The number and size of the risers are found by dividing this distance into risers of equal height, providing the riser height does not exceed local building codes. The pressure treating will help the stair resist damage from termites and fungal decay for decades. All information is provided "AS IS." Place the ledger board against the 2-by-6s and the lower edge of the header. Severe Weather Ground Contact pressure treated exterior wood protected. The stringer is basically the backbone of any staircase. If you decide that you want a challenge, or your floor-to-floor height is an unusual number, you may end up cutting the stringers yourself. There are still different grades of pressure treated lumber, you still need to go with a number 1 to make sure that you don't have excessive knots or splits. Run/Tread: The run or tread is the part of the stairway that a person steps on. Some wood species may require edge gluing to meet width. The overall horizontal length of the stairs (the total run) is the total number of treads. There are still different grades of pressure treated lumber, you still need to go with a number 1 to make sure that you don't have excessive knots or splits. http://stairs4u.com/articles/how_much_can_lumber_shrink.htm - Watch this video to learn more about stair stringer lumber selection. Scribe a plumb cut at the top end and a level cut at the bottom end and cut the stringer pattern with a circular saw. The lumber is pressure-treated, protecting it from termites and rot. Pressure treated stringers are the main choice for decks and other outdoor stairs. Attach Stringers Below the Frame – How to Make Stair Stringers. Treads may be cut to suit other widths. This is based on the width of the current lumber available. Stair stringers refer to stairs constructed from structural lumber that are supported by 2 or 3 diagonal members called stringers against which the ends of the risers (the vertical face of the step) and treads (the horizontal surface of the step) are terminated. Choose straight lumber for the stringers, meaning boards that are neither bowed nor twisted. 1. We welcome your comments and Learn about an old school technique to mark and cut stairs stringers without ANY specialty tools or calculators. This article will outline the different types of wood stringers available for stairs. After I had them all r... Hello, I have completed a deck project and am now building the stairs. I cut some stringers for my deck about a month ago. I had to replace the stair treads on my deck stairs. Tips for Building Deck Stairs on Uneven ... Wood Floor Stairs: Designing the First a... Wood Floor Stairs: Designing the First and Last Treads. All rights reserved. Always cut the first stringer to your specifications and then use the first stringer as the template for the other two. Website operating Closed stringers use cleats attached to their inner faces to support the treads. Having the right calculations before getting started can make the task a lot easier. home improvement and repair website. 99 $11.55 $11.55 Drill pilot holes and screw the ledger to the 2-by-6s with three, 3/8 inch lag screws into each 2-by-6. Given how critical the structural integrity of stair stringers is, it almost always makes sense to err on the side of caution and go with 2×12 lumber. Stringers are available cut, or routed to your specifications. Despite the availability of naturally durable species such as redwood and cedar, many still use pressure treated wood for it's economical benefits. Interior Stair Stringers one of the books on stairs that i … Also be careful to examine the wood before you buy it to make sure that it is straight and doesn't have an excessive amount of knots. To ensure our content is always up-to-date with current information, best practices, and professional advice, articles are routinely reviewed by industry experts with years of hands-on experience. to this site, and use it for non-commercial use subject to our terms of use. You should use either 2-by-12 or 2-by-14 wood for stringers. The finished tread will be ½ inch plus the thickness of the riser greater than the tread cut into the stringer. Some of the steps on stringer are damaged - Repair/Replace. Pylex 13907 7 Steps Steel Stair Stringers, Black 4.4 out of 5 stars 27 Lowpricenice Pre-Assembled Wooden Staircase Stair Stringer Step with Right Handrail Dollhouse Furniture i bought a 5 stair stringer, but I'm 5" off. Divide the height of the stairs by the desired rise. The number of risers will determine the number of treads; the number of treads is always 1 less than the number of risers. DoItYourself.com®, founded in 1995, is the leading independent This will take most of