Do Solar Screens Block Light?

Published on: July 22, 2023
Written by Ferris Gregor / Fact-checked by Nova Scarlett

Solar screens, made specifically for windows, are known to block 65-90% of UV rays. They function effectively to prevent sunlight from increasing the indoor temperature of your home. However, they only reduce visibility by 15% – 40% based on the chosen fabric, ensuring ample light enters your home, conducive for indoor plants’ growth and overall vibrancy.

The debate about whether solar screens are worth it always circles back to their performance in heat blocking and light allowance. Solar shades have proven their effectiveness in blocking heat, making them ideal during hot seasons. They act as an efficient thermal barrier, significantly reducing the heat that can permeate through windows. This characteristic makes them one of the best solar shades for blocking heat.

do solar screens block light

The best solar screens for windows are those with optimal material. The finest solar screen material ensures adequate light entrance while still serving as an effective heat shield. Consequently, homes maintain an airy, light-filled ambiance, without the disadvantage of excessive heat gain.

Addressing another concern, it is confirmed that window screens indeed help with heat management. They prevent the direct entry of solar radiation into the home, keeping interiors cooler. Solar screens also play a role in maintaining proper airflow. Even though solar screen airflow might be slightly reduced due to the mesh design, it doesn’t hinder ventilation significantly. Therefore, while solar screens block a significant amount of UV rays, they still ensure a reasonable amount of light entry and do not drastically compromise the airflow. This balance of properties makes them an appealing option for heat and light control in residential settings.

The Basics of Solar Screens

Key Components and Structure

Solar screens consist of specially designed window screen mesh. Typically, these screens have a dense weave which allows them to reduce the amount of sunlight that enters a home. The material used to make the mesh is often a PVC-coated polyester, resulting in a durable and weather-resistant product. These screens are available in different colors, most commonly black, brown, and grey.

Categories of Solar Screens

Solar screens can be categorized based on the percentage of sunlight they block, their color, and the tightness of the weave in their mesh. The light blocking capacity is usually 65-90%, which indicates the amount of UV rays blocked. Color plays a role in aesthetics but also affects heat absorption, with darker colors generally absorbing more heat.

Table: A Comparison of Different Solar Screen Materials

MaterialDurabilityUV Blocking %Colors Available
PVC-coated polyesterHigh65-90%Black, Brown, Grey
PVC-coated fiberglassMedium65-90%Black, Grey
Metal WireLow50-75%Silver, Black

Solar Screens: Operation and UV Rays

Functionality of Solar Screens

Solar screens work by absorbing and dissipating a large portion of solar heat and glare before it reaches the window. The screens reduce the amount of light and heat entering the home, which can help keep the interior cooler, even on the sunniest of days.

Interaction Between Solar Screens and UV Light

The relationship between solar screens and UV light is one of the keys to their effectiveness. By blocking UV rays, solar screens help to reduce the heat that these rays can generate when they come into contact with the window glass. This is a significant factor in preventing homes from overheating during the summer months.

Table: UV Rays Blocking Capacity of Different Solar Screen Types

Solar Screen TypeUV Blocking %
PVC-coated polyester65-90%
PVC-coated fiberglass65-90%
Metal Wire50-75%

Light Transmission Through Solar Screens

Reality of Light Blocking by Solar Screens

Despite the high percentage of UV rays blocked, solar screens do not greatly impact the overall visibility or brightness inside the home. Most screens only limit visibility by about 15% to 40% depending on the fabric used. As a result, plenty of light can still enter the room.

Effect on Indoor Illumination

A well-chosen solar screen can maintain a comfortable level of light in your rooms. While they do filter the light that comes through the window, the screens typically do not darken the room but instead help avoid the harsh glare of direct sunlight.

Determining the Light Blocking Capacity of Solar Screens

Interpretation of the 65-90% UV Rays Blocking Statistic

The 65-90% statistic refers to the amount of UV radiation blocked by the solar screen. UV radiation contributes to the heating of a room and can damage skin and fade fabrics. Thus, a high percentage blocked indicates that a solar screen will prevent most of this harmful radiation from entering the home.

Variables Affecting Light Blocking Capacity

Several factors influence the light blocking capacity of solar screens. These include the color and thickness of the screen material, the tightness of the mesh weave, and the angle and intensity of the sun’s rays. Different combinations of these factors result in varying degrees of light blocking, allowing for the customization of screens based on individual needs.

