Blog Archive
July 2020

Shingle 411 for New Homeowners!

Most homeowners in the US have composition shingles on their home. The word composition is used because the shingle is a composite of asphalt, fiberglass or cellulose mat and then covered with shiny granules that are made from ceramic, minerals or metal. 

The granules in a shingle wear over time and are lost due to contact with debris, foot traffic and weather patterns - sun, rain, hail, snow. Luckily in most parts of California we don’t have to deal with the last two — with hail being particularly hard on roofing systems. How do you know it’s time to replace your shingles? As you examine a worn roof, you will notice that granules can collect in the gutter or on the roof leaving the mat of the shingle visible...


Solar FAQs Part 2 - The Cons of a PPA




In our last blog we reviewed some questions home owners might ask before delving into options for solar energy. Another topic that comes up frequently is PPA

What is PPA? PPA is a leased solar system. It stands for Power Purchase Agreement and they are packages that are meant to be very attractive with little or no cost to the consumer up front. 

Homeowners, beware! There can be unforeseen circumstances with these kinds of agreements and especially for your roof. Sean Featherstone, Co-President of Castone breaks down the cons of a PPA for you: 

  1. You need to make sure that your roof is in good condition BEFORE you install a PPA - Solar panels are rated at 25 years, and most steep sloped roofs are rated for 30 years - therefore you will have an overlap of needing a new roof unless your roof is less than 5 years old...

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Central California
1113 Dayton Ave #8
Clovis, California 93612
Bay Area
1442a Walnut St #435
Berkeley, California 94709