As soon as the framers got the roof decking on, the roofers came by to do the “dry in.” Normally, this step would comprise laying down “ice shield” (a self-stick membrane) at the eaves of the roof and then “underlayment” (30 lb. asphalt impregnated felt paper or Feltex, a modern polymer equivalent). In our case, we laid down ice shield on the whole roof. It cost about $1000 more in materials, but is another layer of insurance against ice damming. Once the ice shield (or ice shield and underlayment) is put down, the house is dry. It can survive several months of weather with no problems. I’ll be happy to get the real roof on in a week or two, but it’s nice to know that weather is no longer an obstacle to progress on the job.
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