im constructing a new house i need some to design a roof for me it should have the vent with nice and strong water and ice barriers. its a bit large roof so im looking for some one who have sample pictures for there previous work or a design models so i can choose amoung them, i have seen many companies but there designs are not good so im looking for a better one. anyone can tell me about a good contractor in Minneapolis plz let me know so i can continue my work