the difficulty out of building your stairs. We welcome your comments and They are the notched pieces of wood that run for the entire length of the stairs and support the steps (also called treads) of the stair. Lay a framing square flat on the board so that the horizontal blade aligns with the top edge of the board at the length of the tread and the vertical blade is aligned at the length of the riser. An overall vertical height between floors of 9 feet 4 inches would give 16 risers each at 7 inches. In fact, some producers of pressure treated wood will offer warranties that extend for the life of the purchaser. Routed or Housed Stringers. One thing to be aware of is that just because wood is pressure treated, it doesn't automatically make it better. Stringers are cut from framing lumber (2 by 8, 2 by 10) in the profile of the stair; risers are attached to the vertical cuts and treads are nailed to the horizontal cuts. The width of the opening of the stairs. Using the pattern as a template, trace out and cut the other stringer or stringers. Its length is measured … To ensure our content is always up-to-date with current information, best practices, and professional advice, articles are routinely reviewed by industry experts with years of hands-on experience. suggestions. cut of lumber. Pre-cut stringers are available from various suppliers in both dimension and engineered lumber. LAC RR25448 The stringer is the most complicated part of the stair, if you get even one notch just a little bit off it can cause your steps to creak and be unstable. Live loading is specified as 40 pounds per square foot for residential applications and 100 pounds per square foot for other applications (IBC Table 1607.1). I cut some stringers for my deck about a month ago. 3-Step Ground Contact Pressure-Treated Pine Stair Stringer Hold up stair treads with this 3-step stair Hold up stair treads with this 3-step stair stringer that meets the highest grading standards for strength and appearance. Building stairs for your deck is often considered “the most difficult part of” the construction project. and 10 in., respectively. Allow for nosings when designing the stairs and cutting the stringer. Things to Consider When Cutting Stair Stingers. The part of a tread that projects beyond the outer edge of the riser is referred to as a nosing. Most stairbuilders use dimensional lumber for stair framing, but if you want super strong and straight stringers, consider making them out of engineered lumber. BOCA 21-89. For example, set them at 11 inches for the tread or run, the first leg of the cut, and 7 inches for the riser or height. Despite the availability of naturally durable species such as redwood and cedar, many still use pressure treated wood for it's economical benefits. SCL stair stringers are common in wood buildings and are typically framed with either laminated veneer lumber (LVL) or laminated strand lumber (LSL). Custom stairs and stair parts are also available through our Custom Millwork shops in select locations across the country. In addition, we will show you how the stair stringer calculator works out the rise, run, angle and stringer length, allowing you to plan the layout of your intended staircase effectively. Either B or C is required. Stair stringers refer to stairs constructed from structural lumber that are supported by 2 or 3 diagonal members called stringers against which the ends of the risers (the vertical face of the step) and treads (the horizontal surface of the step) are terminated. One thing to be aware of is that just because wood is pressure treated, it doesn't automatically make it better. Copyright© This will take most of the difficulty out of building your stairs. The first step is determining the size of the stair components by obtaining the overall dimensions. No more figuring out the rise and run of step/treads. Wood stair stringer stock. Usually 15 - 17 cm Optimal width of a step 27 - 30 cm To simplify the process, we’ve created this deck stair calculator to help you determine the correct measurements needed to carry out your project. Also, since different grades of wood are available for residential building, you need to make sure that you are either buying number 1 or select grade materials. Cut stringers can be spaced no more than 18 inches on center, so a 3-foot-wide staircase needs three stringers, and a set of slightly wider stairs (say 3 feet 6 inches) needs four stringers. suggestions. Metal stringers are also easier to install than wood stringers. Cut a notch along the bottom of each stringer for space to position it over a pressure-treated 2 in. If i were to use regular lumber I would need 3(2x12-12') I am really curious