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The Daily Insight

How thick should impact windows be

Author

Rachel Hunter

Published Mar 08, 2026

Impact windows use thick laminated glass and sturdy framing materials, which result in a decrease in external noise by as much as 40%. Their overall thickness ranges from 7/16” to 9/16”, as compared to typical single pane glass measuring an average of 1/8”.

What is the best thickness for impact windows?

A minimum frame depth of 2 3/4 inches on windows and 5 1/8 inches on sliding glass doors, with a minimal nominal wall thickness of . 062 aids the system in withstanding strong winds.

How thick are PGT Windows?

DOUBLE-STRENGTH GLASS (DSB) is a single pane of glass 1/8” thick. This glass thickness is the minimum available in PGT products. PLATE GLASS is a single pane of glass 3/16” thick. This thicker glass is an available option for most PGT windows and is standard in the majority of PGT doors.

Are there different strengths of impact windows?

While impact windows do come in a variety of strengths, most base models offer heavy-duty protection, with options to increase your glass’ integrity for stronger winds.

Is thicker glass a better insulator?

Two panes of glass work better than a single frame because it reduces heat loss, which will in turn lower your heating bill. … The thicker the glass you choose, the better the insulation will be.

Do I need hurricane shutters if I have impact windows?

With impact hurricane windows and doors you do not need hurricane shutters. … With impact hurricane windows and doors you do not need to install and remove hurricane shutters every time a hurricane is coming; you just have to lock your windows and doors.

How thick are hurricane impact windows?

You can typically expect your storm windows to have a minimum frame depth of 2-3/4 inches with a minimal nominal wall thickness of . 062, which aids the system in withstanding strong winds.

Which is better in Florida vinyl or aluminum windows?

In addition, vinyl windows offer superior insulation and energy efficiency than aluminum windows because unlike aluminum windows, vinyl minimizes heat transfer. … For the best window replacement company in Florida and the Toledo area, call the experts at ARMORVUE Window & Door, the clearly stronger choice for you.

What is the difference between hurricane windows and impact windows?

A standard hurricane window will be able to withstand the extreme pressure generated by hurricane-force winds, but it will shatter if struck by airborne debris. Impact windows are constructed with a durable laminate between the glass panes.

How much do impact windows weigh?

Long answer, “Astroguard weighs only eight ounces per square yard, so a regular single window-sized panel will weigh less than 1-1/2 pounds. Each fastening clip plus screws is 0.2 pounds, so the panel plus the clips, total weight, is 3.83 pounds.

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Is laminated glass the same as impact glass?

Tempered glass is a heat treated glass. The glass is heated first, followed by the surface being cooled rapidly. … Impact-resistant glass is created by use of a safety glaze for laminated glass. This type of glass is created by bonding together two or more panes of glass with a thin clear film between the panes.

Is heat strengthened glass impact resistant?

After reaching approximately 1300°F, heat-strengthened glass is force cooled to create surface compression. This type of window glass will break into medium-sized shards if impacted. What you should know about heat-strengthened glass: It is roughly twice as strong as annealed glass or untreated glass.

Is Thicker glass better than double glazing?

Double glazing slows this heat flow. The thicker glass makes it more difficult for heat to pass through it, and the air gap provides a barrier to block it. … Having the air gap stops the heat movement in its tracks.

How thick is a window in mm?

Laminated glass in windows and doors is typically 6.38mm thick.

What is the best thickness for double glazing?

double glazing grew from an overall thickness of 20mm to 24mm and finally settled on 28mm even though thermally, with either air or argon cavities, 24mm is the optimum size.

What is a high impact window?

In order to withstand wind-borne debris or break-ins, high impact windows are made with heavy-duty frames and safety glass which are carefully sealed to keep the glass from breaking away from the frame. … The windows are tested against small and large projectiles to make sure they can withstand the impact.

How thick is hurricane proof glass?

Product ConfigurationOutboard LiteInterlayerMaximum Thickness1/8″ (3mm)0.075″ (1.90mm).3473/16″ (5mm)0.075″ (1.90mm).4771/4″ (6mm)0.075″ (1.90mm).567

Do you need to board up impact windows?

If you still want to board up your windows, that’s your call; however, with hurricane windows it’s optional, instead of being a downright necessity. Instead, you can concentrate on exactly what’s really vital, your safety and the safety of your family members.

Can impact windows have screens?

All of the other impact windows and doors all come with screens.

Do Impact windows crack?

Put simply, yes, impact windows can break. That is because they are impact-resistant and not impact-proof. Impact glass is designed to resist heavy blows, hence it became popular as windshields for vehicles. Like a car’s windshield, however, it can break when struck by excessive forces.

Do hurricane impact windows have screens?

Hurricane screens are a strategically placed barrier for wind, rain, and missile protection. Hurricane screens for windows ensure versatile anchoring, with unobtrusive and/or removable anchors, screen color, roll-ups, or tracks.

How long do impact windows last?

Like any product, windows have a life expectancy. Many impact windows are rated to function properly from 10 to 25 years, depending on the brand and materials. At the 10-year mark, it starts to become more important to evaluate your windows, knowing that they are reaching an age where they may soon need to be replaced.

How much do impact windows cost in Florida?

Average Price Of Impact Windows Sliding glass doors have an average cost of $6140, with 70% of prices falling between $4200-$8230. These price ranges assume white, vinyl frames with no grids, which is the most common configuration in Florida’s hurricane prone regions. They also include materials and labor.

How can you tell if glass is impact resistant?

  1. Look for a permanent mark in one of the corners of the glass. …
  2. Check the glass for a temporary label. …
  3. Verify the windows are designed for conditions in your area. …
  4. Examine the reflection in the glass. …
  5. Get a professional opinion. …
  6. Extra Impact Window Features.

What's wrong with vinyl windows?

And though all windows expand and contract with temperature changes, vinyl expands more than twice that of wood. It expands seven times farther than glass with each degree of temperature. This can cause the seal between the vinyl framework and the glass to fail.

How long do vinyl windows last in Florida?

And with the proper maintenance, vinyl windows can last anywhere from 15 to 40 years. That maintenance usually looks like: Applying protective sealants to your vinyl windows to protect them from gradual water damage, since Florida’s environment can be quite humid.

Are Andersen windows wood or vinyl?

Unlike other window manufacturers who may offer windows with solid vinyl or fiberglass construction, Anderson windows generally use either solid wood cores with vinyl, aluminum, or fiberglass cladding; or frames made solid composite/Fibrex. Andersen windows consistently get high marks for quality.

What are low-E impact windows?

Low-emissivity, or low-e, is window glass that has been treated with an invisible metal or metallic oxide coating. It absorbs, reflects and emits the radiant energy that makes your interior hot and uncomfortably bright.

What is the purpose of low-E glass?

Low-E coatings have been developed to minimize the amount of ultraviolet and infrared light that can pass through glass without compromising the amount of visible light that is transmitted. When heat or light energy is absorbed by glass, it is either shifted away by moving air or re-radiated by the glass surface.

Can impact glass break?

In plain terms, yes, impact glass can break. However, as these glass structures receive impact, the inner layer of PVB keeps the structure from breaking down—it keeps the window standing even though the glass shatters. There are varying types of impact glass.

What does heat soaking do to glass?

Heat soaking is a process that may expose NiS inclusions in tempered glass. The process involves placing the tempered glass inside a chamber and raising the temperature to approximately 550°F or 287° to accelerate NiS expansion. … While extremely rare, nickel sulfide inclusions are another potential cause of breakage.