I am considering doing my roofing (DIY) with a product from Tamko called Stonecrest Slate.   Does anyone here have knowledge of this product pro or con.  Roofing will be done on SIPs panels and I plan on using the Tamko brand TW underlayment, in lieu of 30# felt.

http://www.tamko.com/ProductDisplayPage/tabid/53/ControlType/productDisplay/itemid/943/Default.aspx

Thanks

Bill

Bill,
 
Have used Gerard befoere on a couple jobs

http://www.gerardusa.com/

Thanks Chris