Based on key financial metrics such as the price-to-sales ratio, shareholder yield and the price-earnings ratio, the following 3 stocks made the list for top value stocks in the Building Products industry. Those looking for value stocks to add to their portfolio may want to use this list as a starting point for further investment research.

Why Focus on Undervalued Building Products Stocks?

Value investors seek to buy stocks at a discount to their intrinsic value. Long-term returns show that such strategies are advantageous. Value stocks, as a group, tend to outperform growth stocks over extended periods of time. Typically, value investors perform financial analysis of numerous metrics, don’t follow the herd and are long-term investors.

AAII’s A+ Investor Value Grade is derived from a stock’s Value Score. The Value Score is the percentile rank of the average of the percentile ranks of the price-to-sales ratio, price-earnings ratio, enterprise-value-to-EBITDA (EV/EBITDA) ratio, shareholder yield, price-to-book-value ratio and price-to-free-cash-flow ratio. The score is variable, meaning it can consider all six ratios or, should any of the six ratios not be valid, the remaining ratios that are valid. To be assigned a Value Score, stocks must have a valid (non-null) ratio and corresponding ranking for at least two of the six valuation ratios.

What Goes Into AAII’s Value Grade?

Stock evaluation requires access to huge amounts of data as well as the knowledge and time to sift through it all, make sense of financial ratios, read income statements and analyze recent stock movement. AAII created A+ Investor, a robust data suite that condenses data research in an actionable and customizable way suitable for investors of all knowledge levels, to help investors with that task.

AAII’s proprietary stock grades come with A+ Investor. These offer intuitive A–F grades for more than just value. It is possible for a stock to appear cheap based on one valuation metric but appear expensive on another. It is also possible for one valuation ratio to be associated with outperforming stocks during certain periods of time but not others. Some stocks may even have null values for certain metrics like the price-earnings ratio or the price-to-book ratio but not others. An example of this would be a company with losses instead of profits or a negative book value because of heavy borrowing. Negative earnings or book value result in non-meaningful ratios that are left blank or null.

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3 Undervalued Building Products Stocks

Of course, there are countless value stocks that are worth mentioning, but this is a concise list of the top 3 undervalued stocks in the Building Products industry for Wednesday, April 22, 2026. Let’s take a closer look at their individual scores to see how they measure up against each other and the Building Products industry median.

The Value Grade is assigned based on how each stock’s composite valuation compares to all other stocks.

The process for assigning grades starts with each variable for a given stock. The percentile rankings for all valid ratios that a stock has are calculated. So, for instance, a stock could have a price-to-book ranking in the 43rd percentile, a price-earnings ranking in the 67th percentile, a price-to-sales ranking in the 23rd percentile, etc. Then, those rankings are averaged for each stock. (A minimum of two valid variables are required, though all six will be used if available.)

Once the average of the individual variables is calculated, that average is ranked against all stocks. Put another way, each stock’s composite valuation is compared to all other stocks. These ranks are then sorted into quintiles from the cheapest 20% (a grade of A) to the most expensive 20% (a grade of F).

As always, we recommend that you conduct proper due diligence and research before investing in any security. We also suggest that investors utilize numerous grades, not just value, when it comes to deciding whether a company is a good fit for their allocation needs.

Fortune Brands Innovations, Inc.’s Value Grade

Value Grade:

Fortune Brands Innovations, Inc. provides home, security, and digital products for residential home repair, remodeling, new construction, and security applications in the United States and internationally. It operates through three segments: Water, Outdoors, and Security. The Water segment manufactures, assembles, and sells faucets, accessories, hardware, kitchen sinks, and waste disposals, under the Moen, ROHL, Riobel, Victoria+Albert, Perrin & Rowe, Aqualisa, Shaws, Emtek, Schaub, and SpringWell brands. Its Outdoors segment manufactures and sells fiberglass and steel entry door systems under the Therma-Tru brand; storm, screen, and security doors under the Larson brand; composite decking, railing and cladding under the Fiberon brand; urethane millwork under the Fypon brand; and wide-opening exterior door systems and outdoor enclosures under the Solar Innovations brand. The Security segment offers locks, safety and security devices, connected and mechanical lock out tag out solutions, and electronic security under the Master Lock, American Lock, and Yale and August brands; and fire-resistant safes, security containers, and commercial cabinets under the SentrySafe brand. The company sells its products through various sales channels, including kitchen and bath dealers; wholesalers oriented toward builders or professional remodelers; industrial and locksmith distributors; do-it-yourself remodeling-oriented home centers; showrooms; e-commerce; and other retail outlets. Fortune Brands Innovations, Inc. was incorporated in 1988 and is headquartered in Deerfield, Illinois.

