Sinuous springs vs coil springs. Drop-in coil springs .
Sinuous springs vs coil springs. Measure the length of the old springs and cut the new .
- Sinuous springs vs coil springs " All There's a couple different types of suspension systems: sinuous springs, kind of a lower end suspension system; pocket coil suspension system is what we use; and then 8-way hand-tied. Dec 8, 2021 · Whether the seat is supported by coil springs, sinuous springs, or webbing, a failure in any of these will result in the seat sagging, the fabrics stressing, and the comfort decreasing. However, they can be more expensive than coil May 9, 2016 · 10’ section of 9 gauge sinuous/zig zag spring - hard-to-find auto restoration and upholstery products offered exclusively . Jan 5, 2019 · Sinuous-spring are easy to remember because they're simply S-shaped springs set in zigzagging rows within the foundation of the seat. ) Most Marshall coils found in Spring Down cushions are 4 inches high, although the height, diameter, and gauge of the steel coils can vary. This process helps guarantee sturdy support and limits individual sagging of any one spring over the life of the sofa. Browse our huge collection of high-quality feat uring a variety a styles and upholsteries to fit your needs and room décor. Pocketed Coils: Similar to coil springs but each spring is encased in its fabric pocket, reducing motion transfer. The springs in a coil sprung unit are all connected and move together. Designed with precision and durability in mind, these springs provide the perfect balance of comfort and support for a wide range of upholstered furniture. Made in the USA › Most furniture makers agree that there is no one best spring system, although there are certainly some methods which are superior to others. In many traditional innerspring mattresses from the 20th century and still some entry level models today have used the Bonnell spring to create durable and supportive mattresses. The interior is foam-filled, while sinuous springs provide plenty of support. 662. It's ideal for A lot has changed since the last time you've purchased furniture. A craftsman then works with a high-quality twine to tie each coil spring together with the adjacent springs and to the sofa frame. com, making them a popular choice for modern, low to the ground couches with Sep 26, 2017 · Sinuous springs are attached to the front and back rails of the chair and, when linked together, are able to support the weight of someone sitting on them. These can add several hundred dollars to the cost of a sofa. However, according to Fox News’ Laura Oglethorpe, if your sinuous springs are 8-gauge, they should get the job done just fine. Belleville Washers Coil springs: These springs have a helical coil design, making them ideal for applications where precise control is necessary. The springs are usually installed along the seat or back of a piece of furniture. Apr 11, 2017 · Pocket sprung mattresses offer more support than open coiled. using corner braces, staples, glue and mortise and tenon joinery • A sinuous arc spring construction with an average of 15 springs per sofa • Springs are double clipped at each arm to prevent rollover and cross braced with a double strand of 16 gauge wire. As the twine is tied, it is crossed in eight different directions. #2) Arc. Pocket Spring. Sinuous Springs. Note that some furniture manufacturers will actually say that their sofa is "eight way hand-tied", even if using a drop in coil spring system. The design of the coil spring means that it can absorb imperfections in the road far easier than a leaf spring. rolls. Generally it depends on the spring gauge thickness & spacing. In this article, we'll delve into the world of torsion bars and coil springs, exploring their unique characteristics, advantages, and Sep 6, 2023 · But I think with some very strong springs (like the new Sequoia), the OTC Strut Tamer II Extreme is the "minimum" required compressor. Coil Springs: Exploring the Better Option for Your Vehicle Understanding Air Suspension Air suspension is a revolutionary technology transforming the driving experience. This coil spring system is used in brands like Smith Brothers of Berne, Indiana. nars matte bronzer mini. Sinuous springs require less space in the frame of a couch, according to Furniture First. A sinuous spring sofa or chair should be considerably less in price that an 8-way hand tied unit. Sinuous spring suspension tends to feel firmer than eight-way hand-tied. There's a couple different types of suspension systems: sinuous springs, kind of a lower end suspension system; pocket coil suspension system is what we use; and then 8-way hand-tied. You can have the best-looking home theater seats or the latest sofa, but if it isn’t comfortable to sit on, what does it matter? Here we answer all your questions about foam core vs. They give continuous support down the length of the sofa and are widely employed in modern furniture design because they are cheap and easy to produce. When exposed to a heavy load, volute coil springs will become stiffer on the