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Does Siena Mattress Have Fiberglass? Worries Are Removed

Do you know that the mattress you sleep on every night could be a potential fire hazard? Most mattresses are made of memory foam, which is highly flammable. To meet safety standards set by authorities, manufacturers often weave fiberglass into the inner layer of the mattress to prevent it from going up in flames. Fiberglass may have some great advantages, but it also has a range of risks to our health.

Siena mattresses are renowned for their superior comfort, offering consumers a range of mattress options – including those with springs, memory foam and combinations of the two. But does Siena mattress have fiberglass? Here’s what you need to know. 

Does Siena Mattress Have Fiberglass? 

The answer is No. Fiberglass is not used in any part of mattress construction.

The Siena Mattress is made from a range of high-quality natural materials, such as wool and cotton. It also features a three-zone foam core that helps to provide superior comfort and support. 

All materials used are carefully chosen to provide optimal comfort, durability, and health benefits. This combination has been crafted to create an excellent mattress that is sure to provide refreshing sleep night after night.

Read more: Does Bear mattress have fiberglass

The cover of the Siena mattress is made from a soft polyester blend.

In detail, the mattress is composed of a variety of materials, including memory foam, poly foam, and support foam for added comfort and stability. 

The cover is made from a soft polyester blend that has been enhanced with polyethylene for extra durability. Its top layer is a gel-infused memory foam for the initial layer of comfort, followed by a mid-level 2″ thick convoluted polyfoam that boosts response time, cooling, and breathability. At the base of the mattress is a 5″ thick layer of denser support foam to offer further stability.

Siena mattresses are safe and non-toxic

Siena mattresses are designed and crafted with the utmost care to ensure a healthy and safe sleep environment for its customers. 

These mattresses are made with high-grade materials and advanced manufacturing processes, including pocketed coils and layers of memory foam for superior comfort, support, and durability. 

Additionally, the mattress is equipped with air flow technology to keep it cool and a quilted cover for added softness. 

To further guarantee safety, Siena mattresses are certified by CertiPUR-US. This certification ensures the mattress is free from toxic chemicals such as heavy metals, VOCs, and halogenated flame retardants. 

Furthermore, an accredited laboratory tests the foam used in the mattress for content, emissions, and durability. 

Finally, all Siena mattresses are quality-tested before being shipped out to customers. With its commitment to safety, comfort, and support, a Siena mattress is an excellent choice for comfortable and healthful sleep.

How good is the mattress compared with others?

Siena mattresses are luxurious, comfortable, and safe. Crafted with non-toxic, hypoallergenic materials, they provide unparalleled comfort and peace of mind. 

Not only that, but their streamlined designs offer great value for money – making them some of the most affordable high-quality mattresses on the market. 

And, to top it off, safety and environmental sustainability are of utmost importance to Siena. So sleep soundly, knowing that you’re in safe hands with a Siena mattress. 

At this price range, why not make the switch today? Get your own Siena mattress and enjoy peaceful, comfortable nights of sleep!

Read more: Does Coolvie mattress have fiberglass

About Siena Mattresses  

Siena is renowned for high-grade memory foam and the unique design.

Siena is renowned for its superior quality mattresses that provide an uncompromised comfort level, thanks to the use of high-grade memory foam. 

The unique design offers users a range of options, including spring mattresses, memory foam, and hybrid combinations, to cater to their individual needs. This diverse selection ensures that the mattresses are able to support the entire body and prevent any back pain. With Siena, you can be sure of a restful night’s sleep! 

How are Siena mattresses constructed?

Siena 10” all-foam mattress is constructed with four layers. Let’s see what’s inside this high-quality mattress:

The mattress cover layer is designed for maximum comfort as it’s made from a blend of soft and breathable synthetic material. The top layer is a supple memory foam that provides superior cushioning and contours itself to the shape of your body. This top layer ensures sufficient airflow, allowing users to stay cool and relaxed during sleep. 

Beneath this lies a 2” transition layer made from responsive poly foam, complete with a ripple texture that allows heat to dissipate. This cozy memory foam layer is designed to contour the body for targeted cushioning and hip/shoulder relief.

