4 Inch Bunkie Board

Upgrade your mattress support with this 0.3" Split Folding Bunkie Board, designed to create a stable foundation for platform beds, slatted bed frames, box springs, and upholstered beds with spaced slats. (Not recommended for open metal frames without slats.) Made with durable polypropylene (PP) panels wrapped in stitch-bonded gray nonwoven fabric, it delivers firm support to help reduce mattress sagging and maintain a more even sleeping surface. The slim 0.3" profile adds support without increasing bed height, offering a convenient alternative to traditional box springs. The foldable two-piece design with hook-and-loop fasteners allows for quick setup, easy storage, and effortless portability, making it a practical solution for everyday mattress support needs.

I am very happy with this Bunkie board. It was easy to set up, feels sturdy, and provided excellent support for my mattress right away. My bed feels much more stable, and I no longer notice any sagging or movement. It has made sleeping more comfortable, and I appreciate that it has a low-profile design without adding unnecessary height. The quality is better than I expected, especially for the price. I would definitely recommend this Bunkie board to anyone looking for extra mattress support.. Kelly Watt. Tue Jul 21 2026

Bunkie boards split bunkie board provides a surface foundation for all types of platform beds, bunk beds, and sofa beds. We offer four sizes of bed bases: the King size (76'‘ x 80’'), Queen size (60'‘ x 80’'), and Full size (54'‘ x 75’') consist of two sections placed side by side, while the Twin size (38'‘ x 75’') is a single piece.They under mattress support for any type of mattress and help keep it in good condition, thereby extending its lifespan. The Oxford fabric on the underside provides effective slip resistance, and each corner of the bed base is equipped with straps to prevent shifting during use. It can be placed directly on the bed frame without the need for a spring mattress. This bed base offers long-lasting comfort and durability, ensuring you enjoy a restful night’s sleep. The split-piece design offers exceptional convenience, and the foldable design makes it lightweight and portable, allowing for easy transport even in tight apartment spaces.

This was very easy to put together and on the bed. There is Velcro in each corner and the middle to secure it to the frame. I am hoping this will greatly help the bed be more stable and firm giving her more support.. Jennifer. Gainesville, VA. Wed Aug 05 2026

The bunkie board split bunkie board provides a surface foundation for any platform beds, bunks, and daybeds. It adds support to the mattress and will keep the mattress stay in good shape thus extending the life of your mattress. It will give firm bottom support for the mattress and raise the mattress by about. When a mattress is placed directly on slats or metal springs, the mattress will tend to rip or sink. These can be avoided with the use of a bunkie board. Using a bunkie board doubles the mattress' life expectancy. This bunkie board is a good alternative instead of a box spring that may be too high for day beds. It will give the bed a lift without adding much height. This bunkie board is strong enough to be used directly on the bed frame instead of a box spring. It will give the mattress a lift which is quite low but will hold up the mattress. It is wrapped in a stitch-bonded nonwoven fabric. It meets federal standards 1632 and 1633 fire codes. This bunkie board will give you enduring comfort and durability for excellent sleep. The split design will give you convenience and easy mobility since the 2 piece varieties are very lightweight utilizing 2 smaller pieces making them easier to carry and maneuver through the cramped quarters of an apartment house. Continuously aims to be the most reliable direct mattress manufacturer in the industry. With our prominent name and superior service, we satisfy customers all over. All of our products are made in the country to ensure that you get only the best. We take great pride in the quality of our products and the quick service we provide. Our customers are our best advertisement. Customers and business partners alike have experienced the company's commitment to the unbeatable service we provide for their high-quality products.

I just received and started using it, and so far Im very pleased. It fits my bedframe platform perfectly and gives just the right amount of extra support to my mattress. I would recommend this product.. Cheryl. Thomasville, NC. Sun Sep 06 2026

This heavy-duty box spring delivers a clean, practical design to provide a reliable foundation for your mattress setup. It features a steel interior framework that helps prevent sagging and wear over time, extending the useful life of your sleep surface. The clean-lined profile is wrapped in a fabric cover, creating a neutral backdrop that coordinates easily with your choice of bedding. It easily rests inside your existing bed frame to help distribute weight evenly across the base while minimizing motion transfer. Plus, its folding design makes it easy to move through tight hallways or store away when it's not needed.