edge. Sinuous springs. The most important component being the sofa’s spring system. Nov 12, 2021 · Coils vs Leaf Springs: Pros of Coil Springs. Room and Board, Crate & Barrel do not make these types of sofas. The Supr-Loop® springs are the top of the seating system, ideal for backs and tight-seat applications. Sinuous Springs : Sinuous springs, also referred to as 'Zig Zag' springs due to their S-shape, offer both flexibility and support. Double Coned Coil Upholstery Springs Product Overview Enhance your traditional upholstery projects with our expertly crafted Double Coned Coil Upholstery Springs. What is Webbing? Unlike traditional coil springs that can sometimes create pressure points, sinuous springs distribute weight evenly, providing a smoother, more even support. For instance, higher-end sinuous springs may be made of thicker gauge wire, the wire may be bent into more dense S-shapes, or there may be more springs installed closer together. of China Suppliers - 125568783. You may be surprised at the prices you're finding for couches, armchairs, and loveseats. Sinuous springs are commonly found in chairs, ottomans and sofas and are installed in both the seats and the backs. Their Apr 27, 2024 · Air Suspension vs. Sinuous Wire. Photo: Gregory Han. Sinuous Springs: These are pre-assembled to form a continuous S-shaped pattern and are also known as zigzag or serpentine springs. hand tied - find quality Zigzag spring, Springs & Zigzag spring from Foshan Quan Yi Spring Hardware Co. 9 gauge springs for seating with one end knotted. Remove the old springs. Coil springs sometimes ride on top of the vehicle’s axle instead. Volute coil springs are used in applications involving a heavy load. F sinuous springs vs coil springs sinuous springs vs coil springs. Commonly used in ottomans, chairs (especially seats), auto seats and sofas (seat and back) and take the place of coil springs. Spring Forming Hickory Springs has been producing top-quality springs, upholstery coils, sinuous wire products, metal components and constructions for the furniture and bedding industries for Drop In Coil Springs (Very Good) A drop in coil spring system is basically trying to replicate the eight way hand tied system. Both systems serve the same purpose: to absorb bumps and maintain stability. Apr 17, 2018 · High Quality ZigZag (No-Sag) Sinuous Upholstery Spring - 10 Yard Section ; 8 Gauge Sinuous Wire: For extra-firm seats and industrial uses. Oct 31, 2023 · Coil Springs : Coil springs take on a spiral shape and are joined by wires to construct a supportive base. On the other hand, sinuous spring sofas are the most common suspension systems in low to mid-range priced sofas. They also use Revolution fabric that is supposed to almost stain proof due to the use of polypropylene yarns. Feb 13, 2023 · Coil springs are also often featured in solid-axle systems, such as a 4-link, which is superior to keeping a the axle in place and eliminating issues unique to leaf springs, such as axle wrap Sinuous Springs Vs Coil Springs. , Ltd. 8-Way Hand-Tied Springs - 8-Way Hand-Tied Springs: These are often considered the gold standard for sofa construction. The Blue Ribbon spring, and the DualFlex Spring System. Significantly easier to install than labor and time intensive coil springs. This leads to better ride quality. Off-road vehicles also benefit from coil springs due to the uneven ground when off roading. If it breaks, the entire seat will sag at once. Feb 27, 2019 · It’s true that sinuous-spring sofas are less expensive than eight-way hand-tied, and if properly made they will perform better than a drop-in spring system or fake eight-way hand-tied suspension. Top with a couple accent pillows and drape a throw over the back for an even more inviting appearance. These are serpentine springs running perpendicular to the length of the front frame. You may also see sinuous spring suspension in some cheaper to mid-priced sofas or loveseats. of China Suppliers - 125568645. Just make sure the wire is at least 8-gauge and that there are at least two silent tie wires running across and clipped to each spring. She also recommends making sure they have at least two silent tie wires clipped to each spring. Drop-In Coil Springs System. Zigzag springs upholstery springs vs coil springs install, zig zag springs install, also name zig zag upholstery springs, use in ottomans, sofas and chairs. 