25/03/2022
Surface preparation:
Step 1: Scraping - scrape all loose and flaky paint
Step 2: 1st sand with 40-80 grit sanding pad, then sand with 100-120grit sanding pad
Step 3: Wash all sanded surfaces
Step 4: Undercoat - A solid, full undercoat should be applied taking care to fill the timber grain on the bare patches. Fillers of different types can be applied, sanded and then re-undercoated.
Step 5: Apply 2 top-coats
Importance of surface preparation:
- Get a flat finish
- To protect the weather board from elements making your paintjob last longer
- Gives a sound surface for the paint to adhere to.
-Surface preparation is just what it sounds like. It’s preparing a surface for painting.
- Surface prep is cleaning your surface; It is scraping, repairing and sanding your surface and finishing with a good quality primer.
- The cleanup consists of removing built-up dirt, grease, mildew and everything else from the area. This may not always be easily seen or easily cleaned.
- Old paint and uneven edges must be scraped away.
- Cracks and holes need to be filled and then the entire surface sanded to form an even and smooth surface.
- A primer must be chosen that works best with the material and evenly applied.
- Surface preparation is time-consuming but skipping it would not do any favors to the overall painting job.
- Durability of any painting coat depends upon complete and careful preparation of the surface before painting.
- The surface should be even and smooth. Any cracks, and holes or any other imperfections do not let the paint adhere correctly to the surface.
- Inadequate surface preparation results into majority of paint failures.
- Different surfaces (wood, plaster, metal, etc.) can require a different paint preparation procedure.
Yes, you can cut a lot of corners and quickly make any surface presentable. But, if you wish for your paint job to stand the test of time, proper surface preparation is the key. For this, you will need the right expertise and willingness to take time to do it right the first time.
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