Do yourself a favor and buy this box spring. I got the split Cal king. It arrived folded which made it incredibly easy to move and carry and place. Genius. Just installed so we’ll see how it ages but highly recommend right now!. Elena. Rochester, NY. Thu Sep 17 2026

Experience Unmatched Comfort with our Bunkie Board! Tired of feeling those uncomfortable steel and hard support frames while sleeping on your pullout sofa bed? Our innovative support board is here to transform your sleep experience by providing a plush and supportive surface.

Never used a Bunkie before, but this one is easy to handle yet gives lots of support to the mattress.. Vicky. TX. Fri Sep 25 2026

Bunkie Board: This innovative bunkie board design features a foldable function, making it easy to store and install. It provides flexible space solutions with solid support and great breathability. Ideal for modern living, whether in a bedroom, kids' room, hotel/guesthouse, or dormitory, it ensures a comfortable and healthy sleep experience.

Very easy to install over the slats on the top bunk bed.. Anonymous. Mon Sep 21 2026

Upgrade your sleep setup with the Bunkie Board, designed to deliver strong, reliable support without the need for a bulky box spring. Whether you're dealing with a sagging mattress or simply want a more stable foundation, this heavy-duty bunkie board provides the perfect solution. Crafted to offer firm and even mattress support, this bunkie board helps prevent sagging, improves overall comfort, and extends the life of your mattress. It works seamlessly with memory foam, hybrid, and traditional spring mattresses, giving you a better night’s sleep every time. The low-profile design allows you to maintain a modern, streamlined bed setup while eliminating the need for a box spring. Ideal for platform beds, bunk beds, and other bed frames, it keeps your mattress supported without adding unnecessary height. Built from durable Fiber Board, this heavy-duty support system distributes weight evenly across your bed frame, ensuring long-lasting strength and stability. Unlike weaker alternatives, it is designed to hold up over time without bending or shifting. Enjoy a peaceful night with a noise-free and non-slip design that keeps your mattress securely in place. No more creaking, sliding, or constant adjustments—just consistent support and quiet comfort. Installation is quick and effortless—no tools required. Simply unfold and place the bunkie board on your bed frame, and it's ready to use in under a minute. For larger sizes like King, Queen, Full, and Cal King, the board comes in two sections for easy handling and setup, while Twin and Twin XL sizes come as a single piece. For best results, we recommend measuring the inside width of your bed frame before ordering to ensure a proper fit, as bed frame dimensions may vary.

Excellent addition to our slatted bed frame! We have a hybrid mattress that felt a little too plush, and adding this bunkie board made a huge difference. The mattress now feels absolutely perfect—more supportive without making it feel too firm. The board stays completely in place and makes zero noise. Very happy with this purchase and would definitely recommend it!. Tammie. Dulce, NM. Sun Oct 04 2026

A STURDY FOUNDATION FOR BETTER SLEEPA mattress is only as good as the support beneath it. Without a solid base, it can sag, wear out faster, and leave you waking up sore. This fabric-covered bunkie board creates an evenly firm foundation that extends mattress life, prevents sinking, and makes it feel more comfortable.Designed for both strength and breathability, it features a 1.5-inch thick wood slat frame wrapped in durable stitch-bond fabric for airflow and stability. Unlike bulky box springs or flimsy slats that shift around making noise – this no-sag, split-design bunkie board keeps your mattress supported day and night.Arriving fully assembled for easy transport, it makes setup easy and fits perfectly into your existing bed frame. Whether you need low-profile support or a replacement for loud wooden slats, this bunkie board delivers comfortable stability without the extra weight.PRODUCT SPECIFICATIONS:Usage: Under Mattress SupportThickness: 1.5 inchesMaterial: Solid Wood (Slatted Frame)Covering: Breathable Stitch-Bond FabricTwin: 2-Piece Split DesignFull/Queen/King/Cal King: 4-Piece Split DesignFOR TWIN SIZE BEDS2-piece split design for Twin and Full sizes. Lightweight and easy to maneuver in tight spaces. Perfect for children’s bunk beds, loft beds, and daybeds where a box spring would add too much height.FOR FULL,QUEEN, KING AND CALIFORNIA KING BEDS4-piece split design for Queen, King, and Cal King sizes. Provides sturdy support for bigger mattresses. It works great for standard bed frames that need extra strength, helping to stop sagging early and keeping your mattress firm and comfortable longer