1-5/8″ Swing Anchors for use with sinuous springs. Nov 5, 2023 · Sinuous springs are a popular choice for many upholstered pieces since they give excellent support and are inexpensive. The C-Flex spring can be found in the brand’s 5000 series sofas. Once the screws are removed, you can pull the old springs out of the frame. Cannot find another one. Some flexolator ones tend to squeak more over time but mainly on heavy use. Th DualFlex Spring. In this video Bill will show you how to determine the gauge of the springs, what clips are used to attach to the frame and how to install a new zigzag sinuous spring. There are two distinct types of coil spring cushions. This Sep 6, 2023 · What are Zigzag Springs? Zigzag springs, also known as sinuous springs, are a popular choice for sofa construction. Springs may be as short as 4¾ inches and as high as 14 inches. Jun 2, 2014 · Zigzag springs can replace coil springs as long as you pay attention to thegauge of the wire and the firmness of the spring. The two most commonly used types of springs for upholstered furniture are coil springs and sinuous springs. It is cheaper, easier to install. This is a high quality cushion with Marshall coils (not pocketed coils. Sinuous springs are S-shaped wires running from front to back, offering flexibility and support. eventide modfactor manual. Additionally, with higher-quality sinuous systems, manufacturers usually connect each spring using one or two thin guide wires that run perpendicular to the entire seat. Drop-in spring system is a pre-made steel framework of coils connected to one another. Honestly, I would go with either & not dwell on it too much both hold up pretty well. . The ribbons are attached to the spring’s frame with resilient helical coils that allow for a wider range of motion. The springs may not sag, but they do squeak and snap fittings after 10 years, also put uneven pressure on the foam and will cut through from underneath over time. Jan 27, 2022 · One of the best coil springs on the market today is the 8-way hand-tied coil spring. Zigzag springs in upholstery furniture easy to install and inexpensive, can mix up with webbing. Coil springs are individually mounted in leather or cloth pockets and spaced out evenly across the furniture’s frame to create even support throughout the piece. This chapter delves into the intricate workings of air suspension You can count on our own tempered steel wire drawing operations for a variety of coil springs and sinuous wire products to meet the needs of your market. The most popular spring types include: coil springs in a range of sizes and heights, that are attached to webbing and tied with twine. Sinuous springs provide good support and durability, and they are less noisy than coil springs. Advantages and Disadvantages. It also has a great comfortable bounce to it once all springs are tied together. Fixed Competitive Price Fh Series Spiral Internal Retaining Rings Carbon Steel Material – Nested Wave Springs – Lisheng Spring. The individual springs have their own little pockets and work independently of each other. Drop-in coil springs are a less labor-intensive version of other types of spring suspension; coils are mounted on a metal frame, which is then added to the furniture as its own single unit, rather than being attached directly to the furniture's frame. Mar 4, 2022 · Sinuous spring construction tends to fall in the middle of the price range, while eight-way, hand-tied springs are usually the most expensive option. 2. Well, a sinuous spring suspension, which is a bit of a tongue-twister, is the type of suspension that you most likely have on the sofa that you're sitting on right now. These springs vary in types such as sinuous (zig-zag) or pocketed coils. Feb 9, 2014 · While most sinuous sofa springs are made of 9-gauge steel wire, some higher-quality couches use copper-coated sinuous springs to prevent corrosion, according to Sofa-Guide. facebook linkedin youtube instagram. Although this method is the priciest in comparison to S-Spring (Sinuous Springs), but don't rule out the S-Spring just Jan 19, 2010 · The gauge of springs ranges from 8 to 11 with coil springs, and from 8 to 13 gauge for sinuous springs. With this system, a series of coil springs are hand-tied into a secure position that adds an incredible level of durability and creates a supportive and comfortable surface. 0020 New Customer: Sign Up Current Customer? Is Mayo Furniture in Texarkana, TX good quality? They advertise the use of 8-gauge sinuous springs, chambered back cushions, and coil springs in the seat cushions that carry a lifetime warranty. This guide will show you the different kinds of spring systems, which one is the best and how to check which spring system your sofa has!8 Way Hand Tied Coil SpringsLabor-Intensive/Highest Quality Long Oil-tempered spring wire is utilized throughout for a level, resilient deck; Coil Flex™ is comfort-engineered for the most in support and durability; All the benefits of a coil system, with economical construction for efficient installation; Selection of coil gauges, heights, and coil count for fine-tuned seating comfort Sinuous spring suspension tends to feel firmer than eight-way hand-tied. On top of this, the springs in an open coil mattress lose their form quicker, which can lead to ‘roll-together’ in the middle of the mattress. Unlike traditional innerspring systems that are interconnected, pocket springs are entirely independent allowing for added contour and pressure point relief than older innerspring models. Use a screwdriver to remove the screws that hold the old springs in place. Sep 11, 2018 · Sinuous springs provide support for sofa frames at Modernica. We had a leather, sinuous spring sofa with pocket coil cushions that lasted well over 10 