Siam Technic Concrete PCL (BKK:STECH) Gross Margin %: 16.72% (As of Dec. 2025) — 13% Below Median


BKK:STECH Siam Technic Concrete PCL BKK:STECH
82 GF Score
Price ฿1.15
GF Value ฿1.38
Valuation Modestly Undervalued
! 2 Warning Signs
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What is Siam Technic Concrete PCL Gross Margin %?

Siam Technic Concrete PCL BKK:STECH +0.88% 82 Gross Margin % is 16.72% as of Dec. 2025, which is 13% below its 10-year median of 19.27. GuruFocus rates BKK:STECH with a GF Score™ of 82/100 and a GF Value™ of ฿1.38 (Modestly Undervalued). The stock has 2 warning signs investors should review. Among 396 Building Materials companies, Siam Technic Concrete PCL ranks worse than 67.42% on this metric.

Gross Margin % is calculated as gross profit divided by its revenue. Siam Technic Concrete PCL's Gross Profit for the three months ended in Dec. 2025 was ฿86 Mil. Siam Technic Concrete PCL's Revenue for the three months ended in Dec. 2025 was ฿517 Mil. Therefore, Siam Technic Concrete PCL's Gross Margin % for the quarter that ended in Dec. 2025 was 16.72%.


The historical rank and industry rank for Siam Technic Concrete PCL's Gross Margin % or its related term are showing as below:

BKK:STECH' s Gross Margin % Range Over the Past 10 Years
Min: 14.96   Med: 19.27   Max: 21.27
Current: 19.27


During the past 7 years, the highest Gross Margin % of Siam Technic Concrete PCL was 21.27%. The lowest was 14.96%. And the median was 19.27%.

BKK:STECH's Gross Margin % is ranked worse than
67.42% of 396 companies
in the Building Materials industry
Industry Median: 26.155 vs BKK:STECH: 19.27

Siam Technic Concrete PCL had a gross margin of 16.72% for the quarter that ended in Dec. 2025 => No sustainable competitive advantage

The 5-Year average Growth Rate of Gross Margin for Siam Technic Concrete PCL was 0.80% per year.


Siam Technic Concrete PCL  (BKK:STECH) Gross Margin % Explanation

Warren Buffett believes that firms with excellent long term economics tend to have consistently higher margins.

Durable competitive advantage creates a high Gross Margin % because of the freedom to price in excess of cost. Companies can be categorized by their Gross Margin %

1. Greater than 40% = Durable competitive advantage
2. Less than 40% = Competition eroding margins
3. Less than 20% = no sustainable competitive advantage
Consistency of Gross Margin is key

Siam Technic Concrete PCL had a gross margin of 16.72% for the quarter that ended in Dec. 2025 => No sustainable competitive advantage


Be Aware

If a company loses its competitive advantages, usually its gross margin declines well before its sales declines. Watching Gross Margin % and Operating Margin % closely helps avoid value trap situations.


Siam Technic Concrete PCL Gross Margin % Related Terms


Siam Technic Concrete PCL Gross Margin % Historical Data

* Premium members only.

The historical data trend for Siam Technic Concrete PCL's Gross Margin % can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Siam Technic Concrete PCL Gross Margin % Chart

Siam Technic Concrete PCL Annual Data
Trend Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Gross Margin %
Get a 7-Day Free Trial 16.63 14.96 18.17 20.26 19.27

Siam Technic Concrete PCL Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
Gross Margin % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 21.85 22.73 19.69 16.68 16.72

BKK:STECH vs CRH, VMC, MLM: Gross Margin % Comparison

For the Building Materials subindustry, Siam Technic Concrete PCL's Gross Margin %, along with its competitors' market caps and Gross Margin % data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Siam Technic Concrete PCL Gross Margin % vs Building Materials Industry

For the Building Materials industry and Basic Materials sector, Siam Technic Concrete PCL's Gross Margin % distribution charts can be found below:

* The bar in red indicates where Siam Technic Concrete PCL's Gross Margin % falls into.


BKK:STECH
82GF Score
Siam Technic Concrete PCL BKK:STECH
Gross Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
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Siam Technic Concrete PCL Gross Margin % Calculation

Gross Margin is the percentage of Gross Profit out of sales or Revenue.

Siam Technic Concrete PCL's Gross Margin for the fiscal year that ended in Dec. 2025 is calculated as

Gross Margin % (A: Dec. 2025 )=Gross Profit (A: Dec. 2025 ) / Revenue (A: Dec. 2025 )
=420.2 / 2180.751
=(Revenue - Cost of Goods Sold) / Revenue
=(2180.751 - 1760.573) / 2180.751
=19.27 %

Siam Technic Concrete PCL's Gross Margin for the quarter that ended in Dec. 2025 is calculated as


Gross Margin % (Q: Dec. 2025 )=Gross Profit (Q: Dec. 2025 ) / Revenue (Q: Dec. 2025 )
=86.5 / 517.034
=(Revenue - Cost of Goods Sold) / Revenue
=(517.034 - 430.571) / 517.034
=16.72 %

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

A positive Gross Profit is only the first step for a company to make a net profit. The gross profit needs to be big enough to also cover related labor, equipment, rental, marketing/advertising, research and development and a lot of other costs in selling the products.

