It holds true that you must not change an asphalt roofing in throughout autumn/ wintertime, due to the fact that asphalt shingles won't stick to each other due to low temperature levels. We advise checking the location where asphalt roof shingles overlap the drip side if the roofing system deck itself is completely dry with no evidence of roofing system leakage. November 18, 2018 at It seems like the leakage you explain might have been triggered by a wind driven rain. Maybe either a sealant fai…