

About Trocal
Since the 1950s, Trocal has been an excellent example of modern window and door profiles. Trocal is currently a globally recognized company, having produced its first window profiles back in 1954. This success is due to one key reason: excellent quality combined with high comfort. Trocal profiles are continuously developed and improved. The Standard 88 profile is one of the company's latest and most promising innovations, reaching passive house values even in its standard version.
The Cold Stays Outside
Advanced Trocal technology ensures the best possible protection against cold. The thermal transition coefficient of Uf = 0.95 W/m²K speaks for itself. Almost no heat escapes the room, and cold air stays out. It should be noted that the Trocal 88MD Standard profile allows airflow from inside to outside.
Efficient Thermal Insulation Protection
For customers, this means a low thermal conductivity coefficient contributing to both living comfort and low energy costs. For passive houses, Trocal 88 windows and doors are the perfect choice.
Light Comes In
The optimal width for PVC profiles guarantees high stability while providing an elegant frame width. Trocal 88 profiles look sophisticated while allowing maximum light penetration. Working or living in spaces equipped with Trocal 88 Standard profiles means optimal use of daylight, which is healthier and cheaper than artificial lighting.
Enjoy the Silence
Noise protection is a vital health factor. Trocal engineers place great value on improving sound insulation. The Trocal Standard 88MD profile makes a value of 45 dB accessible, meaning almost no annoying sounds penetrate the house, even on busy streets.
Stop Thieves
Burglary protection is equally important. Trocal 88 profiles perform perfectly here due to the low-positioned lock which is additionally supported. Combined with modern hardware and solid building depth, uninvited guests stand no chance.
EXTOL is a family company with more than 30 years of experience in the wholesale of PVC and ALU profiles, hardware, decorative panels, and glass, as well as in the production of high-quality custom joinery. Our production relies on modern CNC lines that allow for fast, precise, and reliable manufacturing of windows, doors, sliding systems, facades, terraces, and other elements for residential and commercial buildings. In addition to delivery to your address, we provide professional installation as well as free consulting. Through our online configurator, you can easily calculate the product price, send an inquiry, and receive a personalized offer. Our mission is to find the best solution that fits your needs – reliable, efficient, and long-lasting.
EXTOL – Windows and doors tailored to the heart
Our company produces windows, balcony, and terrace doors from Trocal 88 profiles. The profile is suitable for tilt-and-turn windows as well as French windows. For EXTOL, windows with ornamental glazing and various design variants are possible. We offer sun and insect protection compatible with Trocal 88 Standard profiles. EXTOL products are individually made upon request using state-of-the-art techniques.
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