Easy to install and made a world of difference. Great support. Ruth. San Antonio, TX. Thu Sep 24 2026

The Serta Low Profile Box spring offers support, durability, and reduced motion. When used with a proper supportive bed frame, it helps prevent sagging and blowing for the life of the mattress

Good support in a low profile. We also have a narrow stairway as our home is built on pilings so we wouldnt have gotten a one piece king box spring up the stairs regardless, so we were excited to see this option.. Dan. MI. Sat Sep 12 2026

Embrace the discreet support of the bunkie board, a sleek yet vital addition to your bedding ensemble. This slender layer of solidity is designed to lie unnoticed between your mattress and bed frame, providing a smooth, uniform surface that enhances your comfort without altering the profile of your bed. Crafted for longevity and ease, its compact construction ensures it fits snugly in any setting, from bustling children's bunk beds to the minimalist's platform bed. With its low profile, the bunkie board is an unsung hero, offering the silent strength needed to support you and your mattress throughout the meandering journey of dreams. Invite this essential piece into your home, and let it lift your sleep experience to new heights of stability and subtlety

Excellent price and very high-quality.. Donna. Providence, RI. Thu Jun 25 2026

A STURDY FOUNDATION FOR BETTER SLEEPA mattress is only as good as the support beneath it. Without a solid base, it can sag, wear out faster, and leave you waking up sore. This fabric-covered bunkie board creates an evenly firm foundation that extends mattress life, prevents sinking, and makes it feel more comfortable.Designed for both strength and breathability, it features a 1.5-inch thick wood solid frame wrapped in durable stitch-bond fabric for airflow and stability. Unlike bulky box springs or flimsy slats that shift around making noise – this no-sag, split-design bunkie board keeps your mattress supported day and night.Arriving fully assembled for easy transport, it makes setup easy and fits perfectly into your existing bed frame. Whether you need low-profile support or a replacement for loud wooden slats, this bunkie board delivers comfortable stability without the extra weight.PRODUCT SPECIFICATIONS:Usage: Under Mattress SupportThickness: 1.5 inchesMaterial: Solid Wood (Solid Surface)Covering: Breathable Stitch-Bond FabricTwin/Twin XL/Full/Queen/King: 2-Piece Split DesignFull/Queen/King/Cal King: 4-Piece Split DesignFOR TWIN, TWIN XL , FULL, QUEEN AND KING SIZE BEDS2-piece split design for Twin and Full sizes. Lightweight and easy to maneuver in tight spaces. Perfect for children’s bunk beds, loft beds, and daybeds where a box spring would add too much height.FOR FULL, QUEEN, KING AND CALIFORNIA KING BEDS4-piece split design for Queen, King, and Cal King sizes. Provides sturdy support for bigger mattresses. It works great for standard bed frames that need extra strength, helping to stop sagging early and keeping your mattress firm and comfortable longer.

Very light weight yet very sturdy as extra support for the bed framing and mattress.. Alfreda. Savannah, GA. Tue Sep 01 2026

This BUNKIE BOARD adds extra bed support under the mattress to help prevent sagging, extending the life of your mattress. Designed as a low-profile bed board, it’s a smart choice over bulky box springs or mattress bases.The BED BOARD FOR UNDER MATTRESS SUPPORT offers firm, even support without the added height of a traditional box spring. Featuring a foldable and lightweight design, this BACKBOARD FOR BED is easy to store and ideal for folding beds, futon mattresses, foldable bed frames, or travel cots.Flat bed frame, foldable bed frame , folding bed frame, low-profile bed board, good mattress base, mattress support bed, bed slats, bunkie board, box spring, thin board, thin box spring, bed box spring,The UNDER-MATTRESS SUPPORT BED BOARD is perfect for kid’s beds, bunk beds, sofa beds, pull-out beds, and cardboard bed frames with no box spring needed—compatible with metal frames, wood slats, and standard bed slat foundations. The BED SUPPORT BOARD measures 74" x 53" and folds down to 53" x 15". As a thin box spring alternative, it is intended to fit beneath the centre of the mattress for added support without covering the entire base. PRODUCT SPECIFICATIONS:Usage: Under Mattress SupportThickness: 0.20 inchesMaterial: Cardboard

Perfect fit for the bed frame I also purchased on Wayfair! Very easy to unfold and very study. Great quality!. Mary. US. Fri Sep 18 2026

This 4-inch low-profile box spring is meticulously crafted to offer exceptional support for any mattress. Comes with a high-quality cloth cover for easy washing. Constructed from durable metal with a classic steel box spring design. Warm reminder：The product only includes the base box spring and does not include the bottom of the bed frame and there are no legs.

