Sam Jin General Supply Stores have the friendlist people working for them and they get the job done.
If they don't have the material you need in there store they will find what you are looking for at another supply store. So that you can get the job done.

They actually give you the piece of mind and let you choose the right products for your roofing needs. Also they have 4 stores that are located in Sacramento, Vallejo, Fresno and Oakland, Just stop by there and say hello you'll know what I mean....