Akfix 892 Black Spray Foam Sealant 12 Pack - UV Resistant Foam

In this review the Akfix 892 Black Spray Foam Sealant is assessed for homeowners, RV owners, and landscapers who need a tough, weather-ready expanding foam for sealing and insulation. The biggest reason to consider it is its blend of quick tack-free time and outdoor durability: it becomes tack-free in about 6 minutes and fully cures in 24 hours, which makes jobs move faster while still offering waterproof and UV resistant performance suitable for mobile and exterior use.

Key Features

• Seals gaps and cracks: The foam tightly fills openings to help prevent drafts and reduce heating and cooling losses around doors, windows, and joints.
• Sound and temperature insulation: It reduces noise transmission and supports more consistent indoor temperatures in both homes and vehicles.
• Outdoor and RV ready: Formulated for exterior exposure and mobile applications, it resists outdoor conditions and is designed to cure reliably across a wide temperature range.
• Fast tack-free and cure times: Becomes tack-free in about 6 minutes and fully cures in 24 hours, helping save time on installation and follow-up work.
• Trades-friendly uses: Useful around plumbing, electrical, and HVAC penetrations where it seals around pipes, cables, and vents to keep out dust and pests.
• UL certified safety: Meeting UL standards gives added assurance about the product safety and manufacturing quality.

Who It's For

Akfix 892 is a good match for RV owners, landscapers working on ponds or waterfalls, and homeowners needing a durable outdoor or perimeter seal. The 12-pack of 12 oz. cans suits contractors or DIYers who do multiple small- to medium-sized sealing jobs and value consistent, weather-resistant performance.

Those who need precise bead control on extremely small trim or who prefer solvent-free, non-expanding gap fillers for delicate finishes might look elsewhere; some customers report mixed experiences with how the foam expands and with ease of use depending on the application.

Pros & Cons

Pros

• Provides effective insulation and sealing to reduce drafts and energy loss.
• Fast tack-free time and full cure in 24 hours speeds project timelines.
• Designed for outdoor and RV use with UV resistance and waterproofing for exposed installations.
• UL certified, which supports safety and quality expectations.

Cons

• Foam expansion and application control can be mixed depending on user technique and the specific gap size.
• 12 oz. cans are best for small to medium jobs and may be inefficient for very large fills.

Specifications

Product type	Polyurethane expanding spray foam
Pack size	12 cans (12 oz. each)
Cure time	Tack-free ~6 minutes, fully cures in 24 hours
Resistance	UV resistant and waterproof
Intended uses	RV, outdoor, plumbing, electrical, HVAC sealing
Safety	UL certified

Our Verdict

Akfix 892 Black Spray Foam Sealant is a practical, value-oriented choice for anyone needing a weatherproof, UV resistant expanding foam for RVs, outdoor features, and general sealing tasks. Its quick tack-free time and UL certification make it reliable for repeated small jobs, though users should plan for expansion control and expect the 12 oz. size to be best for targeted repairs rather than massive fills.

Frequently Asked Questions

Is this product suitable for outdoor use?
Yes, it is formulated to be UV resistant and waterproof for exterior and mobile applications.

How long until the foam is fully cured?
The foam becomes tack-free in about 6 minutes and fully cures within 24 hours under normal conditions.

Can it be used around plumbing and electrical penetrations?
Yes, it is suitable for sealing around pipes, cables, vents, and similar installations to keep out dust and pests.