Window glass repair
Window Glass Repair
Cracked panes, haze trapped between the panes, hail chips and putty crumbling out of a hundred-year-old sash. The glass is a component, and components get renewed.
At a glance
- Service
- Glass repair and replacement
- Visits
- One to measure, one to fit
- The frame
- Stays exactly where it is
- Safety glazing
- Tempered where code requires
- Estimates
- Free, measured on site
First question
Is this urgent, or can it wait?
Glass problems look alike and are not. This is how we sort them when the phone rings.
Fix now
Open, unsafe or spreading
- Any broken or missing pane
- A crack that has reached an edge of the glass
- Glass loose or rattling in the sash
- Cracked glass in or beside a door
- A pane you can press and feel move
Fix soon
Losing performance or letting water in
- Putty cracked or falling out around the glass
- A fogged unit on a room you actually use
- A chip near the edge of a pane
- Condensation staining the sill below
- Several units fogged on one elevation
Can wait
Cosmetic and stable
- A small chip in the middle of a pane
- Light haze in a window on an unused room
- Scratches on the surface
- Old glazing beads that are tired but sound
- A fogged unit you plan to do with the rest of the elevation
Second question
What has actually gone wrong?
There are three things people call glass, and they behave completely differently. A single sheet of annealed glass bedded in putty is the simplest: the old glass and putty come out, new glass goes in, and the sash carries on for decades.
An insulated unit is two panes bonded around a spacer with a sealed cavity between them. It is a manufactured item in its own right. When a window 'fogs', that perimeter seal has failed and moisture has entered the cavity. The glass cannot be cleaned, the haze will not clear, and the insulating value is gone — but the sash, the frame and the hardware are all untouched by it.
Then there is tempered glass, required by code beside doors, in bathrooms, at low sill heights and in large panes. It cannot be cut after manufacture, so it is always made to measure — which is why glass work is a measure-first, fit-later job rather than something carried on a van.
What the technician will call it
- Annealed glass
- Ordinary single-pane glass. Cracks into large pieces and can be cut on site.
- IGU or sealed unit
- The two-pane assembly in a modern window. Replaced whole, inside your existing sash.
- Perimeter seal
- The bead holding a sealed unit together. Its failure is what causes fogging.
- Tempered
- Heat-treated safety glass. Breaks into blunt fragments and cannot be cut after manufacture.
- Glazing putty
- The linseed compound bedding glass into an older wood sash. It has a service life of decades.
- Thermal stress crack
- A crack caused by uneven heating across a pane, with no impact involved.
Third question
Can it actually be repaired?
The glass conversation attracts more bad advice than anything else we deal with.
In practice
Three calls from last season
Composite examples of how glass calls usually resolve.
Case 01
- The call
- “Hail came through and we think we need all the windows done.”
- What we found
- Two panes cracked outright on the west elevation. Three more had edge chips that were stable, and one unit had lost its seal without showing it yet.
- What it took
- Two panes replaced, one unit replaced, three chips assessed and left alone with a note to watch them.
Case 02
- The call
- “The window went cloudy over the winter.”
- What we found
- A failed sealed unit in a south-facing bedroom. Sash, frame and hardware all sound.
- What it took
- Measured on the first visit, unit replaced on the second. Under an hour to fit.
Case 03
- The call
- “The glass rattles and there's a draught, but it isn't broken.”
- What we found
- Linseed putty cracked and missing along the bottom rail of a 1915 sash, with water already getting into the timber.
- What it took
- Old putty raked out, glass rebedded and reglazed, rail treated before it went further.
Fourth question
Why does this keep happening in Indiana?
Indiana glass fails for four reasons, and only one of them involves anything hitting it.
Spring storms and hail
Indiana sits in an active severe weather corridor, with hail and straight-line winds most springs. Glass damage here usually arrives on one elevation at once rather than as a single pane, and panes that survive visibly intact can still have lost their seal.
A hundred degrees of annual range
Insulated units are asked to hold two panes and a gas fill together through humid ninety-degree Julys and sub-zero Januarys, every year. That cycling is why so many units fog well inside the life they were sold with.
Thermal stress in low winter sun
When a low sun hits part of a pane while the rest sits in the shadow of a frame or a deep eave, the two areas expand at different rates. Enough difference and the glass cracks with nothing having touched it.
Limestone and masonry sills
A great deal of Indiana housing has limestone or brick sills under its windows. Masonry holds moisture against the bottom of a sash far longer than timber does, which is hard on glazing putty and on the rail beneath it.
Fifth question
What is involved, and how long does it take?
Glass is priced and scheduled by what has to be made, not by how dramatic the damage looks.
We measure on site rather than from a photograph, because glass cut to the wrong size is a wasted pane and a wasted week. If several units have failed, doing them together is considerably cheaper than one at a time.
Coverage
Window glass repair across Indiana
A mobile service covering the whole state. Pick your town below, or call and we will come to you.
Window Glass Repair Across Indiana
Anything else
What else should I know?
Can you replace just the glass and not the window?
Yes, and that is most of what this service is. The frame, trim and hardware all stay where they are.
How long does a sealed unit take?
Measuring is quick. The unit is made to size, so fitting happens on a return visit, usually under an hour per window.
Is hail damage worth claiming on insurance?
That is between you and your carrier, but we provide written itemised quotes and invoices formatted to submit without rewriting.
Can old wavy glass be saved?
If it is intact, yes, and we would encourage it. It cannot be reproduced and it is part of what makes an older window worth keeping.
My windows fogged years ago. Is it too late?
No. A fogged unit does not get worse structurally; it has simply stopped insulating. It can be replaced whenever suits you.
Do I need tempered glass?
It depends where the pane sits. Beside a door, in a bathroom, at a low sill height or in a large pane, yes — and we supply it rather than the cheaper option.
Everything else we do
Other repairs we handle
Windows and doors are the whole business, so whatever has failed, it is on this list.
Send us a photo of the glass
Free estimates across Indiana, measured properly and fitted once.