Ask This Old House general contractor Tom Silva reveals the best ways to secure shingles to a roof. (See below for a shopping list, tools, and steps.) SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse Shopping List for How to Install Roof Shingles: - 8-inch aluminum drip edge [https://amzn.to/2WN1Vdq] - 1 1/4-inch galvanized roofing nails [https://amzn.to/2VHIV3u] -…