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Impacta Adhesives


Impacta T-440 Adhesive for CeraZorb, VC300 & LVT & Vinyl flooring DESCRIPTION: Impacta T-440 adhesive is a high-performance acrylic adhesive designed for bonding CeraZorb & VC300 installations.t440 The hard-setting feature of Impacta T-440 resists indentation from static and rolling loads, and helps to restrict thermal movement of the finished floor. With its superior bond and low odor, it is ideal for use in residential and commercial installations.


• Do not install over any substrates containing asbestos. •

For interior installations only •

Do not apply over any adhesive residues, including cutback adhesive. • Do not install when the moisture vapor emission rate (MVER) exceeds 5 lbs. per 1,000 sq.ft. (2,27 kg per 92,9 m2) per 24 hours, when using the anhydrous calcium chloride test (ASTM F1869).

• Do not install when the relative humidity (RH) of the concrete slab exceeds 80% (ASTM F2170).


• Exterior-grade plywood, Group 1, CC type

• Other approved underlayments, including CeraZorb® and Impacta-ProBase • Concrete and properly prepared cement terrazzo

• Properly prepared and primed gypsum underlayments that meet the ASTM F2419 requirements

• Approved for use over VC300 to install LVT SURFACE PREPARATION: The subfloor must be structurally sound, flat, smooth, dry and clean, and free of dust, dirt, oil, grease, paint, curing agents, concrete sealers, loosely bonded toppings, loose particles, old adhesive residues, and any other substance or condition that may prevent or reduce adhesion. Note: VC300 offers no leveling, and care must be taken in floor preparation to avoid imperfections showing in the vinyl flooring.

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