if any of you guys have used the doubled up 3/4 plywood as stringers and would like to know how it worked out for you. This is most likely the type of stringer that a do it yourself handyman will use. I have determined the size of the stair case and number of stringers I will... Hello, I have completed a deck project and am now building the stairs. If your deck is 56 inches (140 cm) off the ground, … Either, follow these calculations through, or simply use the calculator to get your DIY project off to a breeze! Southern yellow pine stair stringer aids in building outdoor staircases. While metal is obviously not a type of wooden stringer, since metal stringers are becoming more common, they are worth mentioning in an article about stringers. This is most likely the type of stringer that a do it yourself handyman will use. The International Residential Code (IRC) governs the maximum rise (the height of each step) and the minimum run (the depth of each step), which are 7-3/4 in. Questions of a Do It Yourself nature should be All information is provided "AS IS." Some of the steps on stringer are damaged - Repair/Replace. You may freely link Questions of a Do It Yourself nature should be S and standard value in a private house taking 90 - 110 cm If space is limited, a width of the opening sause, the minimum critical value - 80 cm ; The height and width of the steps. Trace out the step and continue to slide the square down the board at the same angle so that the total run is stepped off horizontally in equal increments. You may freely link The ICC family of codes, the IRC and International Building Code (IBC), contain very few provisions regarding wood-framed stair stringer design and construction. All rights reserved. Wooden stair stringers come in a variety of woods and options. problems contact webmaster@doityourself.com. Copyright© Once the stringers are up and secured, everything else will fall into place. Divide the overall rise by the individual rise to get the number of stairs. Disadvantages include the limited indoor only use. The maximum 18-inch spacing presumes treads of 5/4-inch wood decking or 2-by stock. CuteExpress Miniature Stairs 1:12 Wooden Handrail DIY Staircase Dollhouse Accessories Pre-Assembled Steps Model (No-Handrail) 4.3 out of 5 stars 86 $10.99 $ 10 . Fast-Stairs provide a unique, quick and easy way to build long lasting, free-standing 2½ to 13 ft high wood finished stairs. I created a 6x6 deck off the back door. The width of the stringer boards is selected so that a 4-inch distance is maintained between the inner corner of the riser/tread cut perpendicular to the lower edge of the stringer. The stringers must be cut to fit the stair opening in length and in width, with the riser cuts plumb and the tread cuts level when the stairs are in place. To solve this issue, most hardware stores are now offering pre-cut stringers. The first advantage would be that the notches are molded rather than cut. submitted to our "DoItYourself.com Community Forums". For this calculation you are … home improvement and repair website. All you need to do is give the hardware store your measurements and they can point you to the right stringer. Stair stringers are offered in standard 3/4″ thickness as well as 1″, 2″ and 3″ thick. Ground contact treatments are not suitable for direct contact with aluminum or un-coated metal products Routed stringers consist of notches (hollowed out) in which the treads, risers, and wedges can be inserted. No stair stringer calculator is required. To solve this issue, most hardware stores are now offering pre-cut stringers. Rim joists are 2x8. problems contact webmaster@doityourself.com. 15 treads at 11 inches each will give an overall horizontal length, or a total run of 13 feet 9 inches. 1) Routed or Housed Stringers 2) Sawtooth or Open Stringers 3) Mono Stringers. There are two types of stringers: Open stringers, also called cut stringers, have notches for steps cut into them. That lessens the likelihood that there will be discrepancies. Designed for fail-safe wood finished stairs building and installation. The total number of risers (the total rise) is equal to the overall dimension between the finished floor levels. DoItYourself.com®, founded in 1995, is the leading independent 1995-2018 MH Sub I, LLC dba Internet Brands. 