The problem turned out to be you ve likely guessed it the ice and water installed by his roof contractor.
Ice guard roofing membrane.
Grace ice water shield self adhered roofing underlayment is a premier membrane composed of two waterproofing materials an aggressive rubberized asphalt adhesive backed by a layer of slip resistant coated high density cross laminated polyethylene film.
A roofing ice guard is a thick rubber membrane that is applied directly to the wooden deck of a roof prior to installing shingles but after installing the roof drip guard.
For pricing and availability.
United roofing gator skin synthetic roof underlayment 42 in x 285 8 ft 1 000 sq ft synthetic roof underlayment.
It delivers all the advantages of grace ice and water shield roofing underlayment with thermal stability metal and tile.
Grace ice and water shield ht fully adhered smooth grace ice and water shield ht fully adhered smooth surface roofing underlayment is specifically designed for high temperature applications such as metal and tile roofs.
By creating a barrier at the most vulnerable areas of your roof at the eaves and rakes in valleys around chimneys etc weatherwatch leak barrier will help prevent leaks due to water backing up in your gutters wind driven rain and in the north damaging ice dams.
Ice and water protectors sometimes called ice and snow shields in cold climates are made with polymer modified bitumen.
Can be left exposed for up to 120 days.
Grace ice water shield 36 in x 75 ft 200 sq ft rubber roof underlayment.
It comes with a strong self adhesive backing that is used for installation.
The ice and water shield is an amazing roofing product that was first introduced in the 1980s.
Ice and water protector sometimes also referred to as ice and water shield is a waterproof roof underlayment membrane developed to protect vulnerable areas on a roof from ice and water damage.
If you have a roof that you know to be older than 1980 it won t have this great product under the shingles.
For pricing and availability.
Delivers all the advantages of grace ice and water shield with thermal stability up to 260 f.
After that time it quickly came to be used by most companies to create better roofing systems whatever the weather.
Specifically designed to meet the challenges inherent in metal roof assemblies.