Fill up any gaps across the vent with a beneficiant layer of roofing cement or exterior sealer. Have an assistant gently roll back and separate the shingles as you insert the vent….
Jestful Journeys into Knowledge
Fill up any gaps across the vent with a beneficiant layer of roofing cement or exterior sealer. Have an assistant gently roll back and separate the shingles as you insert the vent….