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A UPVC window spacer is a plastic strip that separates two panes of glass in double-glazed windows. It is made of unplasticized polyvinyl chloride (UPVC), a stiff and durable type of PVC that is not made with the chemical DEHP, which is considered a hazardous substance. UPVC windows spacers improve the energy efficiency of windows by reducing heat transfer between the inside and outside. They also improve sound insulation by reducing noise transfer through the glass. UPVC window spacers can be recycled at the end of their life, making them a more environmentally friendly option compared to other types of window spacers. Here are some common types:
UPVC window spacer bars are placed between two pieces of glass in double-glazed windows. They have an important role in keeping windows airtight and preventing condensation. Here are some key features:
Warm Edge Technology
Some spacer bars have a special design called warm edge technology. This helps prevent heat from escaping through the window. Warm edge spacers are made of materials that conduct heat less than metal. This reduces cold spots around the glass where condensation can form.
Non-Metallic Core:
Many warm-edge spacers have a core made of non-metal, like polymer. The polymer core provides insulation better than metal. This helps keep the interior pane of glass warmer and reduces condensation risk.
Low Conductivity:
Warm-edge spacer bars are designed for low thermal conductivity. This means they do not transfer heat well. By conducting heat poorly, they help maintain a warmer temperature at the edge of the window glass. This is especially important during cold weather when heat can escape through uninsulated spacers. Lower conductivity also reduces the chance of moisture forming on the glass and freezing into frost.
Moisture Resistance:
UPVC window spacers are resistant to water and air. They help form an airtight seal around the glass. This prevents moisture from getting inside the window and stops fogging or condensation between the panes. Spacer bars also have special coatings that block UV light and provide more protection against water.
Durability:
UPVC window spacers last for a long time. They do not rust, rot, or break down easily. The material can withstand exposure to the sun, rain, and changing temperatures without losing effectiveness. UPVC spacers have a lifespan of over 30 years. They keep windows insulated and airtight for many years with little maintenance required.
Thermal Breaks:
Some spacer bars have thermal breaks added. These are materials put in between metal parts to reduce heat flow through the bar. Thermal breaks improve insulation by slowing down heat transfer across the window frame. This keeps the glass warmer and cuts condensation risk.
When looking for an UPVC window spacer bar for sale, it is important to take time and choose the right one. Here are some factors to consider when choosing a window spacer bar:
Look at the thermal performance of the spacer bars. Select a spacer with a low thermal transmittance value. This shows the bar has good insulation. A window with an insulated spacer will help reduce heat loss. A window with an insulated spacer will help reduce heat loss. An insulated window will also minimize condensation between the panes.
Check the condensation resistance of the spacer. A spacer with a good condensation resistance rating will form minimal moisture between the glass panes. This will help maintain the aesthetics and visibility of the windows.
Look at the durability of the spacer material. Select a material that has a long lifespan and needs minimal maintenance. This will reduce the need for frequent window repairs or replacements. A durable spacer will also enhance the durability of the entire window.
Look at the cost of the UPVC window spacer. Select a window spacer that is within budget. However, do not compromise on quality for the price. Select a spacer that offers the best value for the price.
Examine the aesthetic appearance of the spacer bar. Look for a spacer with a design that will complement the window frame. Also, select a spacer whose color will enhance the visual appeal of the window.
Check the UV resistance of the spacer. Select a spacer that can withstand harsh UV radiation. A UV-resistant spacer will maintain its structural integrity and color over time.
Examine the compatibility of the spacer with different types of glass. Choose a spacer that can work well with various types of glass. A versatile spacer will offer more design flexibility.
Check the ease of installation of the spacer. Select a spacer that is easy to install. This will help save on labor costs.
Q1: What are the main benefits of using UPVC window spacer frames?
A1: UPVC window frames provide improved thermal insulation. They help reduce heat transfer between the inside and outside. This keeps rooms warmer in winter and cooler in summer. UPVC frames are also durable and require less maintenance compared to materials like wood. They won't rot, warp, or need painting. UPVC frames can also improve security since they are strong and resistant to forced entry.
Q2: Are UPVC window spacers environmentally friendly?
A2: UPVC has some recycling capabilities. While not completely recyclable, manufacturers are able to recycle old UPVC windows into new ones several times. The frames also have a long lifespan. This means they won't need to be replaced as often, which conserves materials and energy. Additionally, UPVC windows improve a building's energy efficiency by reducing heating and cooling needs.
Q3: How can one tell if windows have UPVC spacers?
A3: Look for the white or cream colored frames. UPVC windows are usually these colors. However, they can also be made in other colors like brown, gray, or black. UPVC frames have a smooth, slightly shiny surface that is easy to wipe clean. Unlike wood, UPVC will not show any grain or texture patterns. A simple scratch test can be done. Use a key or fingernail to scratch an inconspicuous spot. If the key leaves a noticeable mark, the frame is most likely not UPVC. Genuine UPVC is durable against such scratches. If the frame shows signs of damage from the scratch, it indicates it is not UPVC.
Q4: Can one install UPVC Windows himself?
A4: Installing UPVC windows requires technical skills and experience for proper installation. Incorrect installation can lead to issues like drafts, leaks or security risks.
Q5: How to maintain UPVC Windows?
A5: Cleaning them regularly with soapy water is sufficient maintenance. Use a soft cloth to wipe the frames and glass. Avoid harsh chemicals or abrasive materials that can damage UPVC or the glass surface.