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Henry Company 923 Pro-Grade Butter Grade Silicone Roof Sealant - 2 Gallon Pail, White
Regular price $234.00Orders start at $399 — combine any items to reach the minimum. Learn more
Henry Company 923 Pro-Grade Butter Grade Silicone Roof Sealant - 2 Gallon Pail, White
This is Henry Company's 923 Pro-Grade butter-grade silicone roof sealant supplied in a 2-gallon white pail. It is a heavy-bodied, trowel or butter-applied silicone sealant for commercial roofing details, and one pail lists coverage of approximately 6 sq ft. Pair it with compatible Henry silicone roof systems and flashing details.
Key Features:
- Butter grade: Butter-grade consistency designed for trowel or putty-knife application at flashing and detail work.
- Silicone chemistry: Silicone formulation for long-term weather resistance on roofing substrates.
- White finish: White color helps reflect heat on roof surfaces.
- 2-gallon pail: Supplied as a 2-gallon pail suited to commercial detailing quantities.
- Tested standard: Listed against ASTM D412.
- Commercial grade: Positioned as a pro-grade sealant for commercial roofing accessories.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Henry Company |
| Manufacturer model | 355321 |
| Sell unit | 1 pail, 2 gallons |
| Product line | Henry 923 Pro-Grade |
| Profile / style | Butter grade silicone roof sealant |
| Color | White |
| Coverage per unit | 6 sq ft |
| Sell unit content note | See Sell unit field |
| Material | Silicone |
| Weight | 19.68 lb |
| Applicable standards | ASTM D412 |
| Consistency | Butter grade (trowel-applied) |
| Algae resistance | No |
| Intended use | Commercial roofing detail and flashing sealing |
Coverage & How Much You Need:
The listing shows a coverage area of 6 sq ft per 2-gallon pail; actual consumption varies with film thickness applied at each detail. Size the job by linear feet of flashing and penetration details multiplied by the required applied width and thickness.
Fit and Compatibility:
Intended for use with Henry commercial roofing systems and compatible flashing, penetration and termination details. Substrate compatibility should be confirmed with Henry's technical data before application over other manufacturers' membranes or coatings.
Frequently Asked Questions (FAQ):
Q: What is included with the order?
A: One 2-gallon pail of Henry 923 Pro-Grade butter-grade silicone roof sealant in white.
Q: How much area does one pail cover?
A: The listed coverage area is 6 sq ft per pail, which reflects use as a heavy-bodied detail sealant rather than a full-surface coating.
Q: How is it applied?
A: Butter-grade consistency is meant to be applied with a trowel or putty knife into details and flashings, following Henry's application instructions.
Q: What standard does it meet?
A: The listing cites ASTM D412 as the applicable standard.
Q: What is it used for?
A: Sealing commercial roofing details such as flashings, penetrations and terminations where a heavy-bodied silicone sealant is required.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
Butter-grade silicone is the go-to choice for flashing boots, pitch pockets and termination bars where you need material that stays put without sagging. Apply at the thickness Henry specifies over compatible substrates, and confirm primer or adhesion requirements before detailing over unfamiliar membranes. Keep unused pails sealed, since silicone cures on moisture exposure.
Wear gloves and eye protection, work from stable roof access, and follow the safety data sheet and local code requirements during application.
Order the Henry Company 923 Pro-Grade butter-grade silicone roof sealant 2-gallon white pail for your next commercial roofing detail job.
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