LG840 gives you unmatched flexibility on every job. With up to 24 hours of open working time — far longer than standard carpet adhesives — you can take your time laying out tiles, matching patterns, and making adjustments without rushing. Simply roll it on with a standard wool roller, wait 30–60 minutes until tacky, and start laying. And with 8 m² per liter coverage, one 20L bucket covers up to 160 m² — excellent value that keeps your project budget on track. Faster setup, longer working time, better coverage.
LG840 is the smart choice for occupied spaces and sensitive environments. Its water-based dispersion formula contains zero harmful solvents, so there are no strong chemical fumes to worry about — and once dry, it's completely odorless. It's also non-flammable, making it safer for job sites, storage, and transport. Tools clean up easily with soap and warm water before the adhesive cures, so there's no messy solvent cleanup required. Safe for installers, safe for occupants, and easy on the environment.
LG840 delivers more than just easy installation — it delivers long-lasting performance. Its excellent plasticizer migration resistance prevents adhesive breakdown from vinyl-backed carpet tiles, so your floor stays flat and secure year after year — no curling edges, no lifting tiles. The pressure-sensitive peelable bond allows easy repositioning during installation, yet forms a strong, durable bond once cured. Backed by German technology and ISO 9001 certified quality, LG840 is the reliable adhesive solution for professional carpet tile installations that stand the test of time.
Raw material foundation | Based on decentralized |
Working hours | 24h |
coverage | 8㎡/L |
detergent | Heat with soapy water before the adhesive begins to dry |
storage time | 1year |
Guangdong, China – 2026 – China Construction Eighth Engineering Division Corp., Ltd., the Guangdong Flooring Association and LANGUAN recently signed a strategic cooperation agreement in Guangdong.
Zhengzhou, China – April 2026 – LANGUAN is advancing the development of a new manufacturing project in Zhengzhou, Henan Province, as part of its continuing investment in production capacity and regional supply capabilities.
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