Certifications & Test Reports
Over 50 USA & EU fenestration certifications and test reports.

French doors add elegance and charm to any home, but over time, they may require maintenance or replacement. One common issue with French doors is double pane glass replacement. In this blog post, we will explore the importance of double pane glass, signs that your French door glass needs replacement, and the steps involved in replacing double pane glass in French doors.
Double pane glass, also known as insulated glass, consists of two glass panels separated by a layer of air or gas. This design helps to reduce heat transfer, making your home more energy-efficient. It enhances thermal insulation, reduces outside noise, and provides better security by acting as a deterrent against break-ins.
1. Foggy Glass: If you notice condensation or fog between the glass panes, it indicates a seal failure. This occurs when the insulation barrier is compromised and allows moisture to enter the space between the panes.
2. Cracked or Damaged Glass: Cracks or chips in the glass not only compromise the aesthetics but also the structural integrity of your French doors. Prompt replacement is necessary to maintain your home's security.
3. High Energy Bills: If you experience a sudden increase in your energy bills, it could be a sign of inadequate insulation in your French doors. Upgrading to double pane glass can help reduce energy loss and lower your heating and cooling costs.
Prioritize safety by wearing work gloves, safety goggles, and protective clothing. Double pane glass can be heavy, so enlist someone's help if needed.
Take the French door off its hinges by removing the pins or screws. Lay it flat on a sturdy work surface covered with a blanket or soft material.
Carefully remove any glazing beads or moldings that hold the glass in place. Use a putty knife or a glazing tool to pry them off. Take out the damaged glass panel.
Measure the dimensions of the opening and order a new double pane glass panel from a reputable supplier. Clean the edges of the glass with a mild glass cleaner and let it dry.
Apply a thin layer of caulk or glazing compound on the frame's perimeter. Carefully place the new double pane glass panel into the opening and press it firmly into the caulk or glazing compound.
Gently position the glazing beads or moldings back onto the frame, ensuring a secure fit. Use a putty knife to press them tightly against the glass.
With the new glass successfully installed, rehang the French door by aligning the hinges and securing them with pins or screws. Test the door's functionality and make any necessary adjustments.
French door double pane glass replacement is a viable solution for enhancing energy efficiency, improving security, and restoring the beauty of your doors. By following the steps mentioned above and prioritizing safety, you can successfully replace the glass panels in your French doors and enjoy all the benefits it brings.
french door double pane glass replacementWith Doorwin, you can have all of this with a simple move. This is because we believe that the best way to achieve your goals is by working with
our customers to find solutions to their problems.Our team of designers and engineers are dedicated to solving these problems by creating
products that are designed to be easy to install, easy to maintain and repair, while being cost-effective.
Over 50 USA & EU fenestration certifications and test reports.
TPS glazing ensures that no air leakage and fogging issues for 25 years warranty.
More than 4000 high-end bespoke fenestration projects in North America.
Doorwin products meanwhile with half price compared with your local dealers.
Our team of experts will work with you to develop a bespoke plan that fits your needs. We take a holistic approach to the planning process, combining our technical expertise with our knowledge of customer requirements and project constraints.
Doorwin is the manufacturer of full custom fenestration systems, and we're here for you. We provide you with the freedom to design your windows, doors, and more with no additional charge for special shapes, hardware styles, and color choices. Your vision is our inspiration; our job is to make it a reality.
Our products are made to pass your local inspector's verification and are built under USA building codes so you can rest assured that they are safe and sturdy. Choose Doorwin to experience the best bespoke fenestration service available today!
We take care of the entire process for you, from beginning to end. We have our own expertise and will provide free-charge design development & contract documentation with CAD and BIM drawings. In addition to elevation details and installation design, we will double-check that the products match the drawings and project specifications through video or pictures. We'll help you specify the delivery schedule and logistics service whilst keeping costs to a minimum.
We're proud to be one of the top exporters of windows and doors to the United States. We pack each window individually and in four layers, and finally into wooden boxes with non-fumigation, and at the same time, there will be a lot of shockproof measures in the container to protect your items. We ensure that your products will arrive at the sites in good condition after long-distance transportation.
Doorwin has been exporting tens of millions of dollars of windows and doors to the U.S. every year, and we know that improper packaging can cause breakage of the product when it arrives on site. What the client concerns, we concern most.
Doorwin experts are experienced in working with architects, builders and homeowners to ensre your vision becomes a reality.Welcome to visit a showroom, ask questions about product pricing, request a quote and more.
We are tested by the following standards:
-NFRC (North American Fenestration Rating Council)
-AAMA (American Architectural Manufacturers Association)
-WNMA (Wood National Monument Association)
-CSA101 (Canadian Standards Association)
-I.S.2 (International Standard ISO/IEC 17025)
-A440-11 (Standard for Fire Testing of Door Assemblies for Charging Rooms)
Doorwin is a company that specializes in custom-made doors and windows. We understand that every home is unique, and we are committed to providing you with the highest quality products possible.Our products are inspired by different lifestyles, and we respect your vision when designing them. Our designs are made specifically for you, so there is no additional cost. We work across styles and profiles, whether you're remodeling an old house or designing your new dream home. Find inspirations here and we will fulfill all your imaginations.