Environmental Waterproof Sealant Mastic

FEATURES

EXCEPTIONAL SEALING PERFORMANCE: Forms an airtight and watertight barrier around pipes, conduits, and wall penetrations. The mastic's high-density composition expands slightly upon application to fill microscopic gaps, preventing water seepage and air leakage. Ideal for basements, bathrooms, and outdoor installations where humidity control is critical.

STRONG ADHESION TO MULTIPLE SURFACES: Bonds securely to wood, concrete, metal, PVC, and drywall without requiring primers. The modified polyurethane formula creates a flexible yet durable seal that resists peeling or cracking under temperature fluctuations. Perfect for both new construction and retrofitting projects.

RAPID CURE TIME FOR EFFICIENT HOME REPAIRS: Minimizing downtime during repairs. The fast-setting characteristic allows immediate restoration of water supply or electrical systems after application, reducing inconvenience for homeowners and contractors alike.

ECO-FRIENDLY FORMULATION WITH LOW ODOR EMISSIONS: Contains no volatile organic compounds or toxic additives, making it safe for indoor use near living spaces. The non-flammable and non-corrosive properties ensure protection for sensitive materials while maintaining indoor air quality during and after application.

INSECT-RESISTANT PROPERTIES TO PREVENT PEST INFESTATION: The dense, non-porous texture creates an impenetrable barrier that deters rodents and insects from entering through small gaps. Particularly effective around plumbing penetrations where pests commonly gain access to interior spaces.

SPEC

Dimensions: 10.6 * 6cm

Materials: Polydimethylsiloxane, polyurethane, silica, methyl methacrylate, epoxy resin

PACKAGE INCLUDES

1 * Environmental Waterproof Sealant Mastic

NOTE

Ensure surfaces are clean, dry, and free of dust or grease before application.

Maintain temperature above 5°C for optimal curing; avoid water exposure during initial set.

Keep sealed in original packaging in a cool, dry place to prevent premature hardening.

Use gloves during application; wash hands thoroughly after contact with uncured mastic.