Ultra-Large Opening Soundproof Solutions Simulated Double Hung Windows Energy Efficient Vertical Sliding Slide Up Window

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Looking for new windows for your home? Explore PUERTANA's wide variety of home window styles and shapes and find the perfect complement to your home. Select a style below to view the product lines and learn more about the types of windows PUERTANA offers.

Product Description

Glass Standard	Comply with AS2208 / IGCC / CE / ISO
Standard/Certificate	Comply with AS2047 / CE / ISO
Thermal Insulation	U value from 1.5 to 2.0 W/M2k
Window Rating	N6
Sample lead time	7 days
Water penetration	600 pa
Ultimate strength	4500pa
Air infiltration	75/150
Extrusion alloy	6063-T5 profile with 1.2-2.5 mm thickness for window
Hardware	China top brand;German brand with 10 year warranty
Surface treatment	Powder coated, Electrophoresis, PVDF, Anodizing, or wood color
Packing	Wooden or Carton Box with Bubble Bag, Clear film,Foam inside.
Delivery	15-35 Days after order confirmed

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Double-Hung windows

have two operating sash that move up and down allowing for ventilation on the top, bottom or both.

Single-Hung windows

allow ventilation through a single operable lower sash. Both offer easy cleaning from inside your home and remain flush with the wall, making them ideal for patios or walkways..

Double Hung vs. Single Hung Windows

Compare the differences between double hung vs. single hung windows. Choosing a double hung or single hung window will come down
to 4 essential factors. Often, people focus solely on the energy efficiency of a window, but that should not be the only
consideration. When purchasing windows, you want to ensure the windows you’re getting will meet your requirements.

1.Operating Sashes – Single has 1, Double has 2

Double hung windows have two sashes that move up and down. A single hung window features one operational sash. Double hung windows make cleaning the top sash easier. Harvey double hung windows have sashes that both tilt in for easy cleaning inside and out; and for easy sash replacement if something smashes through the glass.

2. Cost – Single-Hung is usually less expensive

Single hung windows typically cost less than double hung windows. Mainly because they contain less moving parts and are easier to manufacture. Installation is often cheaper for a single hung window; there are fewer moving parts, whereas a double hung requires
more work to ensure airtightness. Sometimes builders choose a single hung window to cut down on the cost of their project. If you hire a window installer, be sure to ask which type of window you are buying.

3. Ventilation Control – Double Hung vents better

Single hung windows provide ventilation control only by the amount you open or close the bottom sash. So, it makes sense that single hung windows offer less ventilation than double hung windows. In contrast, double hung windows allow the top sash to ventilate hot air and the bottom sash to circulate the air. The in-and-out ability provides more ventilation and versatility.

Peace of mind

Unrivalled craftsmanship and performance guarantees

We pride ourselves in the premium quality that our doors deliver. Every stage of the manufacturing process takes place in-house so that we can ensure the highest quality and an exceptional standard to each of our products. Combining skilled craftsmen with high quality components allows us to offer a ten year warranty.

Company Profile

Founded in 2010,Foshan Puertana building materials Co.,Ltd. is a modernized enterprise that specializes in high-end aluminum alloy doors&windows,solid interior frosted glass doors,sunrooms and shower rooms etc, integrating R&D,manufacturing,sales and service.It covers 30,000 square meters, and has over 500 staffs.

We are One Stop Building Materials Supplier , we mainly working with the Housing Builder, Developer, Contractor and individul houses , most of our customers from North America , Europe , Australia , and our products can meet the local Building Code.