Z-speed rated tires. â¦tires were all Z-speed rated. They were tested at some speed above 149 mph. In order to be more precise, tire manufacturers started testing at 168 mph (W-speed rating) and 186 mph (Y-speed rating). In the above picture you'll see 91W to the right of the size. The W of the 91W means the above Yokohamaâ¦.
I get this question many times and it is my opinion that the old felt should be removed and not covered over. I donât know why some roofers say âleave it onâ. I seem to me if you are going to the trouble of removing the shingles, you now have a chance to do repair on the roof deck by removing all the old felt.
I have been at the bedside of too many I have loved at the time of their passing. This is what I have learned from those who passed, who I love still, and still miss: Get your stuff in order and don't leave the material burdens of your life for those who love you. Your absence will be painful enough; dealing with your stuff is overwhelming to those mourning your absence.