CertainTeed Windows

CertainTeed Windows were once a relatively large player in the replacement window industry. Then, in 2011, CertainTeed announced that MI Windows would be manufacturing all of their window series. This was probably for the best as many installers and industry insiders felt there was little consistency to the quality of CertainTeed Windows. Unfortunately, MI hasn’t done much better in regard to overall quality, although their purchase of Sunrise in 2021 has elevated the overall quality of the lineup.

Today, Certainteed is owned by a French company, Saint Gobain. They make building supplies used in siding and roofing projects. They no longer make Certainteed replacement windows (hopefully this was obvious, but worth saying another time, just in case).

Bill — Site Editor

Have a question about your project? Send us your questions and/or price quotes for free advice — Bill — Site Editor

Certainteed Replacement Windows

Prior to their purchase in 2011, their lineup included the following window series: BrynMawr III, Devon II, New Castle III, and the New Bridge II. For unbiased opinions of this company’s products, see our page on Certainteed windows reviews page.


Quality Replacement Window Companies

Certainteed Windows Warranty

The company offered a limited lifetime warranty that covered manufacturing defects for the original owner. If the owner sold their home, the warranty was in effect for 20 years from the date of installation. As with any window warranty, always read it in its entirety to be sure you understand what it covers and what is does not cover.

SureStart Protection: 5 years on materials and labor for defective products.

For those homeowners trying to get relief from CertainTeed on warranty issues, you can try contacting MI, or a local MI dealer. In all likelihood, you will be hard pressed to get any warranty help. This is not ideal, but that is the way these buyouts tend to go.


Window Brand Quality
Installation Requirements
How Many Windows?
Zip Code

CertainTeed Windows Price

Price Range: $350 – $750 installed

CertainTeed prices ranged in that low to mid range for vinyl window. Lower end replacements such as the BrynMawr III will run towards the lower end of the price scale. Higher end and custom orders for new construction like the New Castle III will cost closer to the higher end of the price range. Discover more on CertainTeed Prices.

Products From CertainTeed Windows

BrynMawr III

The BrynMawr III series was available in the following styles:

Double Hungs
Casement & Awnings
Sliders
Picture & Transoms
Architectural Shapes
Bay & Bows


Quality Replacement Window Companies

Devon II

The Devon II series was available in the following style:

Double Hungs

New Castle III

The New Castle III was available in the following styles:

Double Hungs
Casement & Awnings
Sliders
Picture & Transoms
Architectural Shapes
Bay & Bows

NewBridge II

The NewBridge II was available in the following style:

Single Hungs

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