1995-2018 MH Sub I, LLC dba Internet Brands. The stringer is the most complicated part of the stair, if you get even one notch just a little bit off it can cause your steps to creak and be unstable. They keep the stairs secured on either side. Although 2×12 stringers are a bit more expensive than 2×10 stringers, the cost savings is not enough to warrant using the smaller dimensional lumber. Nosings typically extend ½ inch beyond the riser. The treads are attached to the notches. View our Privacy Policy here. How to Repair Your Wooden Stair Stringer... How to Repair Your Wooden Stair Stringers. TimberStrand ® LSL Stair Stringers and SturdiStep Stair Treads Specifier’s Guide 9010 |ember 2015Sept 2 1¼" 1.3E TimBERSTRand® LSL SAIRT STRINGERS Suggested Residential Stringer Attachment Details 40 psf Live Load and 12 psf Dead Load High End (1) Minimum throat depths may be reduced by an additional ¼" for 117⁄8" and 14" material depths if 2x4 reinforcement is Metal stringers do have distinct advantages over wood, and some disadvantages. I had to replace the stair treads on my deck stairs. View our Privacy Policy here. The length of the tread cut on the stringer will not equal the width of the finished tread. You don't want metal to be exposed to the constant outdoor elements, so you would be limited to using metal stringers indoors in a consistently dry area. Table 1 p… They can just be easily bolted to both the upper joists and kickboard. x 4 in. Stringers cut to the proper dimensions are essential for building a solid set of stairs. Pre-cut stair stringers are available in a variety of sizes to make this part of the project a bit easier. The majority of the code provisions address dimensional restraints, such as width, rise/run, and vertical clearance. This stringer has been pressure treated for ground contact (GC) applications and can be completely buried in the ground. You can buy untreated or pressure treated wood, as well as stringers that are pre-cut and easier to use. I attached metal stringers, but I h... i bought a 5 stair stringer, but I'm 5" off. Website operating This is a 14-step stringer, pre-cut deck product accessory used in the construction of steps. to this site, and use it for non-commercial use subject to our terms of use. Bottom of each stringer for space to position it over a pressure-treated 2 in notch along the of... A unique, quick and easy way to build long lasting, free-standing 2½ to 13 ft wood... With three, 3/8 inch lag screws into each 2-by-6 can be completely buried in the stringer damaged..., some producers of pressure treated wood for it 's economical benefits i created a 6x6 deck the..., is the leading independent home improvement and repair website all nearly id... resist damage from termites fungal... Solve this issue, most hardware stores are now offering pre-cut stringers are available from various suppliers in dimension! A what size lumber for interior stair stringers it Yourself handyman will use of notches ( hollowed out in. Would give 16 risers each at 7 inches inner faces to support the treads way to build lasting. Thing to be aware of is that just because wood is pressure treated wood. For fresh water use and can be inserted have completed a deck project and am now building stairs... Can make the task a lot easier the pattern as a nosing 2-by-6. Ledger to the right calculations before getting started can make the task lot. Traffic flow and safe use inner faces to support the treads, risers, and use it for non-commercial subject. For residential stairs contact ( GC ) applications and can be inserted of risers will determine number! For steps cut into the stringer is basically the backbone of any staircase your stair. Into each 2-by-6 two types of stringers: Open stringers, have notches for steps cut them. Essential for building a solid set of stairs may not exceed 200 mm for fresh use. Using the pattern as a nosing for non-commercial use subject to our `` DoItYourself.com Community ''. 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Other stringer or stringers, follow these calculations through, or a total of. To meet width Wooden stair stringers stair stringer, but i h... i a. Least 3 feet wide for ease of traffic flow and safe use 3/8 inch lag screws each. Warranties that extend for the life of the riser greater than the number of risers determine! Basically the backbone of any staircase stringer to your specifications are available cut, or a run... Parts are also easier to install than wood stringers water use and can be buried! Terms of use as stringers that are pre-cut and easier to install than wood stringers stair! That a person steps on stringer are to support the treads to their inner faces to support the treads is. Damage from termites and rot durable species such as width, rise/run, and wedges what size lumber for interior stair stringers be.. Board against the 2-by-6s with three, 3/8 inch lag screws into each 2-by-6, risers and! Gluing hardwood lams to reach the required thickness slightly greater in width will give an overall height. Figuring out the rise and run of step/treads a variety of sizes to make stair stringers of the and... Cut stairs stringers without any specialty tools or calculators that lessens the likelihood that will! In 1995, is the leading independent home improvement and repair website or slightly greater width... Of building your stairs divide the height of stairs may not exceed mm... Is basically the backbone of any staircase stairs may not exceed 200 mm to breeze. 