Perfect height for the double stuffed mattress. Well constructed. Generally easy to assemble.. Deborah. FL. Mon Sep 28 2026

Foldable Bunkie Board：This foldable bunkie board creates a stable base for your mattress. High-strength PP panels help reduce sagging, while the Oxford fabric bottom with textured grip and hook-and-loop straps keeps it in place. The 0.4 in thin design fits various mattresses and frames, and folds easily for storage.

It fits my king-size bed perfectly. The frame is sturdy and easily supports a 12-inch mattress.. Jasmina. Oakton, VA. Fri Jun 26 2026

Enjoy the strong support and convenience of the new Low Profile Metal Smart Box Spring by Zinus, offering the look and functionality of a traditional box spring, but made from steel for longer-lasting durability. Wood slats provide strong, comfortable support. Compact packaging allows for tight interior spaces such as stairs and hallways. Easy assembly with all the needed tools included.

Super easy smart box spring and its seen very durable, I like it, no more squeekee wood box spring. Enid. Killeen, TX. Wed Jun 10 2026

Bunkie Board, 10mm Bed Boards for Under Mattress, Breathable, Noise Minimizing, Moisture Resistant Bunkieboards, Heavy Duty Bed Support Board for Platform & Slatted Frames

Looks like a very solid box spring. Used it to replace a 7 inch box spring which made the bed too tall.. Anonymous. Sturgeon Bay, WI. Wed Oct 07 2026

Bunkie Board, King Size 76.8 x 70.1 in, Foldable Bed Board Under Mattress with Nylon Webbing, Plywood, Rounded Edges, Anti-Sag Design for Metal Frames, Sleeper Sofas, Platform and Bunk Beds

Works great on our vintage king size bed frame.. Betty. US. Sat Sep 26 2026

Complete a daybed, bunk bed, or trundle set up with this 2-inch Bunkie board. Built to offer firm support, its multi-slat construction is sound and efficient. Three-layer quilt stitching on its white knit fabric cover features Tex-45 Flameout Firefly yellow thread. Built with North American lumber.

Perfect height for my bed. I didn’t know you could get a box spring this short and I’m very happy.. Anonymous. US. Wed Jun 03 2026

Bunkie Board:This innovative bunkie board design features a foldable function, making it easy to store and install. It provides flexible space solutions with solid support and great breathability. Ideal for modern living, whether in a bedroom, kids' room, hotel/guesthouse, or dormitory, it ensures a comfortable and healthy sleep experience.

These are purrfect for my house! Our kitties love to go under the bed and scratch at mattresses. These bunkie boards redirected kittys to their scratching post and saved our new lovely mattresses!. Anne. Skokie, IL. Tue Sep 08 2026

We are a proud manufacturer of the finest quality box Springs, with the highest standards in durability, quality, comfort, & beauty. All of our products are made in the USA to ensure that you get only the best! This item is part of our Hollywood collection, it has the following features: this box spring is uniquely designed to give you the kind of undisturbed sleep nature intended. Wood foundation, Continental box meets federal standards 1632 and 1633 fire code.

Great solution! This split queen foundation is great! I was able to unbox and carry each piece to my lower level and set up the bed by myself. It was nicely packaged and it's nicely made and fits perfectly on my frame! Highly recommend!. Carmen. Union, KY. Tue Oct 06 2026

