This is when most rapid changes in prenatal development occur. All the major organs and body structures start developing during this short period. The baby is also extremely vulnerable during this time and miscarriages are the most common during the first 13 weeks if pregnancy, says the March of Dimes.
Determining the Substrate. The first step in painting any metal roof is determining what substrate and existing coatings you are dealing with. This is a huge factor in what coating system youâll want to use and is critical to determining how to prepare the existing surface.
This will not only remove scaling rust but will also remove loose paint. If there is any mold or algae on the roof, add some bleach to the TSP mixture. When the roof is clean, spot prime all rusted areas with a good rust inhibitive roof primer and apply 2 coats of Calbar's Showerproof WB metal roof paint. This application will last for at least 10 years.