Next is a 5” support foam layer, which gives the mattress its firmness and provides stability. The third layer features a transitional, supportive, and responsive layer of high-density foam with special air channels for enhanced breathability. 

Lastly, the fourth layer is an ultra-firm 5.5” foam base, providing balanced back support and added durability to the product. 

Altogether, these layers make up the Siena bed: a mattress designed to provide you with an optimal sleep experience.

Who can use the best of Sienna mattress?

The Siena mattress is the perfect choice for anyone who wants a great quality, affordable mattress. It has been recognized by industry professionals for its unbeatable comfort and value. 

Featuring a hybrid design of individually pocketed coils and foam layers, this mattress offers superior support while conforming to each sleeper’s body shape. 

the best of Sienna mattresses couples can enjoy a peaceful night, thanks to Siena’s motion isolation feature sleep.

Thanks to its motion isolation feature, couples can enjoy a peaceful night’s sleep. With its durability and weight capacity of up to 230 pounds, this mattress will last for years. 

Budget-conscious shoppers can rest assured that the Siena is an excellent investment for their well-being.

Siena Mattress: Relating Safety Concerns 

Sienna places a high emphasis on its safety concerns, from the fact that they use other flame-retardants instead of fiberglass, and also, says no to hazardous chemicals like formaldehyde. Which you will find out now. 

Safe alternatives used for fiberglass

Aware of the absence of fiberglass as fire-retardant, Siena mattresses are designed with safety and natural ones instead. Through the use of naturally derived thistle from wood pulp, along with a small proportion of polyester, these mattresses provide optimal fire resistance without compromising on comfort or quality. 

The Siena provides you with the protection of a fire retardant without the risk associated with fiberglass.

The hypoallergenic materials used are non-toxic, safe, and gentle on the skin, ensuring your night’s rest is unrivaled. Not only is the mattress soft and luxurious, it also looks after your health with its range of eco-friendly materials. You can put your worries to rest and have peace of mind that you’ll be sleeping in a safe environment with Siena mattresses.

No formaldehyde was found in the Siena mattress

Certified by licensed laboratories and compliant with all safety and product durability standards, the Siena mattress is certiPUR-US certified and guaranteed to be free of formaldehyde, phthalates, lead, ozone depleters, mercury, and other toxic materials. 

Sleep soundly knowing that you’re investing in a quality product that’s safer for you and the environment without breaking the bank! 


As we’ve discussed so far, fiberglass is a common material used as a fire retardant in mattresses due to its low cost and durability. However, it can be unsafe for your health, as the fibers can melt down and be inhaled. That’s why choosing the best mattress without fiberglass can be so important. The Siena mattress offers a great solution, providing you with the protection of a fire retardant without the risk associated with fiberglass. 


Siena mattresses are not the ideal sleeping solution for those who prefer memory foam with a slow-moving sensation, stomach sleepers or those searching for extremely affordable mattresses. The Siena mattress provides luxury comfort and a restful night’s sleep with premium quality materials and advanced support technology. This mattress offers an optimal balance of pressure relief and support that suits all sleeping styles. However, there may not be better choices for those with specific needs or a tight budget.

What are the important considerations when it comes to choosing Siena mattresses? 

When looking to buy a Siena mattress, it is important to consider the cover, comfort layers, support layer and height of the mattress. The cover should provide protection from dust mites and other allergens, as well as ensure that the mattress does not easily wear or tear. Comfort layers provide cushioning for sleepers and help them to stay comfortable for longer. The support layer offers crucial stability and ensures the mattress maintains its shape and firmness. Finally, the height should be suitable for your body type and sleeping position. All of these factors will help you choose a bed that is perfect for you.

Which types of Siena mattress are available?

Siena offers hybrid mattresses which are the perfect combination of comfort and support, with a combination of memory foam and pocketed coils to contour to your body. In addition, they also have a hybrid pillow-top mattress in the product portfolio, which is designed for extra cushioning that provides an even higher level of relaxation. All of their products are made from top-of-the-line, eco-friendly materials to deliver the best in quality and sustainability.

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Felix Harvey-Gernard

Felix Harvey-Gernard

Felix Harvey-Gernard is the Mattress Expert of Banner Mattress. He has 10 years of experience researching, developing, and testing sleep products.