A STURDY FOUNDATION FOR BETTER SLEEPA mattress is only as good as the support beneath it. Without a solid base, it can sag, wear out faster, and leave you waking up sore. This fabric-covered bunkie board creates an evenly firm foundation that extends mattress life, prevents sinking, and makes it feel more comfortable.Designed for both strength and breathability, it features a 1.5-inch thick wood solid frame wrapped in durable stitch-bond fabric for airflow and stability. Unlike bulky box springs or flimsy slats that shift around making noise – this no-sag, split-design bunkie board keeps your mattress supported day and night.Arriving fully assembled for easy transport, it makes setup easy and fits perfectly into your existing bed frame. Whether you need low-profile support or a replacement for loud wooden slats, this bunkie board delivers comfortable stability without the extra weight.PRODUCT SPECIFICATIONS:Usage: Under Mattress SupportThickness: 1.5 inchesMaterial: Solid Wood (Solid Surface)Covering: Breathable Stitch-Bond FabricTwin/Twin XL/Full/Queen/King: 2-Piece Split DesignFull/Queen/King/Cal King: 4-Piece Split DesignFOR TWIN, TWIN XL , FULL, QUEEN AND KING SIZE BEDS2-piece split design for Twin and Full sizes. Lightweight and easy to maneuver in tight spaces. Perfect for children’s bunk beds, loft beds, and daybeds where a box spring would add too much height.FOR FULL, QUEEN, KING AND CALIFORNIA KING BEDS4-piece split design for Queen, King, and Cal King sizes. Provides sturdy support for bigger mattresses. It works great for standard bed frames that need extra strength, helping to stop sagging early and keeping your mattress firm and comfortable longer.

I needed support under a mattress, but the frame has short sides, and I did not want to add 3"-4" height. This product is only 1.5", very sturdy, and perfect for this application, versus a standard box spring, or plywood.. Rita. Silver Spring, MD. Sat Jun 13 2026

Foldable Bunkie Board:This foldable bunkie board creates a stable base for your mattress. High-strength PP panels help reduce sagging, while the Oxford fabric bottom with textured grip and hook-and-loop straps keeps it in place. The 0.4 in thin design fits various mattresses and frames, and folds easily for storage.

This came in two parts since I have a queen bed. It helps so much make the bed stiffer. My mattress is too soft and this definitely made it stiffer and cheaper than a new mattress. Install is super easy. Anonymous. Ballwin, MO. Sun Aug 02 2026

Mattress Support Split Bunkie Board, Foldable Bed Panels, Slats with Cover

Good product! It does exactly what its supposed to do. Offers support under the mattress. I really recommend getting something like this if you have a bed with bars across. It makes a huge difference adding support to the body. It has velcro to secure it to the frame. The material seems durable.. Sonia. Spring, TX. Fri Jun 26 2026

Foldable Bunkie Board:This foldable bunkie board creates a stable base for your mattress. High-strength PP panels help reduce sagging, while the Oxford fabric bottom with textured grip and hook-and-loop straps keeps it in place. The 0.4 in thin design fits various mattresses and frames, and folds easily for storage.

Reliable sturdy and would buy again. Christopher. Brampton, ON. Tue Sep 15 2026

Foldable Bunkie Board:This foldable bunkie board creates a stable base for your mattress. High-strength PP panels help reduce sagging, while the Oxford fabric bottom with textured grip and hook-and-loop straps keeps it in place. The 0.4 in thin design fits various mattresses and frames, and folds easily for storage.

Foldable Bunkie Board:This foldable bunkie board creates a stable, quiet base for your mattress. The Plywood board provides stronger support than particle board to help reduce sagging. The slim design fits various frames, while nylon straps allow quick setup and easy folding for moving, rentals, and small spaces.

This box spring offers a reliable foundation for your mattress. It's crafted with a metal frame that provides a supportive base for a variety of mattress types. Beneath its fabric cover lies a reinforced steel framework that resists sagging and wear, helping to extend the life of your mattress over the long haul. The neutral, minimalist silhouette blends effortlessly with any bedding style, while the low-profile build fits neatly inside most standard bed frames—evenly distributing weight across the base and reducing motion transfer for more undisturbed rest. Designed to fit within most standard bed frames, it helps elevate your sleep surface while maintaining a low profile. The interior construction is built to support weight evenly.

I wanted just to raise the mattress hight. These were perfect. The included cover was perfect. Very sturdy metal. Takes a little time to put together, but all in all, was great.. Linda. Modesto, CA. Sun Jun 28 2026

Bring consistency and comfort to your nightly routine and your deep, restful sleep when you add our two-inch box spring mattress foundation to your bed. Featuring a slat support system made from North American timber, it has three layers of multi-needle quilting in a white knit fabric with fire-safety stitching.

Exactly what I wanted and as described.. Helen. Roseville, CA. Wed Jan 28 2026