{"id":10499,"date":"2026-10-03T19:00:22","date_gmt":"2026-10-03T22:00:22","guid":{"rendered":"https:\/\/koria.com.br\/?p=10499"},"modified":"2026-10-01T10:55:59","modified_gmt":"2026-10-01T13:55:59","slug":"massa-para-madeira-ou-reparo-a-quente","status":"publish","type":"post","link":"https:\/\/koria.com.br\/en\/massa-para-madeira-ou-reparo-a-quente\/","title":{"rendered":"Como reparar lascas, riscos e batidas em m\u00f3veis sem repintar a pe\u00e7a"},"content":{"rendered":"

Loose knots, cracks, splits, and chips are part of working with wood. In furniture factories, joinery production, or carpentry shops, the question is always the same: how to correct the defect without delaying production and without the repair being visible after finishing? The most well-known answer is wood filler. But it's not the only option.<\/p>\n

Quick answer:<\/strong> Traditional wood filler works well for spot repairs, but it needs drying time before sanding. Hot repair, like the Wood Repair system, uses a stick melted by a gun that hardens as it cools. Therefore, the repair can be cut, sanded, and finished immediately afterward, which makes a difference in production environments.<\/p>\n

What is hot wood repair?<\/h2>\n

Hot repair is a filling method in which a solid rod is heated in a gun and applied molten directly to the defect. As it cools, the material hardens and becomes fixed in the wood.<\/p>\n

According to the manufacturer Wood Repair<\/a>, The material is solvent-free and cures by cooling, not evaporation. It is also flexible, allowing it to accommodate the natural expansion of wood without cracking, and is water-repellent, making it suitable for use in both interior and exterior applications.<\/p>\n

In Brazil, KORIA offers the complete system in Pro Wood Repair Kit<\/strong>, with sticks in four shades (Pine, Oak, Walnut and Black) to match the color of the repair to that of the wood.<\/p>\n

Wood filler vs. hot repair: a comparison<\/h2>\n

The main difference lies in the time: the putty needs to dry, while the hot repair only needs to cool down.<\/p>\n\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n\n
Criterion<\/th>\nTraditional wood filler<\/th>\nWood Repair<\/th>\n<\/tr>\n
How does it harden?<\/td>\nAir drying<\/td>\nCooling of the applied material<\/td>\n<\/tr>\n
Time until sanding<\/td>\nIt depends on the size and depth of the repair.<\/td>\nImmediately after cooling and cutting off the excess.<\/td>\n<\/tr>\n
Equipment<\/td>\nSpatula<\/td>\nCooling gun, plate or block, and cutting tool<\/td>\n<\/tr>\n
Humidity<\/td>\nIt varies depending on the formula; many require finishing to seal.<\/td>\nWater repellent, according to the manufacturer.<\/td>\n<\/tr>\n
Best-case scenario<\/td>\nOccasional and one-off repairs<\/td>\nMass production and frequent repairs<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

How to repair knots and cracks with Wood Repair: step by step<\/h2>\n

Hot repair has five steps, all covered by the tools in the Pro Wood Repair Kit.<\/p>\n

    \n
  1. Application:<\/strong> Insert the stick into the gun, wait for it to heat up, and apply the melted material directly to the knot, crack, or damaged area;<\/li>\n
  2. Cooling and compression:<\/strong> Immediately after applying, press the material with the cooling plate or block and wait for it to harden completely;<\/li>\n
  3. Cut out the excess:<\/strong> When the plate or block easily detaches from the surface, remove the excess with the cutting tool;<\/li>\n
  4. Leveling:<\/strong> Sand the repair manually or with a sander until it is level with the wood;<\/li>\n
  5. Finish:<\/strong> Apply a wood-compatible treatment, such as oil, varnish, lacquer, stain, or paint.<\/li>\n<\/ol>\n

    Tip:<\/strong> The manufacturer recommends conducting an adhesion and compatibility test before use in production, because the wood species, finish, and environmental conditions influence the result.<\/p>\n

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    Where to use hot repair<\/h2>\n

    THE Pro Wood Repair Kit<\/a> It is suitable for furniture, panels, doors, windows, floors and woodwork. It repairs knots, cracks, splits, chips, small holes and surface defects.<\/p>\n

    In practice, this includes furniture manufacturers, flooring producers, and carpentry shops that work with volume.<\/p>\n

    What's included in the Pro Wood Repair Kit?<\/h2>\n