Ddp 99112876 Multi-purpose Foam Sealant 12 Oz Black Hvac

Product Description

The DDP SPECIALTY ELECTRONIC MATERIALS 99112876 is a 12-ounce, black, minimal expanding foam sealant designed for air sealing, gap filling, and insulation across a wide range of trade and service applications. Dispensed through a Smart Dispenser for controlled application, this polyurethane foam fills and seals gaps up to 0.75 inches wide. Once cured, the foam is rigid, water resistant, and fully workable — it can be trimmed, sanded, and painted to match surrounding surfaces. HVAC technicians, plumbers, electricians, and general contractors rely on this sealant for service penetrations and envelope sealing tasks where precise, low-expansion fill is required.

This sealant is suited for both interior and exterior use. Common applications include HVAC ductwork penetrations, service penetrations through walls and floors, RV and vehicle undercarriages, and marine environments. Its black color makes it appropriate for applications where the cured foam will be visible against dark substrates or where aesthetics require a non-white finish. The minimal expanding formula reduces the risk of over-expansion in confined or finished spaces, making it a practical choice for retrofit and new construction work alike.

Key Features

• Fills and seals gaps up to 0.75 inches wide
• Minimal expanding formula — reduces over-expansion risk in tight spaces
• Rigid cure that can be trimmed, sanded, and painted after drying
• Water resistant — suitable for interior and exterior applications
• Smart Dispenser for controlled, precise application
• Black color — appropriate for ductwork, undercarriages, and visible dark-substrate installs

Compatibility

Designed as a general-purpose foam sealant for use in residential and commercial HVAC, plumbing, electrical service penetrations, ductwork sealing, RV and vehicle undercarriages, and marine applications.

Installation Notes

Application should be performed by qualified HVAC technicians, plumbers, electricians, or contractors following applicable building and mechanical codes, including IFGC and IPC requirements for penetration sealing. Surfaces should be clean and free of loose debris before application; light moisture can aid foam cure. Wear gloves and eye protection during use, as uncured foam bonds aggressively to skin and most surfaces. Allow full cure before trimming, sanding, or painting.