years. These springs are very easy to use and are great for ottomans, chairs and sofas (seats and backs), etc. 3. Leaf Springs vs. The illustrations above show two common spring designs. Coil springs are sold by the pound but can be ordered indi- vidually. They are available in various sizes and materials, including steel, stainless steel, and Nitinol. Coil Springs: These are individual springs wrapped in fabric pockets, offering targeted support for different areas of the body. And gosh, you know, a lot of people really hear that term, they latch onto it, they really, really want it, and they don't necessarily know why. The disadvantage of a sinuous spring is that it can fail since a lot of weight lies in a small portion of the whole system. Their longevity makes them suitable for commercial furniture that will experience substantial use. Spring sofas utilize coil springs within their structure to provide cushioning and bounce. Pocket Springs: As the name implies, pocket springs are individual coil springs covered in fabric pockets. Also make sure the old “U” brackets are secure enough for new springs. Sinuous springs are typically supplied in gauges 8 to 11 GA wire. Each support system has pros and cons, but some are better than others when it comes to longevity and quality. Sinuous springs vs coil springs sinuous springs vs coil springs goal zero 8mm to 12v adapter cable sinuous springs vs coil springs sinuous springs vs coil springs. They consist of individual coil springs tied together in eight directions to create an even and flexible seating surface. Visit our online store to discover a wide springs catalog of wholesale sinuous springs vs coil springs designed to expand, absorb impact and maintain pressure in their different applications. A well designed 8 gauge sinuous wire spring will sit better and last longer than the majority of todays 8-way tied coil springs. thestatedhome. For every gauge there are 3 levels of firmness: soft, regular and hard. Other types of springs--coil, cone, S-shaped, and grid--can be just fine; they mainly influence how comfortable the sofa feels to you. As nouns the difference between spring and coil is that spring is a leap; a bound; a jump while coil is something wound in the form of a helix or spiral. com. As verbs the difference between spring and coil is that spring is to jump or leap while coil is to wind or reel e. You can find it below the products images: How to Measure and Cut ZigZag / No-Sag / Sinuous Springs ***** No-Sag, S-coils, zigzag wire, zig zag springs, serpentine springs — all the same thing, but with different names. Though, it is likely new springs would likely fix the sagging. Dec 4, 2017 · Sinuous springs and 8-way hand-tied springs are the two most common spring systems used to construct upholstered furniture. Apr 19, 2016 · When you buy furniture made with either sinuous wire or 8-way hand-tied springs, you'll enjoy a comfortable and supportive seat long after you first bring the piece into your home. The leaf springs vs. Measure the length of the old springs and cut the new Jun 20, 2019 · Some springs, however, are flat rather than tall and vertical. Designed to achieve the latest standard in superior seating comfort, the DualFlex Spring System uses thick, evenly spaced steel ribbons along the length of the frame from front to back. Furniture Spring Components. I’d consider compromising on the drop coil aspect and going for something with solid sinuous construction. Drop coil seating on a sectional of the size you’re considering alone is going to cost close to your budget. May 31, 2012 · "Disregard the term “eight-way hand-tied springs. coil springs off-road debate is a critical area to look at when picking a suitable suspension part. These springs are 1-3/4 inches wide with a distance between turns of 7/8 inch. Sinuous springs are more flexible than coil springs, with S-shaped wires Mar 16, 2020 · Sinuous springs with smaller curves or turns work better that ones with large S curves. Sinuous springs, which create a gentle "S" shape across the seat, offer a plush and relaxed feel. See full list on blog. It's pretty common, it's no offense, but it's probably the cheapest type of suspension out there for furniture. However, there can be a range of prices with each type of suspension, so don't assume an expensive high-end sofa has eight-way, hand-tied springs based only on the price point. You generally buy the springs needed in 10-foot sections, and cut them with wire cutters. Jul 7, 2013 · Kiln-dried, seven-ply, engineered wood frame Reinforced mortise-and-tenon joints Sinuous spring back Tempered, heavy-gauge, drop-in coil-spring units in seat High-resiliency, soft-foam topped foam-core cushions with polyester fiber wrap Loose seat and back cushions, three each Available in 86- and 94-inch widths 37 inches high and 37 inches deep Jun 10, 2021 · In other words, it’s shaped like a cone. Branicks in comparison are just not strong enough. Each spring in this design may move independently, conforming to the shape of the person sitting on the couch. Unless one