Repair & Renovation Guide 97 • All of the above apply. In addition, note the following: Both the preparation and the painting of the exterior surfaces is a complex process that is usually assigned to professionals. This is because the exterior of the buildings is not painted as frequently as the interior, due to the sheer volume of that work and also the procedures that need to be followed. Scaffolding, repairs with complexity, knowledge of application conditions concerning the condition of the substrate but also the prevailing conditions in the environment, are some of the important factors that will contribute to the success of the project. It is very important to check and restore, before painting, the sealants around all the door and window frames, at the penetration points of wood or metal railings, but also any detachments or cracks of grouts on and under the skirting boards or between tiles and marble. Just like the interior surfaces, also for the exterior as well, the preparation of the surfaces is crucial because the excellent final result depends on it. Skim coating The skim coating/skimming process of walls and ceilings is what covers any imperfections of the plaster and leaves surfaces perfectly smooth. Skim coated surfaces are then sanded, cleaned, and primed before painting. The paint applied on skimmed surfaces resembles silk and when lit, by natural or artificial lighting, it emphasizes the perfection of the application. This technique requires experience and skill and is usually assigned to a proven professional. DUROSTICK manufactures spackling pastes to cover imperfections and yield smooth interior and exterior surfaces. PREPARATION OF EXTERIOR SURFACES
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