Most homeowners never read their roof warranty until something goes wrong. By then it is too late to ask the questions that matter. A few minutes with the paperwork before the job starts can save a lot of money later.

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Two kinds of roof warranty

A new roof usually comes with two separate warranties, and they cover different things.

Manufacturer's warranty

This covers defects in the materials: shingles that crack, blister or lose granules early because of how they were made. Standard coverage often starts with a period of full coverage, then prorates, meaning the manufacturer pays a shrinking share as the roof ages. Many manufacturers offer enhanced system warranties when the roof is installed by a certified contractor using their full set of components.

Workmanship warranty

This comes from the contractor and covers installation mistakes: flashing done wrong, improper nailing, a leak at a detail the crew missed. Most leaks on newer roofs come from installation, not bad shingles, so this is the warranty you are more likely to use. It is also only as good as the company behind it. A crew that leaves town after storm season cannot honor it.

What warranties usually do not cover

Storm damage from hail or wind (that is what homeowner's insurance is for)

Damage from trees, foot traffic or other trades working on the roof

Problems caused by poor attic ventilation, if the manufacturer requires proper ventilation

Repairs made by someone other than the installer

Normal wear once the prorated period runs out

What to look for

Length. How many years of full coverage, and when does proration start?

What is covered. Materials only, or labor to remove and replace them too?

Transferability. Can the warranty pass to the next owner if you sell? Some transfer once, sometimes with a fee or a deadline to register.

Registration. Some manufacturer warranties must be registered within a set time after installation.

Who to call. For workmanship problems, you want a local company that answers the phone.

How to keep your warranty valid

Keep the paperwork: contract, invoice, warranty certificates and photos

Have repairs done by the original installer, or check first whether others are allowed

Keep attic ventilation working and gutters clear

Get the roof inspected after major storms and fix problems promptly

Questions to ask before you sign

Which manufacturer warranty will this roof have, and do I need to register it?

What does your workmanship warranty cover, and for how long?

Is it in writing?

Does either warranty transfer if I sell the house?

Ask us these on any quote. Call (855) 741-ROOF to schedule a free inspection.

Why Your Roof's Warranty Matters: What to Look For