Master Builders MasterSeal SL 1 Limestone 30oz Cartridge

$19.85

MasterSeal SL 1 is one component, non-priming, self-leveling elastomeric polyurethane designed for expansion joints in concrete floors and decks. Use it where flexibility as well as abrasion and puncture resistance are required.

Movement capability of ±35% allows expansion and contraction
Abrasion resistant to provide for longer wearing and durability
Self-leveling sealant, no tooling needed

Availability: Out of stock

SKU

20694

MasterSeal SL 1 is a high-quality, one-component, self-leveling, polyurethane sealant, specifically engineered for the sealing of expansion joints in concrete floors and decks. Ideal for both commercial and residential applications, this product stands out for its ease of application and its ability to effectively accommodate movement in joint areas. MasterSeal SL 1 is designed to provide a durable, flexible, and weather-resistant seal, making it a reliable choice for a variety of indoor and outdoor sealing needs.

The technical prowess of MasterSeal SL 1 is evident in its robust performance metrics. The product exhibits a tensile strength of approximately 200 psi and an impressive elongation capacity of up to 800%, ensuring it can handle significant joint movement and stress. It is formulated to be applied in temperatures ranging from -40°F to 120°F, accommodating a wide range of environmental conditions. The sealant's weatherability contribute to its long service life, often exceeding 10 years under normal conditions. It is also designed to resist aging, weathering, and thermal cycling without hardening, cracking, or shrinking.

Uses
Interior and Exterior Horizontal Joints
Expansion joints
Control joints
Pavers
Plaza decks
Industrial floors
Driveways/garages
Sidewalks
Decks
Parking structures
Pitch pans

MasterSeal SL 1 is highly suitable for horizontal applications, particularly in sealing horizontal expansion joints in concrete and cementitious slabs. Its self-leveling property ensures a smooth, level finish without tooling, making it user-friendly for professionals and DIY enthusiasts alike. This sealant bonds well to concrete, masonry, aluminum, wood, and certain plastics, enhancing its versatility across different substrates. The surface to be sealed should be clean and dry to ensure optimal adhesion. Its curing time varies based on temperature and humidity, but typically it skins over within 1-2 hours and fully cures within a few days.

Consistent with contemporary environmental and health standards, MasterSeal SL 1 is formulated with low volatile organic compounds (VOCs), ensuring it is environmentally friendly and safe for indoor use. The product is compliant with various environmental certifications, reflecting its commitment to sustainability. Users are advised to wear appropriate safety equipment during application and to follow the safety instructions provided in the product datasheet. Adequate ventilation is recommended in enclosed spaces to maintain a healthy application environment. See datasheet for more information.