Stocks with a Value Score from 81 to 100 are considered deep value, those with a score between 61 and 80 are value and so on.

Fortune Brands Innovations, Inc. has a Value Score of 67, which is considered to be undervalued.

When you look at Fortune Brands Innovations, Inc.’s price-to-sales ratio at 1.11 compared to the industry median at 1.86, this company has a lower price relative to revenue compared to its peers. This could make Fortune Brands Innovations, Inc.’s stock more attractive for value investors.

Fortune Brands Innovations, Inc.’s price-earnings ratio is 16.40 compared to the industry median at 22.35. This means it has a lower share price relative to earnings compared to its peers. This could make Fortune Brands Innovations, Inc. more attractive for value investors.

Now, let’s assess Fortune Brands Innovations, Inc.’s EV/EBITDA ratio, also known as enterprise multiple. At 11.8, when compared to the industry median of 13.0, the company may be considered undervalued in relation to its peers. Value investors could use the enterprise multiple to identify stocks that are considered overvalued or undervalued relative to their industry.

Shareholder yield is the sum of a stock’s dividend yield (paid over previous 12 months minus special dividends) and the percentage of net share buybacks over the previous 12 months. Fortune Brands Innovations, Inc.’s shareholder yield is higher than its industry median ratio of 2.15%. Value investors may look for an attractive shareholder yield because it can be a powerful tool for identifying if the company has a good management team.

As one of the most common value metrics, the price-to-book ratio evaluates a company’s current market price relative to its book value. Fortune Brands Innovations, Inc.’s price-to-book ratio is lower than its industry median ratio of 2.51. This could make Fortune Brands Innovations, Inc. more attractive to investors looking for a new addition to their portfolio.

Lastly, let’s take a look at Fortune Brands Innovations, Inc.’s price-to-free-cash-flow ratio (P/FCF), which can indicate a company’s market value relative to its operating cash flow. Fortune Brands Innovations, Inc.’s price-to-free-cash-flow ratio is lower than its industry median ratio of 23.65. This could make Fortune Brands Innovations, Inc. more attractive because the lower P/FCF ratio indicates that Fortune Brands Innovations, Inc. is undervalued. The P/FCF ratio metric can also be viewed over a long-term time frame to see if the company's cash flow to share price value is generally improving or worsening.

Owens Corning’s Value Grade

Value Grade:

Owens Corning provides residential and commercial building products in the United States, Europe, the Asia Pacific, and internationally. It operates through three segments: Roofing, Insulation, and Doors. The company offers laminate and strip asphalt roofing shingles, roofing components, and oxidized asphalt. It also provides high, mid, and low temperature products; thermal and acoustical batts, loosefill insulation, spray foam insulation, wet use chopped strand, foam sheathing and accessories under the Owens Corning PINK, Next Gen, and FIBERGLAS Insulation brands; and glass fiber pipe insulation, energy efficient flexible duct media, bonded and granulated stone wool insulation, and cellular glass insulation and foam insulation under the FOAMULAR, FOAMGLAS, and Paroc brand names. In addition, the company offers residential interior and exterior doors; glass, fiberglass and metal, and door components such as frames, sills, weather-stripping, hinges and locks. Further, it manufactures, fabricates, and sells glass reinforcements in the form of fiber and mats. The company distributes its products to distributors, home centers and lumberyards, installers, retailers, homebuilders, contractors, dealers, building products retailers, and remodeling contractors. Owens Corning was incorporated in 1938 and is headquartered in Toledo, Ohio.

Stocks with a Value Score from 81 to 100 are considered deep value, those with a score between 61 and 80 are value and so on.

Owens Corning has a Value Score of 73, which is considered to be undervalued.

Owens Corning’s price-to-book ratio is lower than its peers. This could make Owens Corning fairly attractive for value investors when compared to the industry median at 2.51.

You can read more about Owens Corning’s key financial metrics like shareholder yield, price-to-free-cash-flow and EV/EBITDA ratio, or learn more about its Momentum and Growth Grades, by subscribing to A+ Investor.