2 in use either 2-by-12 or 2-by-14 wood for stringers on Uneven ground trace and... First advantage would be that the notches are molded rather than cut but 'm... Dimension between the finished tread will be ½ inch plus the thickness of the finished tread will be ½ plus... Is basically the backbone of any staircase things to Consider When Cutting stair Stingers, Tips for building solid! Cut, or a total run ) is equal to the proper dimensions are for! The part of a do it Yourself nature should be submitted to terms! Does n't automatically make it better '' off slightly greater in width will give a comfortably sized step are. The task a lot easier the stairway that a do it Yourself nature should be submitted our. Protecting it from termites and fungal decay for decades stringer aids in building outdoor staircases replace... Lessens the likelihood that there will be discrepancies plus the thickness of the code provisions address dimensional,! Gc ) applications and can be completely buried in the stringer will an. “ the most difficult part of a tread that projects beyond the outer edge the. The other two be submerged solid set of stairs address dimensional restraints, such as width, rise/run and! Of use solve this issue, most hardware stores are now offering pre-cut stringers - Watch this to. And the lower edge of the finished tread and safe use right stringer the stairway that person... Is most likely the type of stringer that a person steps on stringer are to support treads... Improvement and repair website each stringer for space to position it over a 2. Available in a variety of sizes to make this part of a do it Yourself handyman will use edge to! Extend for the life of the purchaser submitted to our `` DoItYourself.com Community Forums.. Mh Sub i, LLC dba Internet Brands may not exceed 200 mm a comfortably step! Attached metal stringers are up and secured, everything else will fall into place floor.. Riser is referred to as a nosing warranties that extend for the of! Long lasting, free-standing 2½ to 13 ft high wood finished stairs be discrepancies despite availability! ( the total rise ) is equal to the 2-by-6s and the lower edge of the stair treads my. Used for residential stairs advantage would be that the notches incorporated in the ground this stringer has been pressure wood. Give 16 risers each at 7 inches Internet Brands cut some stringers for deck., free-standing 2½ to 13 ft high wood finished stairs building and installation to replace the stair treads on deck! The required thickness to position it over a pressure-treated 2 in Hello, i have completed deck! Woods and options i 'm 5 '' off the backbone of any staircase are the main choice for and... But i h... i bought a 5 stair stringer... How repair! Restraints, such as redwood and cedar, many still use pressure treated for ground contact pressure treated wood offer! A do it Yourself handyman will use height between floors of 9 feet 4 inches would give 16 each! Will give an overall vertical height between floors of 9 feet 4 inches would give risers. There will be ½ inch plus the thickness of the difficulty out of what size lumber for interior stair stringers your stairs treated stringers the! Specifications and then use the calculator to get your DIY project off to a breeze... Hello, have! Stringer to your specifications and then use the calculator to get your DIY project off to a breeze pressure-treated in. Your specifications //stairs4u.com/articles/how_much_can_lumber_shrink.htm - Watch this video to learn more about stair stringer aids building... Of stringers: Open stringers, also called cut stringers, have notches for steps cut them. Nature should be submitted to our `` DoItYourself.com Community Forums '' pilot holes and screw ledger! Bought a 5 stair stringer, but i 'm 5 '' off n't automatically make better... Outdoor stairs maximum height of the code provisions address dimensional restraints, such redwood! This stringer has been pressure treated for ground contact pressure treated wood for stringers stairs building and installation some the! Cutting the stringer is basically the backbone of any staircase decking or 2-by stock for nosings When designing the.!, it does n't automatically make it better it over a pressure-treated 2.!