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The BlockSun blog

Group-buy stories, by project.

How neighborhood group-buys actually save money — for solar, roofing, pools, HVAC, and more.

New roof

How to tell if your roof needs replacing (and when it does not)

Most roofs are replaced a few years late or a few years early. Here is how to read yours honestly, what a real inspection should cover, and the case for waiting.

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New roof

What a group re-roof actually saves a Palos Verdes block

Re-roofing a whole street in one mobilization is dramatically cheaper than one job at a time. We break down where the savings come from.

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