Is it dangerous to spray paint lacquer in an occupied home? The plan is to lacquer the cabinets so just wondering how dangerous is it and how long home owners should stay away?
I'll offer my opinion: don't do it. The fumes from lacquer are just too flammable to take a chance. Besides, lacquer is an evaporative finish, it will dry in some very cool temperatures. I've sprayed it outside (only place I'll spray it) in sub 40 temps before and it dried just fine, albeit slightly slower. Just my 2 .
Obviously these are fixed cabinets. Remove all the doors and drawers and due those in a shop. If it can be done by hand do so, less mess and hassle. If they must be sprayed in place, right after it is complete
heat must be applied for best adhesion in the first 24 hours, then you can take away the heat and just open windows a bit at put fans around to get rid of the fumes. Do not occupy the house for about 72 house after.
Any time that you are spraying with a catalyzed lacquer, you should be spraying with an air mask system. Water base is not quite as harmful. However, full venting of the area is a must and the fumes must be taken away from the area while it is drying. To spray in an occupied home is not recommended because of the reasons listed. However, instead of lacquer, you could use Flecto's Varathane Coating in waterbase or something similar. This would be more appropiate and safe if you must apply a finish with residents present.
Take the door and drawer faces and panels off like an above user stated. Use waterbased if at all possible depending on the layer below for anything sprayed inside but if not rent the big fans and create a negative air pressure. The amount of lacquer you will spray to cover cabinet edges and filler strips is small and no different than a refinished railing getting done. Obvious risks and no-one should live there when spraying in the house as it is a strong smell but in 3-4 days it doesn't fume any different than the doors and drawer you sprayed in your shop.
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