How long is a roof good for?

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Slate, copper and tile roofs, which are on the upper end of the price spectrum, can last more than 50 years. Homeowners with wood shake roofs should expect them to last about 30 years, while fiber cement shingles last about 25 years and asphalt shingle/composition roofs last about 20 years, the NAHB found. Mar 14, 2022

Do most houses have mold?

“Every house, every environment has mold spores.” It becomes an issue when the concentration of mold spores in a home is greater than what is found outside. Oct 25, 2013

How can I test the air in my house for mold?

A quick test for mold can be done when you dip a swab in diluted bleach (1 part bleach, 16 parts water) and dab it on the wall. If the spot quickly lightens (or keeps coming back after cleaning), assume it’s mold. Feb 24, 2022