The perfect skin for your wood construction will protect the substrate from harsh environmental conditions and ensure a long lifetime of the wood. However, this requires not only the right treatment of the wood, but also the correct preparation before the paint system is applied.
It all begins with the right choice of wood. You shouldavoid using wood with knots or separation of heart- andsapwood. If possible, switch to "uncomplicated" woodspecies like spruce in the opaque segment, as the naturaldurability is the same as for scantlings made of pine orlarch with a sapwood content of more than 5%. Furthermore,it is very important to use sharp knives in the planingand wood working area to minimize the fibre risingand the sanding.
Impregnating and priming After the proper woodworking, the impregnation and/orprimer is applied. Hardwoods can be treated directly withthe primer. For opaque systems on porous wood the useof a pigmented white primer is recommended in order toachieve good pore filling from the start. Softwoods oftenhave the problem that their absorbtion is higher in someareas than in others. Especially when it concerns darktranslucent colour shades, this could lead to spottiness onthe surface. However, in order to avoid this risk, you coulduse impregnation as a first step. This helps to protect thewood against rot and blue stain and gives the primer amore even look. If your focus is more on sustainability and a "green" product, you could also use our sanding primer
as a first step. This product ensures that the differentabsorbtion across the wood is equalized. This also has thebenefit of reducing the amount of sanding in the followinglayers, as the fibres are hard enough to sand after thesanding primer. If the initial woodworking was good,additional sanding is not needed.
The right parameters for perfect results In order to achieve a good runoff after dipping or flowcoating, it is vital to have the right basic parameters. It isimportant to hang the parts up at no less than 15° anglesto allow the surplus material to run off. As the runoff requiresa certain time, high humidity of at least 60% aswell as less air movement is required in the first 20 minutesof drying. After this "flash off zone", a higher temperatureand more air movement can speed up the drying.It is important to stick to the drying times which arestated in the Technical Data Sheet to avoid the risk of badadhesion of the following layers.In order to avoid the risk of bacterial contamination,please make sure that you store the material in a closedtank or barrel and carry out a good cleanup of the tanks and machines at least twice a year.