Guides
Reference pages that stay current. Each one lists its sources and the date its facts were last checked.
How long roofing materials last
Service-life estimates for asphalt, slate, metal, EPDM and TPO roofs from InterNACHI, the National Park Service and the material trade groups.
How to check a roofer's Pennsylvania registration and insurance
Most roofers in Pennsylvania must register with the Attorney General and carry at least $50,000 in liability coverage. Here is how to check both.
How the weather here wears a roof
Freeze-thaw days, heavy rain, wind gusts and hail near Conshohocken, from NOAA records for Philadelphia International Airport and Montgomery County.
What a roofing contract has to include in Pennsylvania
State law lists 13 things a home improvement contract over $500 must contain, caps deposits and gives you three business days to cancel.
Roofing permits in Conshohocken and nearby townships
Conshohocken requires a building permit and a roofing addendum to re-roof. Plymouth exempts small repairs. Here is what each office posts.
When Conshohocken's houses were built
Census estimates put 36% of Conshohocken's housing units and 46% of West Conshohocken's in buildings from 1939 or earlier.
Rooftop solar and net metering with PECO
Pennsylvania's net metering rules, PECO's application levels and fees, and what to check on the roof before solar panels go up.
Storm damage and roof insurance claims in Pennsylvania
Pennsylvania insurers must acknowledge a claim within 10 working days and finish investigating within 30 days or explain the delay in writing.
A roof inspection checklist for owners and buyers
What NRCA says to check twice a year, what a Pennsylvania home inspection covers on the roof, and what it leaves for a roofer to answer.
What moves the price of a roof replacement
Producer prices for asphalt roofing reached a record in August 2026. The rest of a quote turns on squares, layers, sheathing, flashing and ventilation.