Reddit reviews Oatey Roof flashing 14206 2" Collar ? Carded, For No-Calk? Roof Flashings can be used as a secondary seal for commercial and residential applications,Black
We found 2 Reddit comments about Oatey Roof flashing 14206 2" Collar ? Carded, For No-Calk? Roof Flashings can be used as a secondary seal for commercial and residential applications,Black. Here are the top ones, ranked by their Reddit score.
Use as a protective water shield (slides down over pipe)No caulking neededDo not use petroleum based products on rubber collarsNon-fading collar material
I have only used something like this http://www.amazon.com/gp/product/B001AZ46O0/ref=pd_lpo_sbs_dp_ss_2?pf_rd_p=1944687562&pf_rd_s=lpo-top-stripe-1&pf_rd_t=201&pf_rd_i=B0047WL9SE&pf_rd_m=ATVPDKIKX0DER&pf_rd_r=0E529687JA0SCSWFXAC9 to repair the top of the boot. These were super easy to install and have been working great for the past +10 tears
Have you been in the attic to see where its coming from?
Might be from a roof vent that is leaking. Most will last about the life of the roof but could have been damaged during install, squirrels, etc...
Very easy fix with something like these...
https://smile.amazon.com/Vent-Seal-Plus-Skirt/dp/B004LDYILO
https://smile.amazon.com/Oatey-Rain-Collar-No-Calk-Flashings/dp/B001AZ46O0
https://smile.amazon.com/PermaBoot-5531-3-Inch-Repair-Black/dp/B0047WL9SE
Take some pictures and post.