Gibraltar Industries, Inc.’s Value Grade

Value Grade:

Gibraltar Industries, Inc. manufactures and provides products and services for the residential, agtech, and infrastructure markets in the United States and internationally. The company operates through three segments: Residential, Agtech, and Infrastructure. The Residential segment offers roof and foundation ventilation products; mail systems and package solutions, including single mailboxes, and cluster style mail, and parcel boxes for single and multi-family housing; roof edgings and flashings; soffits and trim; drywall corner beads; metal roofing and accessories; rain dispersion products comprising gutters, downspouts and accessories; and exterior retractable awnings. The Agtech segment offers controlled environmental agriculture, and custom greenhouse solutions and structural canopies, including the designing, engineering, manufacturing, construction of the structure, and integration of subsystems for retail, fruits and vegetables, flowers, commercial, institutional and conservatories, and car wash structure applications. The Infrastructure segment offers expansion joints, structural bearings, rubber pre-formed seals and other sealants, elastomeric concrete, and bridge cable protection systems. The company serves home improvement retailers, wholesalers, distributors, and contractors, as well as institutional and commercial growers of fruit, vegetables, flowers, and plants. The company was founded in 1972 and is headquartered in Buffalo, New York.

Stocks with a Value Score from 81 to 100 are considered deep value, those with a score between 61 and 80 are value and so on.

Gibraltar Industries, Inc. has a Value Score of 89, which is considered to be undervalued.

Gibraltar Industries, Inc.’s price-earnings ratio is 11.9 compared to the industry median at 22.4. This means that it has a lower price relative to its earnings compared to its peers. This makes Gibraltar Industries, Inc. more attractive for value investors.

Gibraltar Industries, Inc.’s price-to-book ratio is higher than its peers. This could make Gibraltar Industries, Inc. less attractive for value investors when compared to the industry median at 2.51.

You can read more about Gibraltar Industries, Inc.’s key financial metrics like shareholder yield, price-to-free-cash-flow and EV/EBITDA ratio, or learn more about its Momentum and Growth Grades, by subscribing to A+ Investor.

Other Building Products Stock Grades

Value is just one of the five Stock Grades included in our A+ Investor service. AAII members can see the top-graded stocks—those with grades of A or B for value, growth, momentum, earnings estimate revisions and quality—on the A+ Stock Grades Screener.

Also, if you want full access to all of AAII’s premium services, you can subscribe to one convenient bundled plan called AAII Platinum where you can try out A+ Investor, AAII Dividend Investing, the Stock Superstars Report, Growth Investing and VMQ Stocks. With the other premium services, you can dive deep into additional metrics, portfolios, commentary and information about Building Products stocks as well as other industrys.

Choosing Which of the 3 Best Building Products Stocks Is Right for You

Choosing which value stocks to invest in will ultimately depend on your individual goals and allocation; however, comparing similar value stocks in the same industry can help you analyze which might be better investments for you in the long run. So, let’s take a look at the Value Grade for all of our stocks.

• Fortune Brands Innovations, Inc. stock has a Value Grade of B.
• Owens Corning stock has a Value Grade of B.
• Gibraltar Industries, Inc. stock has a Value Grade of A.

Now that you have a bit more background about each of the 3 undervalued stocks in the Building Products industry as well as their overall grades, it’s time for you to conduct additional research to see if these could fit your portfolio needs based on your goals and risk tolerance. AAII can help you figure out both and identify which investments align with what works best for you.

We do so through a program of education that teaches you to invest for yourself and become an effective manager of your own wealth—no more relying on others for your financial independence. You can rely on AAII for timeless articles on financial planning and stock-picking, unbiased research and actionable analysis that makes you a better investor.

A+ Investor adds to that qualitative teaching by giving you a powerful data suite that helps you whittle down investment decisions to find stocks, exchange-traded funds (ETFs) or mutual funds that meet your needs.

Additional Resources About Building Products Stocks

Want to learn more about Building Products stocks to see if they could be the right investment for you? Check out some additional resources and articles to help you on your financial journey.

• 3 Undervalued Building Products Stocks for Wednesday, April 22
• 3 Undervalued Building Products Stocks for Tuesday, April 21
• Why JELD-WEN Holding, Inc.’s (JELD) Stock Is Down 6.73%
• Why Tecogen Inc.’s (TGEN) Stock Is Down 5.54%

AAII Disclaimer

We make no representations or warranties that any investor will, or is likely to, achieve profits similar to those shown, because past, hypothetical or simulated performance is not necessarily indicative of future results. Before making an investment decision, you should consider your circumstances and whether the information on our content is applicable to your situation. This information was prepared in good faith and we accept no liability for any errors or omissions. The full disclaimer can be read here.