We’re excited to welcome Steven Baczek – renowned American architect, building science expert, and influential voice in the residential design and construction world – to OKNOPLAST headquarters in Poland.

In small spaces, every inch counts—including your windows. The right window design can make a compact room feel bigger, brighter, and more functional. Unlike traditional windows that take up valuable space, tilt and turn windows offer a sleek, space-saving solution with superior ventilation, security, and modern aesthetics.

Window sizes are fairly standardized among manufacturers, but there are important factors to keep in mind. In this article, we’ll walk you through standard window sizes, breaking them down into different types, including common double-hung windows and the latest trend—Tilt and Turn windows.

We’ll also cover essential topics such as view area and rough openings, helping you make informed decisions when selecting the right windows for your project.

When it comes to securing your home, the range of options from various manufacturers can feel overwhelming. With so many features to compare, it’s not always easy for homeowners to understand which solutions truly enhance security and which are just marketing buzzwords. That’s why we’ve written this article—to cut through the noise and provide clear insights into what security features really matter.

A child’s room is a space for imagination and growth, but ensuring it’s safe is just as important. Windows play a crucial role by providing natural light and ventilation, but they also need to be secure and child-proof. OKNOPLAST windows combine safety features like Tilt and Turn technology and lockable handles with a sleek, modern design, offering the perfect solution for parents. In this article, we’ll explore how these windows can enhance both the safety and style of your child’s room.

During industry events, we frequently encounter investors and construction professionals who ask us the same question: “Can you create windows for non-standard openings?” This is especially common when working with historical buildings that weren’t constructed with today’s standardized dimensions in mind.

While standard window sizes serve many projects well, the growing demand for custom windows reflects both practical necessity and evolving design preferences. In this article, we will answer when custom windows may prove great, and to add one more reason, we will also touch on the tilt and turn custom windows that are taking the market by storm.

Tilt and Turn windows have evolved from a European novelty to a premium option in American homes, offering unique 2-in-1 functionality that standard double-hung or casement windows don’t provide. At OKNOPLAST, the most common question we hear during events is, “Aren’t they expensive?” 

In 2025, energy efficiency remains one of the top priorities for homeowners replacing or upgrading their windows. While interest in triple glazed windows continues to grow, double glazing still offers a reliable balance of performance and affordability.

Tilt and Turn windows are transforming the way we think about home design. These innovative windows combine functionality, safety, and energy efficiency, making them a versatile choice for modern homes, even passive ones.  

At the forefront of this innovation are OKNOPLAST Tilt and  Turn Windows, which set the standard in the industry with their advanced engineering, sleek designs, and commitment to sustainability. Let’s see what makes those windows so unique.