comes across a fancy shop with large truck duty style hydraulic coil spring compressors. Spring Read Also: Best Lowering Springs Reviews. With their flat design, flat springs are able to produce greater force relative to their height. All frames are corner blocked for superior strength; Seating suspension is an 8-gauge sinuous coil spaced 4-8” apart ensuring lasting comfort and ride There are some complaints about springs or wires breaking; its durability is probably related to coil and wire gauge. When combined with a thick high resiliency cushion, it is difficult to tell the difference in comfort between the different types of foundations being used below the seat deck -- whether it is a $500 genuine 8 way hand-tied unit, a $150 "drop-in" coil foundation, a $60 elasticized webbing or a $20 no-sag sinuous wire spring. The Bonnell coil has an hour glass shape (wider at the bottom and the top than the middle) and are interconnected with a mesh of metal to make the spring system. I've always heard that 8-way hand-tied construction is the best and since I will probably own these sofas for the next 15 years or so, I do want high quality. sarong wrap skirt short; smart view flip cover; Massoud uses coil springs (and spring edges) for their foundations. a wire or rope into regular rings, often around a centerpiece. Sinuous springs attach directly to the frame of your furniture. Flat springs, for example, are manufactured from flat stock metal. A coil spring is your idea of suspension. Coil Springs Off-Road. Firm sinuous springs -- 8 or 9 gauge -- work best for seats and ottomans. Sep 11, 2018 · Sinuous springs aren’t as fancy as the other options, so they can usually be found in middle-tier furniture. Feb 28, 2019 · There are many factors that determine whether a sofa is good quality; a few examples are upholstery materials and construction. Sinuous springs vs coil springs. The downside to flat springs is that they have shorter deflections. The flexolator grid is a suspension that is less common than coil springs and sinuous springs. As a proper Apr 19, 2023 · When choosing a new piece of furniture there’s much to consider. Ribbons run the full length of the entire frame from the front all the way to the back of the seating area. Typically if you want a firmer seat go with sinuous. Unlike traditional coil springs, air suspension systems utilize compressed air to support the vehicle’s weight and absorb road impacts. Seek out a vendor with a long cushion warranty, like England for instance. Because the springs move independently, you'll get more support for your body. Regular springs, also known as medium springs, are the most common type. Sold in 120 ft. You can cut these springs down to the size you need with bolt cutters. No matter what a sales person says. They are made using an S-shaped spring, or thick-gauge wire bent to create a recurring S-shaped pattern. Serpentine Spring Hickory Springs draws its own tempered spring wire in a wide range of gauges in its state-of-the-art production facility and conducts rigorous quality tests throughout its product and assembly processes to ensure that each product performs according to the company’s high standards of quality. There are also arc coil springs. Made of premium sinuous wire made in USA. Both work fine in rough road conditions, though their significance shows in different areas. Used for attaching coil springs to webbing in furniture. Special order sizes can be ordered in the 50 Quality sinuous spring vs. com Feb 7, 2020 · The reason that this method is so durable is because each coil spring is tied 8 times hence the name 8-Way Handtied. As well as zig zag springs (also known as No Sag springs, Sinuous springs or S coils) which are easier to install and attached to the frame with EK Spring Clip or a continuous Zig Zag Spring Hinge Strip. Apr 7, 2017 · It’s true that sinuous-spring sofas are less expensive than eight-way hand-tied, and if properly made they will perform better than a drop-in spring system or fake eight-way hand-tied suspension. The firmness of a seat that uses sinuous springs depends on the gauge of Mar 11, 2022 · Coil gauge describes the thickness of the wire, while coil count refers to the total number of springs in the mattress. Also known as bow springs, arc coil springs Oct 12, 2021 · There are three main designs available: the C-Flex spring. Above all comes the question of comfort. Knowing this, here are the four main types of upholstery springs and foundation: eight-way hand-tied or hand-knotted, S or sinuous springs, pocket spring and web suspension. So beware of that. That sectional has a webbed suspension, not drop coil. Coil Springs vs. Mattress coils are usually between 13-gauge and 17-gauge, with 13-gauge indicating a thicker coil and 17-gauge indicating a thinner coil. goalkeeper gloves site. Very easy to use and great for upholstery and furniture restoration. Full bundle is typically 50 lbs. They are then fastened to the sofa frame to provide support and durability. photo by Supersmario via iStock. Like webbing, s-spring sofas are much easier