Berger-Seidle

About

Berger-Seidle is a German manufacturer of waterborne floor finishing systems built for high-traffic timber floors, and this collection brings the AquaSeal range together for the Australian trade. The core of the system is a set of waterborne lacquers - the 2K polyurethane AquaSeal CeramicStar for commercial-grade wear, plus 1K options such as SmartHome, GreenStar and the low-sheen NordicWhite for residential floors. Which finish you choose usually starts with the substrate: dense Australian hardwoods like spotted gum, blackbutt and ironbark can bleed tannins and resist adhesion, so most builds begin with AquaSeal FlexPrimer as an isolating base coat before the lacquer goes on. Board gaps and checking are handled with the PAKStop and Pafuki gap filler mix, while colour comes from Classic BaseOil Color or ExpressStain . For system background and application notes, see the Berger-Seidle brand page . How to choose Match the product to the traffic and the timber. The full waterborne line-up sits in our AquaSeal water-based systems collection. Commercial or heavy traffic: reach for the 2K CeramicStar system, which cures harder and resists abrasion and rolling loads better than a single-pack film. Residential and DIY: 1K lacquers like SmartHome and GreenStar apply straight from the tin with no hardener - see our 1K vs 2K hardener guide . Dense or tannin-rich hardwood: prime with FlexPrimer to control tannin bleed and side bonding, as covered in our blackbutt tannin bleed fix . Whitewashed or Nordic look: NordicWhite in ultramatt holds a pale, low-sheen finish without heavy yellowing. Gaps and fine cracks: mix PAKStop trowel filler with Pafuki powder for a flexible, sandable fill that moves with the floor. Frequently asked questions What is the difference between 1K and 2K AquaSeal lacquers? 1K lacquers such as SmartHome and GreenStar are ready to use straight from the tin. 2K lacquers like CeramicStar are mixed with a hardener before application, which cross-links the film

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