Questions to Ask a Fort Worth Window Company Before You Sign

Start with the seal warranty

Price, material, and timing all matter. But the first question should be about the insulated glass seal. In a hail market that answer works twice: it tells you what happens if a storm breaks the seal now, and it tells you what happens the year the seal fails on its own with the frame still looking fine. Either way, it predicts how you will feel about this project in year ten.

How to read a window warranty: find these four numbers

Every window warranty, from the cheapest vinyl to the priciest program in town, answers four questions somewhere in the fine print. Make the company show you where.

1. Years on the glass unit and its seal.

Not the frame. The sealed glass unit is the part that fails, whether heat or hail gets it first. The strongest warranties in this market put 20 years on the glass and seal. Weaker ones cover it for far less, or tuck it under a different clause than the headline number.

2. Prorated or not.

An unprorated warranty pays the same in year 15 as in year 1. A prorated one quietly shifts a growing share of every claim onto you, so a "lifetime" warranty can be worth very little by the time the seal actually goes. One word in the document changes what the headline promised.

3. Years on the labor.

A covered part with uncovered labor is half a warranty, and for a fogged glass unit the labor is often the bigger bill. The strongest programs warranty the installation work itself. Typical coverage runs a year or two, or is not there at all. Find the labor number. If you cannot find it, you have found it.

4. What happens when you sell.

The strongest warranties transfer to the next owner automatically for the rest of the term. Weaker ones transfer once, with a fee and a deadline, or not at all.

One sentence ties the page together: most manufacturer warranties are void if the window was installed improperly. That makes the warranty question and the installer question the same question — and it matters more in a storm rush, when crews are moving fast. A spectacular warranty on a window a careless crew put in wrong can be worth nothing.

The eight questions

The order below starts where a Fort Worth project usually starts — the paperwork and the claim — and ends at the crew and the failure.

1. What does the glass-seal warranty actually cover, for how long, and is it prorated?

Heat works the seal slowly and hail can break it in an afternoon, and either way fog appears between the panes as the gas escapes and the efficiency drops while the frame still looks fine. A strong answer is specific: the length, whether it is prorated, whether parts and labor are both covered, and whether it transfers. You already know the strong version — 20 years unprorated with labor covered — so you have a measuring stick for whatever you hear. If the answer drifts to the frame, ask again about the seal, then get the terms in writing.

2. Will you itemize per window in a format my insurance adjuster can follow?

This one earns its place in a hail market. Per-window pricing is how the market works and the only format you can compare, and if a storm is involved, it is also what an adjuster reads against the damage. Itemization lets you make smarter calls inside one house — upgraded glass on the brutal west openings, standard glass elsewhere — and it keeps the claim conversation clean. A single house number takes all of that away and gives the adjuster nothing to check.

3. Who pulls the Fort Worth permit?

The city's own rule is that replacing exterior windows requires a permit, doors included. The answer you want is simple: the company handles the permit as a routine part of the job. If someone says no permit is needed inside the city, or pushes it onto you, keep looking.

4. What are the U-factor and SHGC on the window you are quoting?

For a Fort Worth climate, you want a U-factor around 0.35 or lower and an SHGC around 0.25 or lower. A careful company can give you both numbers for the exact window on the quote. If the answer is a shrug or a brochure, they have not really specified what they are selling you.

5. How long is this price good for?

Thirty days is a fair ask, and it matters most right after a storm, when the pressure to sign is highest. Get the number in writing with a date on it. If the price cannot survive a month, it was probably built to get a signature that night. The red-flags page covers the moves that come with it.

6. Who installs, and who answers a workmanship call two years from now?

Either an employee crew or a subcontractor can do good work. You are listening for accountability: who trained the crew, who supervises, and who comes back if something is wrong later. This gets sharper in a storm rush, when a company may hand the job to whichever subcontractor is free that week. Both will tell you their people are great. Only one can tell you who, by name, answers the phone in year two.

7. For a pre-1978 home, is the crew certified for lead-safe work?

Plenty of older Fort Worth homes, much of the historic stock included, predate 1978, and federal rules require lead-safe practices when work disturbs old painted surfaces, window replacement included. A careful company can answer this and show the certification. If the crew does not know what you mean, do not wave it off.

8. When a seal fogs in year eight, what exactly happens?

Make the warranty concrete. Who do you call? Do they replace the glass unit or the whole window? Is labor covered then, or only the part? A company that means to honor a warranty has a process and can describe it. A company that does not will describe the warranty again instead of the process. The three stories below show why this question earns its spot.

Three year-eight stories

Same street, same failure, eight years out: a bathroom window fogs between the panes. The window is identical in all three houses. The paperwork is not.

House one. The owner digs out the warranty folder, calls the number, and a crew swaps the glass unit six weeks later at no charge. The coverage was written unprorated with labor included, so year eight looks like year one. When the house sells two years after that, the remaining coverage goes with it, and the listing says so.

House two. The manufacturer honors the claim exactly as written. The warranty was prorated and covered no labor, so it pays a shrinking share of a replacement glass unit and none of the service visit. The owner covers the difference on the part plus the full labor, and the labor costs more than the glass. Nothing shady happened. The warranty did exactly what it said. That is the problem, because nobody read it in year zero.

House three. The installer is gone — it was one of the crews that came in with a storm years back — so its labor warranty is gone too. The manufacturer sends an inspector, finds the window was set out of square and never sealed right, and denies the product claim as well, because a bad install voids the coverage. The owner pays retail for a new unit and a new installer. All of it was decided at the kitchen table eight years earlier, by skipping questions 6 and 8.

None of these stories needs a villain. They only need fine print nobody read. Ten minutes with the four numbers sorts every quote on your table into one of these three futures.

The year-two caulk test

Warranties get the attention, but here is the everyday version. Two years in, you feel a draft at the edge of two windows on the west side. The caulk has pulled away — an install issue, not a product one.

In one version, the company that sold you the windows sends its own crew back, because the workmanship is theirs and it is covered in writing. In the other, the installer was a subcontractor who has moved on, the labor warranty ended at year one, and the company that took your deposit explains that caulk is maintenance. Both versions were set on signing day by the answers to questions 6 and 8. Neither one is really about the window.

Before you sign

Get the itemized per-window pricing, the material and glass specs with the U-factor and SHGC, insert or full-frame marked per opening, all three warranties (frame, glass unit and seal, labor), the permit plan, and the price validity — together, in writing, and readable by an adjuster if a claim is in play. That one sheet of paper is worth more than everything said during the appointment.