Guest User
3/12/2007
WE ARE LOOKING INTO HAVING A METAL ROOF INSTALLED OVER OUR SHINGLE ROOF. WE LAST HAD IT REPLACED IN 2001, IT IS LEAKING FROM THE RIDGE AND NO ONE CAN FIND THE LEAK. WE WANT TO HAVE A METAL ROOF INSTALLED OVER THE SHINGLES WITH FURRING STRIPS AND INSULATION FOAM BETWEEN THE WOOD STRIPS. 3/4" YELLOW PINE. 3/4" FOAM INSULATION WITH DOOUBLE SIDED FOIL. MY QUESTION. WILL THERE BE TO MUCH OF AN AIR GAP BETWEEN THE WOOD AND THE METAL THAT WILL CAUSE THE METAL TO SWEAT, THEREFOR CAUSING THE WOOD TO ROT? SHOULD WE PUT DOWN A LAYER OF FELT BEFOR WE APPLY THE WOOD STRIPS? WE HOPE TO SIGN THE CONTRACT THIS MONTH. PLEASE ADVISE AS NO ONE HAS ANSWERED OUR QUESTIONS THUS-FAR
Todd Miller
Classic Products, Inc.
3/12/2007
Yes to the felt. If your attic is well vented it lessens the need for venting beneath the new metal. Otherwise, if the attic is well vented, it would not make a lot of difference exactly how the metal is installed. However, make sure that it is installed per manufacturer instructions.
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