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  1. Residential Roofing
    Recommendation please: See photos, I have a 1969 colonial in NJ. One contractor wants to close my passive roof vents, and just keep gable vents and attic fan. Another wants to install cobra snow country ridge vent, close passive & gable vents and keep attic fan. Which would be be the best for...
  2. Residential Roofing
    When HVAC cuts a hole in the roof for their vent what is the industry standard of how big the hole can or should be? Do shingle manufacturers have a spec on how large this can be?
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