to install. The 9-gauge wire has a diameter of 0. Furthermore, they're also valued for their durability and ease of installation, making them a favored choice among furniture manufacturers and upholstery specialists. • A deck pad New sinuous springs; Wire cutters; Pliers; Screwdriver; Measuring tape; Instructions: 1. The first diagram shown is for a Spring Down cushion. The Original No-Sag® loop springs are the basic sinuous springs designed for upholstery operations while the XL Loop® springs have a greater distance between bars. There are two main types of springs used in upholstered furniture: coil springs and zig zag or sinuous springs. If the wood frame is the skeleton of a sofa, the springs stretched across it operate as the seat’s tendons and Dec 6, 2024 · When comparing sinuous springs to other sofa support systems, here’s how they stack up: Sinuous Springs vs. 1. What is a Sinuous Spring Sofa Suspension? Best Sofa Springs - Zig Zag Couch Spring - Roger and ChrisShop the best sinuous spring sofa suspension on Roger and For those seeking a softer and more cushioned feel, seat constructions that incorporate sinuous springs or pocket coil springs are excellent choices. Mar 1, 2013 · The latter company offers "sinuous wire spring" construction, which I'm not familiar with. $3. Because of how coil springs store and release kinetic energy through movement, manufacturers usually install them on performance vehicles and trucks. Sinuous spring systems consist of heavy-gauge steel wires formed in continuous, vertical S-shaped coils. Drop-in coil springs . However, they can be more expensive than coil springs. However, a zig zag wire is more likely to break than a coil spring. g. Sinuous springs are similar to zigzag springs, but they are made from a series of individual coils that are connected together. The springs provide a subtle bounce and contour to the body's curves, creating a comfortable and No-sag springs, also known as sinuous springs or serpentine springs, are a type of spring system commonly used in upholstery and furniture construction. They are noticeably more comfortable than sinuous wire foundations. 280. 25 Quality sinuous spring vs coil spring sofa quality difference - find quality Zigzag spring, Furniture Accessories & Zigzag spring from Foshan Quan Yi Spring Hardware Co. pocket coil furniture. However, their design, operation, and applications differ significantly. Feb 2, 2019 · Laborers tie the springs eight different ways including side to side, diagonally and front to back. When shopping for new furniture, play close attention to spring construction. These springs are evenly spaced and made of dual steel. Measure the new springs. 1480 inches. They are designed to provide support and prevent sagging in seating surfaces such as sofas, chairs, and mattresses. You know what it looks like, you find them in RC cars, bicycles, and even pens. 1180 to 0. Nov 14, 2024 · Design and Construction of Spring Systems. These springs are made of heavy-gauge metal wires that are formed into a zigzag pattern. Attaches between the clip and the spring. Flexolator if you want to sink in more. The springs are supported by webbing on the underside of the sofa, and the top springs are secured by twine (which is where the name comes in)! The twine is hand-tied at 8 different spots for each spring, and then attached to the frame. Over 50 years combined experience in upholstery supplies, repair and furniture restoration. In addition, spring clips are coated to eliminate squeaking. Jun 11, 2018 · Second, sinuous springs need less space than coil ones, so these springs could be preferred for some modern designs. Sinuous Spring at DIY Upholstery Supplies & Charlebois Fabrics. ” It’s no longer synonymous with comfort or high quality. I base that on more than 40 years of on-the-floor upholstery manufacturing experience and over 20 years of re-upholstery experience where you see exactly what makes a spring unit= 8-way tied coil springs or sinuous Jul 2, 2024 · Sinuous Springs: These S-shaped wires run from front to back, providing excellent support and durability. When it comes to suspension systems in vehicles, torsion bars and coil springs are two prominent players. Springs: Sofa/chair tension springs -sizes vary Strapping: Buy some stock 20 gauge steel strapping and cut, de-burr, and drill holes accordingly. Pocket springs are individually wrapped coil systems that are stitched into mattresses below a comfort layer of foam or other material. I always remove the zigzag springs and use 3" elastic webbing, it lasts so much longer and gives an even smooth comfort level across the sofa. They can withstand more pressure than other types of springs. You cannot get this in an open coil mattress because the continuous wire that connects every spring will cause other springs to shift in unison. What Are Sinuous Springs? Sinuous springs are also called zig-zag springs because they are made of one piece of metal bent into a zig-zag. These have the "jaws" to clamp onto the coil spring. rbiw zlxval figaqip wfvk seut dvxo ktmrh ocrj omd osp