SERVICE

LIMITED WARRANTY -

Doorwin Windows, Inc. warrants that its aluminum frame windows and doors are free from workmanship and material defects for a period of ten (10) years from the date of purchase, provided the products are used under normal conditions and maintenance. Please note that if the shipment is delayed at the customer's request or due to force majeure, the warranty period will start from the date of shipment. This applies to all warranties mentioned hereafter

This warranty covers only defects in materials and manufacturing, as specified herein, and excludes damage caused by improper installation, normal weathering, accidents, fire, flooding, acts of God (e.g., lightning, tornadoes, hurricanes), vandalism, riots, civil disturbances, misuse, exposure to harmful chemicals or fumes, mildew, structural failures, building settlement, excessive localized heat, or any circumstances beyond the control of Doorwin Windows, Inc. Glass shattering, or damage to screens caused by high winds or wind-borne debris, is not covered by this warranty, provided the glass remains adhered to the interlayer. Similarly, damage caused by flying glass or debris, or when the wind conditions exceed established engineering parameters, is not considered a defect in materials or manufacturing. This warranty is transferable and supersedes all other express warranties. Doorwin Windows, Inc. shall not be liable for special, punitive, indirect, incidental, or consequential damages resulting from the use of the product, or for delays in the performance of this warranty due to force majeure. Any implied warranties, including those of merchantability and fitness for a particular purpose, are limited to the duration of the express warranty.

Aluminum Frame - 10 Years
The aluminum frame is warranted against materials and workmanship defects for ten (10) years from the date of purchase, under proper use and installation. This warranty covers ordinary wear and tear, but excludes alterations or misuse. If defects occur, Doorwin Windows, Inc. will provide replacement parts at no charge. This warranty becomes void if the aluminum surface is altered, repainted, or stained.

Hardware Components - 10 Years
Hardware components (e.g., locking mechanisms, hinges, handles, rollers, open limiters, connecting bars) are warranted for ten (10) years from the date of purchase. Doorwin Windows, Inc. warrants against peeling, flaking, rusting, blistering, and corrosion of hardware for ten (10) years from the date of purchase. If defects occur, replacement parts will be provided at no charge.

Screen Frame - 10 Years
The aluminum screen frame is warranted against peeling, flaking, blistering, and corrosion for ten (10) years from the date of purchase. If defects occur, replacement parts will be provided at no charge.

Insulated Glass - 10 Years
The insulated glass units installed in Doorwin Windows, Inc. products are warranted against defects resulting in material obstruction of vision due to moisture or dust accumulation in the sealed unit. This warranty covers a period of ten (10) years from the date of installation (a period of twenty-five (25) years particularly for TPS/4SG insulated glass units). If such defects occur, Doorwin Windows, Inc. will replace the insulating glass unit at no charge. After ten (10) years, replacement of the insulating glass unit may incur a charge. Condensation that forms on windows or doors due to natural humidity levels or temperature differentials is not a defect and is not covered by this warranty.

Spontaneous Breakage – 10 Years
Doorwin Windows, Inc. warrants against spontaneous breakage in glass panels for ten (10) years after purchase. Spontaneous breakage may result from natural settling or extreme thermal changes, and are not considered materials or workmanship defects. If spontaneous breakage occurs within the warranty period, Doorwin will provide a replacement panel at no cost (installation costs are not covered)。

Laminated Glass Unit – 10 Years
Laminated glass units are warranted against defects resulting in obstruction of vision or delamination for a period of ten (10) years from the date of purchase.


Claims Procedure

Claims for defects under this warranty should be submitted to Doorwin Windows, Inc. promptly in writing. The claim must include the product order number and specify the nature of the defect. A reasonable period will be allowed for inspection. Customers may support their claims with photos or videos as evidence.

Repair Procedure

This warranty is limited to the repair or replacement of defective parts, at Doorwin Windows, Inc.'s discretion. Color matching is not guaranteed. If a claim is validated, Doorwin will repair or replace defective parts free of charge.

Labor Costs

Labor costs are not included under this warranty. Doorwin Windows, Inc. and its distributors will not be responsible for any removal, replacement, installation, or reinstallation costs.

Warranty Extension

The original warranty period will not be extended by any repair or replacement. However, the remaining warranty period will continue to apply to the repaired or replaced component.

Product Changes

Doorwin Windows, Inc. reserves the right to discontinue or modify any product. If an original part is unavailable, Doorwin may substitute it with a part of equal quality and price.

Other Warranty Considerations

Caulking used to seal window frames or trim against water or air penetration is not covered under this warranty and is considered the homeowner's responsibility.

The warranty is void if non-Doorwin products are used in a manner that causes defects in the Doorwin product.

This limited warranty provides specific legal rights. Additional rights may vary by state.



INSTALLATION NOTICE-

For optimal performance, we recommend using a Doorwin-certified installer. Before installation, confirm that the rough opening sizes are accurate. Typically, the rough opening (RO) should be 3/4" larger in width and height than the actual window or door sizes (from frame to frame), as per the submitted shop drawings.

Ensure the window or door frame is level, plumb, and square within the opening. A Laser Level or similar measuring device should be used for accuracy.

Installation methods:

■ For wood structures: Use integrated nailing flanges or metal clips around the frame.

■ For steel, ICF, or concrete walls without wood bucks: Use metal clips for installation.

■ For hinged doors and lift & slide doors: Use pre-drilled holes in the frame to screw into the wall.