Frequently Asked Questions Learn more about Gross Margin % →
What does a Gross Margin % of 16.72% mean?
Siam Technic Concrete PCL (BKK:STECH) has a Gross Margin % of 16.72% as of Dec. 2025. Gross margin is the ratio of total gross profit to net sales. View historical data on Siam Technic Concrete PCL and its competitors. This is 13% below median its historical median of 19.27. Over the past decade, Siam Technic Concrete PCL's Gross Margin % has ranged from 14.96 to 21.27. According to the industry distribution chart, Siam Technic Concrete PCL ranks #267 out of 396 companies in the Building Materials industry, placing it in the top 67.4%.
Is Siam Technic Concrete PCL's Gross Margin % too high?
Siam Technic Concrete PCL's current Gross Margin % of 16.72% is 13% below median its 10-year median of 19.27. Over the past 10 years, this metric has ranged from a low of 14.96 to a high of 21.27. The Building Materials industry median Gross Margin % is 26.16. Siam Technic Concrete PCL's value of 16.72% is 36.1% below this industry median. Based on the distribution chart, Siam Technic Concrete PCL ranks #267 out of 396 companies in the Building Materials industry, which is below the industry midpoint. Overall, Siam Technic Concrete PCL has a GF Score™ of 82/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Siam Technic Concrete PCL's Gross Margin % compare to CRH and VMC?
According to the Building Materials industry distribution chart, Siam Technic Concrete PCL ranks #267 out of 396 companies for Gross Margin %. This places Siam Technic Concrete PCL in the lower half of its industry. The industry median Gross Margin % is 26.16. Siam Technic Concrete PCL's value of 16.72% is 36.1% below this benchmark. Historically, Siam Technic Concrete PCL's own Gross Margin % has ranged from 14.96 to 21.27 over the past decade. While the company's 10-year median is 19.27 vs. the industry median of 26.16, Siam Technic Concrete PCL has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Gross Margin % for a Building Materials company?
The median Gross Margin % among Building Materials companies is 26.16, based on 396 companies in the industry. Companies in the top quartile (top 25%) have a Gross Margin % significantly above this median, while those in the bottom quartile fall well below. However, Gross Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Siam Technic Concrete PCL's current Gross Margin % of 16.72% is 36.1% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Gross Margin % mean?
A high Gross Margin % can signal that a stock is expensive relative to its fundamentals. Gross margin is the ratio of total gross profit to net sales. View historical data on Siam Technic Concrete PCL and its competitors. For the Building Materials industry, the median Gross Margin % is 26.16 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Siam Technic Concrete PCL's current Gross Margin % is 16.72%, which is 13% below median its own 10-year median of 19.27. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Siam Technic Concrete PCL stock overvalued right now?
Based on GuruFocus' analysis, Siam Technic Concrete PCL (BKK:STECH) is currently considered Modestly Undervalued. The stock's GF Value™ is ฿1.38, compared to a current price of ฿1.15 — trading 16.7% below its estimated fair value. The current Gross Margin % is 16.72%, which is 13% below median its 10-year median of 19.27 and 36.1% below the Building Materials industry median of 26.16. Siam Technic Concrete PCL's overall GF Score™ is 82/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Gross Margin % calculated?
Gross Margin % is calculated from a company's financial statements. For Siam Technic Concrete PCL (BKK:STECH), the current Gross Margin % is 16.72% as of Dec. 2025. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Siam Technic Concrete PCL (BKK:STECH) Overvalued in 2026?

Based on GuruFocus' analysis, Siam Technic Concrete PCL stock appears to be undervalued. The current stock price of ฿1.15 is trading 16.7% below its estimated GF Value™ of ฿1.38. GuruFocus considers Siam Technic Concrete PCL to be Modestly Undervalued.

Key valuation signals for BKK:STECH:

  • Gross Margin %: 16.72% (13% below median its 10-year median of 19.27)
  • GF Value™: ฿1.38 vs. price of ฿1.15 (16.7% below fair value)
  • GF Score™: 82/100 with 2 warning signs
  • Industry Position: 36.1% below the Building Materials median (#267 of 396)

No single metric tells the full story. See the BKK:STECH stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Siam Technic Concrete PCL Business Description

Address Ngamwongwan Road, No. 50 Soi Ngam Wong Wan 47, Intersection 20, Thungsonghong Sub-district, Laksi District, Bangkok, THA, 10210
Siam Technic Concrete PCL is engaged in the manufacture of prestressed concrete products and construction contractor service. The firm has two reportable segments namely Sale of goods and services and Construction. The company generates the majority of its revenue from the Sale of goods and service segments. The Company is managed and operates principally in Thailand.
82GF Score

Get the complete analysis for BKK:STECH

Gross Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

฿1.15
Price
฿1.38
GF Value