only way is reframe the trusses..

shingle roof should at least 3/12, your roof too flat, roll roof only way to go, should at least recoat once a year.

if you decide to reroof, raise the trusses.

所有跟帖： 

• 多謝班長！coat的材料名是什麽？可以自己做嗎？ -VanSmallLandlord- ♂ (0 bytes) () 05/22/2012 postreply 07:43:02

• roof coating. -jy101- ♂ (111 bytes) () 05/22/2012 postreply 08:04:24