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The cost to replace a roof averages around $9,200, and most people pay between $6,000 and $15,000. The size of your roof plays a major role in the total cost, but the most significant factor is whether you need new shingles placed over your old roof or a full replacement. The former is possible until you have three layers of roofing on your home, and it’s more affordable. A full replacement involves ripping off old layers of shingles, sometimes repairing the sheathing, and then laying down a new roof, which is the most expensive project.

Yes, Energy Star roofs are one of the best types of roofs for cost efficiency. They can reduce your peak cooling demand by anywhere from 10% to 15%.

Building code allows 24-inch on-center spacing for roof trusses. However, you can install them on 12- or 16-inch centers to handle large loads or other exceptional circumstances. In cases such as covering a wide span or supporting alternative roofing materials, where a structural engineer needs to evaluate or create a design for your trusses, the plans will indicate the spacing. 

During the framing process, builders connect the roof to the walls with materials, including metal connectors, plywood panels, and wood blocks. These roof-to-wall connections are important and provide weatherproofing, noise and temperature insulation, protection against pests, and home integrity. The type of connector and method used will vary, depending on your home’s construction and needs, and each has pros and cons in terms of cost, noise insulation, longevity, and reliability. Talk with your home or roofing contractor about the best connectors for your roof and walls, and what they recommend for your home.