Did it all
I downloaded an app to measure sound from the App store. Then I did a few things to my door.
1. Installed insulation 65-67 Db $116 Lowe's 2 kits
2. Installed new nylon rollers with sealed bearings. 64-65 Db $24 Lowe's
3. Installed new springs and balanced door (mine were 11 years old) 64-65 Db $110
4. Installed Chamberlain B1381 opener 57-58 Db $287 (Lowe's on sale)
I did not think to measure at the start and I did all the labor myself. Nothing was super hard to do, just took time. THANK YOU YOUTUBE The springsI I got from Express Garage Door.They would have been $77 at Lowe's but I was not sure what size I needed and Lowe's did not sell the winding rods that were included at Express. I did lube everything when finished. There are some dangerous things listed above so don't try some of them unless you are mechanically inclined.
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