Exterior doors
External doors are a key element of every home, combining protective and aesthetic functions. They protect the interior from weather conditions and provide security, while also being the building's showcase. Made of various materials, such as PVC, aluminum or wood, they can be adapted to the architectural style of the house. External doors also offer excellent thermal and acoustic insulation, which contributes to the comfort and energy efficiency of the house. It is not only a functional but also a decorative element that emphasizes the character of the building.
Aluminum Doors it is, above all, modern design and exceptional resistance to external factors.
Wooden doors combine the elegance of natural wood with exceptional durability and insulation, providing a warm and cozy look to any interior. Made from the highest quality wood, these doors offer not only aesthetics but also excellent acoustic and thermal properties, perfect for your home.
UNIQUE DESIGN
As a manufacturer of windows and doors with extensive experience in the industry, we offer a number of proven solutions. Bertrand's offer includes steel, aluminum, wooden and PVC external doors - all of these variants are characterized by high quality production, the use of durable materials and functionality. There are many designs, technical solutions and accessories to choose from that influence aesthetics, safety and comfort of use.
Knowledge zone
Get to know us behind the scenes of our activities and stay up to date with the innovations we are preparing for you!
Blog
Panoramiczne drzwi tarasowe dla Twojego domu
Drzwi podnoszono-przesuwne HST Panorama od firmy Bertrand to innowacyjne rozwiązanie, które łączy nowoczesny design z funkcjonalnością, oferując użytkownikom wyjątkowy komfort
Blog
Systemy w praktyce – Realizacje Bertrand
W firmie Bertrand uważamy, że najlepszym sposobem na zaprezentowanie jakości i funkcjonalności naszych produktów jest pokazanie ich w rzeczywistych warunkach,
Blog
Historia okien: Od kamiennych otworów po inteligentne powłoki termiczne
Okno – z pozoru prosta konstrukcja, ale od wieków towarzysząca ludzkości, przechodząc ewolucję równą rozwojowi cywilizacji. Dziś stanowi nie tylko