7 Ways to Insulate Your Drafty Windows and Keep the Cold Out

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Sash Windows Refurbish specializes in providing repair and restoration services for wooden windows and doors in the UK, as well as various types of carpentry. During the process of fulfilling orders, we utilize a range of tools and paints, including saws, sprays, primers, resins, and adhesives. With more than 20 years of experience in carpentry, we have tested and used various brands and types of work tools, making us well-equipped to offer helpful advice on selecting the right tools and paints for your needs. Read more ...

1. Assessing Window Conditions

Before implementing insulation measures, it’s crucial to evaluate the current state of your windows. Utilize a thermometer to identify temperature variations, indicating potential drafts. This step enables you to pinpoint specific areas needing attention, allowing for a targeted approach to insulation efforts.

2. Precision Caulking

Caulking proves to be a straightforward yet powerful method for sealing gaps and cracks around window frames. Select a high-quality, weather-resistant caulk suitable for your window material.

Thoroughly inspect each window, both inside and outside, and apply caulk to areas where air may infiltrate. Ensure a proper seal by smoothing the caulk with a tool or your finger, preventing drafts and enhancing overall energy efficiency.

3. Tactical Weatherstripping

Weatherstripping serves as a versatile and temporary solution to reduce drafts around windows. Apply weatherstrips to movable parts of the window, such as the sash, to create a tight seal. Various types of weatherstripping materials are available, including adhesive-backed foam tapes and V-strip weatherstrips.

Choose the appropriate type for your windows and follow the manufacturer’s instructions for installation. This cost-effective method can make a noticeable difference in preventing cold air from entering your home.

4. Transparent Window Sealing

Applying plastic film over windows provides a simple and affordable way to add an extra layer of insulation. Window insulation kits typically include plastic film and double-sided tape. Install the film by attaching the tape around the window frame and then applying the plastic.

Use a hairdryer to shrink the film, creating a tight, transparent barrier. This technique is particularly effective in reducing heat loss during colder months and can be easily removed when no longer needed.

5. Aesthetic and Functional Thermal Drapes

Thermal drapes, or curtains with insulating properties, offer both aesthetic appeal and functional benefits. Typically made from heavy fabrics or featuring thermal lining, these drapes help trap heat and block drafts.

Choose curtains that complement your interior decor while providing the desired level of insulation. Keep thermal drapes closed during colder seasons at night to retain warmth, and open them during the day to let sunlight in, maximizing both insulation and natural light.

6. Cellular Shades for Insulation and Style

Cellular shades, also known as honeycomb shades, consist of individual cells that trap air, creating an insulating barrier between the window and the room. These shades come in various styles, offering different levels of insulation.

Besides enhancing energy efficiency by reducing heat transfer, cellular shades provide privacy and light control. Select shades that fit your window size and preferences to achieve an optimal balance between insulation and aesthetics.

7. Additional Protection with Storm Window Inserts

Storm window inserts act as an additional layer of protection against drafts and temperature fluctuations. Installed on the interior side of existing windows, these inserts provide insulation by creating an air pocket between the original window and the storm insert.

Some storm window inserts are magnetic or attached with adhesive strips, making them easy to install and remove. Particularly useful in older homes with single-pane windows, they effectively improve energy efficiency without the need for a full window replacement.

FAQs

How do you make wooden windows warmer?

To make wooden windows warmer, consider applying weatherstripping around the frame to seal any gaps and using thermal curtains to enhance insulation. Additionally, applying a high-quality wood sealant can prevent drafts and improve the window’s overall efficiency.

How do I stop cold air from coming through my windows?

To stop cold air from coming through your windows, use draft stoppers or weatherstripping to seal gaps and cracks. Installing window film or thermal curtains can also provide an extra layer of insulation, reducing heat loss and preventing cold air infiltration.

How do you stop condensation on old wood windows?

To prevent condensation on old wood windows, ensure proper ventilation by using exhaust fans and opening windows regularly to allow moisture to escape. Applying a dehumidifier in the room can also help control indoor humidity levels, minimizing the likelihood of condensation on the windows.

About the author

Glen Ramsey, who presently holds the positions of customer support and content manager, is a cherished member of the Sash Window Refurbish team. He is in a unique position to provide advice on all questions pertaining to the renovation of historic windows because he has a wealth of experience in all elements of window renovation, dealing with clients regularly and assisting them in choosing the best window-related course of action. He oversees the creation of information for all of our platforms in his capacity as content manager, including web content and other materials. Glen has witnessed the whole gamut of Sash Window Refurbish's window restoration activities, from our work on significant listed Georgian homes to a wide variety of smaller-scale private residential projects.

Testimonials

My technician Andrew replaced all my sash windows that had rotten sills. Accessing the rotten sills was not an easy task. He explained to me what needed to be done in order to fix the problem. He is a great person and I’m happy that he was the one who did the job. He is reliable, tidy, friendly and very professional. I highly recommend him.

Trev

Client

I hired Andrew and Alex a while back to repair my damaged sash windows. They were was very considerate and very patient as he did his job. A few days ago, I had another problem with one of my sash lock keys and I called him again to come and fix the problem. I’m very impressed that Liam responded quickly and he not only fixed the problem but he also gave me a spare key. What a great after sales service!

Alan W.

Client

I’m very impressed with the new windows that Andrew installed and also the reconditioning job that he did on other sash windows. The quality of his work is by far more superior than what we got when we hired another company a few years back. We will certainly hire him again if any window work arises

Kelly (Sleaford)

Client

Our decorator referred us to Andrew because some of the work needed a window expert. Andrew together with our decorator did a fantastic job. The work was done efficiently and to the highest standards. Andrew is understanding, committed and very professional. I recommend him without any hesitation.

Steaven Reader

Client

Alex did a great job in fixing windows in our terraced house. The windows were broken, frames damaged and the wood was also rotten. Alex's job was high quality and he did it pretty fast. I was also very impressed that he was considerate of my son’s asthma condition and maintained cleanliness. Top work.

Alice

Client

Andrew just recently replaced three sash windows in my Edwardian house. He also repaired and replaced some sills and draught proofed three windows. In addition to that, he also did some carpentry work. What I like the most about Liam is that he did a clean job. He is very professional and always updated me about the timescales and costs. He also did his job with minimal disruptions. I highly recommend him.

Cris M.

Client