Energy Efficiency and Protection: Perks of Solar Screens

Cost Savings with Solar Screens

Solar screens can contribute to energy cost savings by reducing the amount of heat entering the home, thus lowering the need for air conditioning on hot days. The amount saved will vary depending on the local climate, the size and number of windows in the home, and the specific type of solar screen used.

Guarding Against Sun Damage

Apart from energy efficiency, solar screens also offer protection against sun damage. By blocking a large portion of UV rays, these screens can help prevent the fading of furniture, carpet, and artwork, extending the life of these items and potentially saving homeowners money in the long run.

do solar screens block light


Solar Screens and Indoor Plants

Influence on Plant Growth

For those with indoor plants, solar screens can be quite beneficial. While the screens block a large portion of UV rays, they still allow enough light for plants to carry out photosynthesis. The result is a more controlled light environment for your indoor plants, which can promote healthier growth.

Solar Screen Usage Recommendations for Indoor Gardeners

When using solar screens, it’s good practice for indoor gardeners to monitor their plants carefully. Some plants may require more light than others, so placement will be crucial. With the right balance, plants can thrive even with solar screens on the windows.

Table: Solar Screens and Their Effects on Common Indoor Plants

PlantEffect of Solar ScreenRecommendations
Snake PlantMinimal impactSuitable for placement near screened windows
Spider PlantRequires bright lightPlace near a screened window with strong light
PothosAdaptable to low lightCan be placed away from screened windows

Installation and Maintenance of Solar Screens

Comparing DIY and Professional Installation

Solar screens can be installed either as a do-it-yourself project or by a professional installer. A DIY installation can be a more economical option, but it does require some skill and knowledge. On the other hand, hiring a professional can ensure that the screens are installed correctly and efficiently.

Extending the Life of Your Solar Screens

Regular maintenance can help prolong the lifespan of solar screens. Cleaning is a simple process that involves removing the screens and gently washing them with a mild soap solution. Proper care and handling during removal and reinstallation will also prevent damage to the screens.

Solar Screen Alternatives

Traditional Window Treatments vs Solar Screens

While traditional window treatments like blinds and curtains can block sunlight, they typically do so at the expense of visibility. Solar screens, on the other hand, can reduce sunlight and heat while still maintaining a view. Moreover, solar screens offer protection even with the window open, a feature not typically found with other window treatments.

Window Films and External Shading Options

Window films and external shading devices, such as awnings or pergolas, can also be used to limit sunlight and heat. Window films can block UV rays but may not provide as much heat reduction as solar screens. External shading options, while effective, can be more expensive and may alter the aesthetic of the home.


Do Solar Screens Block Heat?

Yes, solar screens do block heat. They absorb and dissipate a significant portion of solar heat before it reaches your window, thus reducing the amount of heat that enters your home.

Dark vs Light Solar Shades: Which Is More Effective?

Dark solar shades are generally more effective at heat control than light ones. Darker colors absorb more heat, preventing it from entering your home. However, light solar shades may preserve a better view through the window.

Can Lumio Solar Screens Block Light Effectively?

Yes, Lumio Solar Screens have the lumio solar legitimacy to effectively block light. These innovative screens are designed to reduce glare and block UV rays while still allowing natural light to filter through. With their advanced technology, Lumio Solar Screens are a legitimate solution for controlling light and maintaining privacy.

Do Solar Shades Block UV Rays?

Absolutely! Solar shades are designed to block a large percentage of UV rays – typically between 65-90%. This not only reduces heat but also protects against sun damage to your interiors.

Do Solar Screens Keep Heat Out?

Indeed, they do. By blocking a considerable amount of sunlight, solar screens reduce the heat gain inside your home, contributing to a cooler interior on sunny days.

Do Solar Shades Really Work?

Yes, they do. Solar shades effectively block UV rays, reduce heat, and protect against sun damage, all while allowing a comfortable level of light to enter and preserving your view.

Are Solar Shades Worth It?

Yes, they are. The benefits of solar shades extend beyond just light and heat control. They can contribute to energy savings, provide sun damage protection, and even enhance indoor plant growth.

Solar Screen vs Regular Screen: What’s the Difference?

The key difference lies in their function. Regular screens mainly serve to keep insects out, while solar screens also reduce the amount of UV rays and solar heat that enter the home. Solar screens offer enhanced energy efficiency and UV protection compared to regular screens.

Read more:

5/5 - (1 vote)

Leave a Comment