• Linha Marítima PVC — Janelas para Casas na Praia
  • PVC sliding windows and doors with wood-effect finish, installed in a modern home
  • Contemporary home with large high-performance PVC windows overlooking the garden
  • Modern interior with PVC windows offering high thermal and acoustic insulation, connecting the dining room to the garden

Maritime PVC Frames for Beach Houses and Coastal Homes

Discover the Maritime PVC Frame Line by CaixilhoPVC — premium uPVC windows and doors designed for homes in the Algarve and other coastal areas of Portugal. Built to withstand salt air, humidity and strong sun exposure, this solution offers greater durability, lower maintenance and better year-round comfort.

Maritime PVC window line designed for beach houses and coastal homes

Living Near the Sea Brings Specific Challenges for Your Windows

  • Marine Environments Accelerate the Corrosion of Standard Window Hardware
  • Salt in the Air Reduces the Durability of Non-Protected Materials
  • Strong Solar Exposure Increases the Energy Consumption of the Home
Greater durability. Less maintenance. Better comfort for coastal living.

Why the Maritime PVC Window Line Is Different?

Marine-grade anti-corrosion hardware for PVC windows in coastal homes

Anti-Corrosion Hardware for Coastal Environments

Hardware with marine-grade anti-corrosion treatment, specially designed to resist salt air and constant humidity typical of coastal areas. This ensures greater durability, reliability and reduced maintenance over time.

UV and salt-resistant PVC window profiles for houses near the sea

Salt-Resistant and UV-Protected uPVC Window Profiles

Our high-performance uPVC profiles are designed for coastal environments, helping protect your home against strong sun, salty air and humidity. They maintain thermal efficiency, structural stability and visual appeal over time, making them ideal for homes in the Algarve and other seaside locations.

Reinforced sealing system in PVC windows to prevent infiltration and humidity in coastal homes

Reinforced Sealing Against Humidity

Advanced sealing systems designed to protect against water infiltration, condensation and air leakage.
This improves indoor comfort and increases energy efficiency in coastal homes.

Double glazing with solar control in PVC windows to reduce indoor heat in coastal homes

Double Glazing with Solar Control

Technical glass designed to reduce excessive heat while maintaining natural light. This solution helps keep homes cooler and significantly reduces energy consumption.

10+

Years of Experience

CaixilhoPVC Locations in Portugal

Specialised Installation for the Algarve and Coastal Areas

We provide expert installation of uPVC windows and doors for homes located near the sea, with solutions tailored to the specific challenges of coastal climates. Our systems are designed to perform well in environments exposed to salt air, humidity and intense sun, making them an excellent choice for properties in the Algarve and across Portugal’s coastline.

Our services are available in the main Portuguese coastal regions, including Algarve, Costa Vicentina, Setúbal and Arrábida, Cascais and Estoril, Costa da Caparica, Figueira da Foz, Aveiro, Porto Coastline and Viana do Castelo.

  • Personalized service and free quotes

  • Professional installation with quality assurance

  • Technical assistance nationwide

  • Get Free Technical Advice for Your Beach House

Winkhaus Hardware: maximum security and durability in tilt-and-turn windows.
Maritime PVC window line designed for beach houses and coastal homes
Resistant to moisture and corrosion

Winkhaus Tricoat Hardware – Superior Protection for Coastal Environments

Windows are only as secure and durable as the hardware that supports them. At Caixilho PVC, our projects are equipped with Winkhaus hardware with Tricoat coating, an advanced anti-corrosion technology designed to withstand the most demanding environments.

The Tricoat treatment creates a highly resistant protective barrier against humidity, salt air and oxidation, making it particularly suitable for homes located near the sea and in coastal regions, where salt exposure accelerates the deterioration of conventional hardware.

  • Exceptional corrosion resistance

  • Smooth and reliable operation

  • Longer lifespan and durability

It is the ideal solution for homes and apartments located on the first line of the sea, where maritime exposure requires hardware specifically designed to last.

 Professional installation of double glazing for PVC windows
Maritime PVC window line designed for beach houses and coastal homes

Double Glazing with Solar Control for Beach Houses

The Maritime PVC Line integrates high-performance double glazing, specifically prepared for coastal environments. These glass systems reduce excessive heat, improve thermal and acoustic insulation, and increase the energy efficiency of the home.

This solution provides superior comfort and reinforced protection for houses located near the sea.

Coastal Solar Control

Profile Options for uPVC Windows

The Maritime PVC Frame Line can be configured with different high-performance window profiles, depending on the required insulation level, design preferences and project requirements.

Aluplast Ideal 4000 uPVC Frame Profile – Modern Design & Energy Efficiency

Aluplast Ideal 4000

The Aluplast Ideal 4000 offers an excellent balance between modern design and thermal efficiency. With a 70 mm profile depth and 5 or 6 chambers, it ensures superior thermal and acoustic insulation, making it an ideal solution for renovation and construction projects focused on comfort and energy savings.

Aluplast Ideal 7000 uPVC Frame Profile with Advanced Thermal and Acoustic Insulation

Aluplast Ideal 7000

The Aluplast Ideal 7000 combines a robust 85 mm profile with 6 chambers, ensuring maximum energy efficiency and a contemporary design. Ideal for projects requiring triple glazing, it provides high-level thermal and acoustic insulation, delivering greater security and comfort.

Aluplast Security Technology in uPVC Joinery for Maximum Protection Against Break-Ins

Aluplast Ideal 8000

The Aluplast Ideal 8000 is Aluplast’s premium solution, with 6 chambers and an 85 mm profile depth, delivering maximum thermal and acoustic performance. Perfect for projects that demand the highest standards in insulation, security and customisable design, it is ideal for large glazed surfaces.

The Smart Choice for Your Window Project

Why choose Caixilho PVC for your uPVC windows and doors project?

Trusted Warranty

We offer solid warranties

10-Year Warranty on uPVC Windows – Caixilho PVC Quality Assurance
  • 10 years for Aluplast profiles, ensuring a durable and stable structure

  • 5 years for hardware and glazing, protecting essential elements against wear and tear

  • 2 years for roller shutters, ensuring reliable and efficient operation

Quick Response Time

Fast and hassle-free installation

Certified uPVC window installers – Caixilho PVC responsibility guarantee
  • 3 to 4 weeks for white profiles

  • 5 to 6 weeks for coloured profiles (confirmed case by case)

  • 8 to 9 weeks for doors, depending on complexity

Premium Glass

Advanced PressGlass technology

PressGlass thermal break glazing for uPVC windows with maximum energy efficiency
  • Double or Triple PressGlass Glazing – Superior thermal and acoustic insulation, keeping your home warm in winter and cool in summer.

  • Certified Argon Gas – Greater energy efficiency and comfort, with noise reduction and energy savings.

  • European Standard EN 1279 – Guarantee of quality, durability, and sustainability in every project.

We explain everything you need to know.

Everything You Need to Know About Coastal PVC Windows