If I'm previously not planning to get satisfactory under-deck ventilation due to The lack to obtain suitable soffit vent air consumption, could it make sense to just skip the attempt at roof ventilation and perhaps as an alternative place 1" XPS instead of the vent channel over the underside of the current roof deck? (It really is labor intensive,

My guidance might be to seal the prevailing vents. If insulation contractors in your town are installing 3 to 4 inches of shut-mobile spray foam earlier mentioned the roof sheathing, you won't have to stress about condensation or moisture accumulation within your sheathing.Throughout the summertime, roof ventilation will not noticeably decreased th