Hiring Alpine to replace my roof became a nightmare. Two weeks after having the roof replaced, leaking started. Alpine said they had repaired the problem but a few days later we again had a leak, so we went into the attic ourself to see where the leaks was coming from and found a hole rotted through the plywood beside a roof vent. Alpine not only did not replace an obviously rotten board when doing the roof, they did not replace the roof vent with a proper exhaust vent, hung the exhaust pipe on a nail where it could rot the other side of the already rotten board and then shingled over all this. When we contacted Alpine with the pictures they promised to come out the next week and make all the repairs.
But before they could come to repair that, in a thunder storm we now had shingles flying off the house. We could now see that there was no underlay. We had paid for the 3ft ice barrier and underlay over the ENTIRE roof. We contacted Alpine immediately and were told "you have underlay where you need it" and they would not come and replace the whole roof starting with the "paid for" underlay. The employee hung up on me saying he was busy.
So with a roof not yet a month old one, we had to hire a second roofer to replace the roof.
When the Alpine roof was removed there was no underlay anywhere on the roof, just bare plywood. This time we replaced the missing board and installed the correct vents for bathroom exhausts.
I have since been told that the bldg code for the style of my roof must have underlay and exhaust vents correctly vented and the shingle warranty is void without, too. I'd caution home owners to watch the i stallions and be sure you get what you paid for.