Remove gutters on front elevation and install new 6 gutters. Detach and reset gutters on back elevation. Install GAF storm guard on valleys and roof penetrations. Install new Felt Buster Synthetic Underlayment on entire roof. Install drip edge metal and GAF Starter Strip around eaves and rakes. Install GAF HDZ dimensional shingles. Seal valleys and install bullet boots. Install GAF ridge vent & GAF Seal a ridge.