install a shingle roof Costs For your project in zip code 98104 with these options, the cost to install a shingle roof starts at $6.91-$9.22 per square foot. Your actual price will depend on job size, conditions, finish options you choose."Andrew was awesome. He explained the entire process. He answered all of my questions and kept me up updated with regular text messages. He helped me navigate the insurance claim process. Weather kept.This document will help you with the installation of your cedar shake and shingle roofs. On the left side of the page in the blue section under the heading "Supporting Documents" you will find our Care & Maintenance brochure, or click here for more information.By Jamie Lisse. A metal roof is an alternative to a shingle covered roof, but a metal roof can actually be installed over shingles. However, you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. Otherwise, you will need to remove the shingles. Make a slat board base on top of the shingles.The asphalt roof shingles are the visible part and the first line of defense against inclement weather, but what’s underneath them really counts.The first material installed at the eave is the drip edge. It literally provides a clean, sharp edge for the start of the roof and protects the lower edge of the roof deck from water damage by.4. improper shingle placement. Starting at the bottom row, overlap each shingle at least an inch and a half over the edge of the roof, with the thick end at the top for the bottom row only. Then, add shingles above that with the thick part at the bottom. Leave about a quarter-inch space between each shingle so they can expand naturally. 5.How to do it step 1 prep work Space. Load the roof. If possible, have the shingles delivered via. Step 2 snap lines. snap horizontal chalklines to help you keep the courses straight. Step 3 Install a Starter Strip. Install a continuous starter strip or full-sized shingles, Step 4 Place.Asphalt shingle installation: This article discusses best roofing practices for the installation of asphalt roof shingles, including installation temperature, shingle sealing methods, shingle course offsets, asphalt shingle nailing location and specifications, low slope and steep slope limits for asphalt shingles, and roof flashing at building eaves and around skylights.