/MPN PG923W120.

What model or part number should I match?

Match model/MPN PG923W120 and confirm the brand is Henry. 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 2G sell unit. Confirm the unit before comparing price, quantity, or coverage.

How do I estimate quantity?

Use 2 gal per listed unit, 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 Henry model/MPN PG923W120, SKU HEN9232, and the 2G sell unit match the project requirement. It is best treated as an exact-match material selection, not a generic substitute.