Grandsea manufactures premium sliding windows built for the U.S. market, combining durability, energy efficiency, and modern design. Available in aluminum, uPVC, and wood-clad options, our sliding systems deliver smooth operation and long-term performance for residential and commercial projects. Each window is engineered to U.S. standards, making it a reliable choice for importers, wholesalers, and contractors handling large-scale developments.
With OEM/ODM customization, flexible sizes, and multiple glazing and finish options, our sliding windows adapt to diverse architectural needs while offering competitive factory-direct pricing. Whether supplying distributors or managing housing projects, Grandsea provides a dependable supply chain and windows that balance style, comfort, and cost efficiency.
Our sliding windows use advanced double-glazing and airtight design to effectively block hot and cold air, significantly reduce energy consumption, and help you save up to 30% of energy expenses
Adopting a high-quality sliding rail system, you can get in with just a push, and the elderly and children can also operate it easily
The sliding opening method saves extra space and is suitable for rooms with limited space, such as kitchens, bedrooms, etc.
The ultra-large glass panel design minimizes frame obstruction, giving you a panoramic view of the outdoor landscape and allowing natural light to fully illuminate the interior
Multiple glass panels can be opened at the same time to create sufficient natural ventilation and effectively improve indoor air quality
Our sliding parts have been quality tested tens of thousands of times, and high-quality accessories minimize the frequency and cost of daily maintenance
This high-end sliding window adopts aviation-grade aluminum alloy frame and Low-E double-layer insulating glass, which has excellent suffocation performance. The unique sliding sliding design makes the window slightly raised when opened and tightly fits the sealing strip when closed to ensure the best sealing effect. Suitable for large-area window opening needs such as lobby and bedroom.
This economical sliding window is made of aluminum alloy material, with excellent weather resistance and heat preservation. The double track design can open two windows at the same time, providing a larger ventilation area. At the same time, the glass has built-in shutters, which is suitable for study rooms, balconies and other spaces that require light blocking.
Sliding windows open and close by moving one or more sashes along a track, either horizontally (for horizontal sliding windows) or vertically (for vertical sliding windows). This smooth movement is enabled by:
This design means that sliding windows do not take up any extra space when open, making them ideal for rooms with limited space.
Sliding windows are windows that open and close by sliding rather than relying on a rotating or tilting mechanism. They usually consist of at least one movable sash that slides along a horizontal or vertical path. They usually open and close by simply pushing the movable sash.
Here are some common sizes:
24 x 48 inches: Often used in bathrooms or smaller spaces
60 x 48 inches: Common in dining rooms, larger kitchens, living rooms, and bedrooms
72 x 60 inches: Large standard size commonly used in living rooms and bedrooms
Grandsea offers sliding windows that can be customized to your visual needs with different sizes and functions.
The best material for sliding windows depends on your specific needs: uPVC windows are economical and energy-efficient, with low maintenance costs; aluminum windows are lightweight, strong, durable, and can easily adapt to various architectural styles; aluminum-clad wood windows combine the classic appearance of wood with the durability of aluminum, offering excellent sound and heat insulation, though they come at a higher price point.
Copyright © Grandsea Building from 2003
Premium Materials | Advanced Technology | International Standards
Get a free quote from Grandsea