HOW OFTEN DO I NEED A NEW ROOF?
Depending on your roof type, a roof will last anywhere from 20 to 60 years. In California, composite shingles would be considered the most popular. Followed by a flat or tar and gravel roof. On average people replace a composite shingle roof every 25 years.
Lifetime of a roof cheat sheet
- Wood shingles are good for 10 to 20 years
- Asphalt Roofing shingles last 20 to 40 years
- Concrete or clay tiles typically last at least 20 years
- Metal Roofing shingles or panels last 15 to 40 years
- Foam lasts 10 to 15 years
- Slate lasts for 30 to 100 years
HOW OFTEN DO I NEED NEW INSULATION?
Insulation is one of the most underestimated investments when considering home improvements, mainly because its longevity and payback is underestimated. You’ll save 20% – 40% on your heating and cooling with new insulation per year. Modern insulation according to The International Association of Certified Home Inspectors states that spray foam insulation, wrap tape and housewrap insulation could last for 80 years. Cellulose, loose-fill, foamboard, loose fill and rock wool insualtion can last up to 100 years.
HOW MUCH IS A NEW ROOF?
We like to compare the prices to Angieslist, because it is a reputable website. Here are the most recent prices per square, 10ft x 10ft or 100sqft.
Composite Shingle $200-400 per square
The cost of a metal roof tends to range between $500 a square for lower-end metal material to $1,800 for higher-end copper roofs. The average homeowner usually selects corrosion-resistant metal priced between $700 and $1,000 per square.
A natural slate tile roof can cost between $800 and $1,600 per square. But pros say the final tab for a slate roof can exceed $4,000 per square if the slate is high end and the installation pattern is intricate.
While the cost of a clay tile roof often ranges between $600 and $800 a square for an average sized home, the price can also exceed $4,000 a square for premium grade, custom-made clay tiles.
HOW MUCH IS NEW INSULATION?
Most insulation upgrades are in the attic. In the attic, depending on your choice of insulation, it is conservative to take the total sqft area and multiply it be $2.50. For higher quality insulation that can last for an extremely long time, multiply by $5. For wall insulation, the project is considerably more for the deconstruction and reconstruction and should be discussed for each individual case.