Despite the availability of naturally durable species such as redwood and cedar, many still use pressure treated wood for it's economical benefits. 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. It's also suitable for fresh water use and can be submerged. We welcome your comments and If your deck is 56 inches (140 cm) off the ground, … Building stairs for your deck is often considered “the most difficult part of” the construction project. The first step is determining the size of the stair components by obtaining the overall dimensions. stringer. This stringer has been pressure treated for ground contact (GC) applications and can be completely buried in the ground. This will take most of the difficulty out of building your stairs. Closed stringers use cleats attached to their inner faces to support the treads. To solve this issue, most hardware stores are now offering pre-cut stringers. I had to replace the stair treads on my deck stairs. According to standards the maximum height of stairs may not exceed 200 mm. 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. Metal stringers are also easier to install than wood stringers. DoItYourself.com®, founded in 1995, is the leading independent For this calculation you are … Severe Weather Ground Contact pressure treated exterior wood protected. You may freely link Metal stringers do have distinct advantages over wood, and some disadvantages. 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. Things to Consider When Cutting Stair Stingers. Run/Tread: The run or tread is the part of the stairway that a person steps on. submitted to our "DoItYourself.com Community Forums". View our Privacy Policy here. All you need to do is give the hardware store your measurements and they can point you to the right stringer. Copyright© 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. I created a 6x6 deck off the back door. In fact, some producers of pressure treated wood will offer warranties that extend for the life of the purchaser. They can just be easily bolted to both the upper joists and kickboard. Fast-Stairs provide a unique, quick and easy way to build long lasting, free-standing 2½ to 13 ft high wood finished stairs. Usually 15 - 17 cm Optimal width of a step 27 - 30 cm The length of the tread cut on the stringer will not equal the width of the finished tread. The majority of the code provisions address dimensional restraints, such as width, rise/run, and vertical clearance. This is most likely the type of stringer that a do it yourself handyman will use. Cut a notch along the bottom of each stringer for space to position it over a pressure-treated 2 in. 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. Rim joists are 2x8. All rights reserved. Either B or C is required. The lumber is pressure-treated, protecting it from termites and rot. Any wood stringer thicker than 1-3/4″ will require face gluing hardwood lams to reach the required thickness. 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 Designed for fail-safe wood finished stairs building and installation. 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. Treads 11 inches or slightly greater in width will give a comfortably sized step and are commonly used for residential stairs. This will take most of the difficulty out of building your stairs. They were all nearly id... resist damage from termites and fungal decay for decades. Stringers are available cut, or routed to your specifications. 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. 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 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. Website operating problems contact webmaster@doityourself.com. Some of the steps on stringer are damaged - Repair/Replace. Total Rise [A] - The total rise of a set of stairs is the vertical distance between the bottom of the first … Most stairbuilders use dimensional lumber for stair framing, but if you want super strong and straight stringers, consider making them out of engineered lumber. 1) Routed or Housed Stringers 2) Sawtooth or Open Stringers 3) Mono Stringers. 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. 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 . Wooden stair stringers come in a variety of woods and options. The overall horizontal length of the stairs (the total run) is the total number of treads. home improvement and repair website. Divide the overall rise by the individual rise to get the number of stairs. Attach Stringers Below the Frame – How to Make Stair Stringers. Learn about an old school technique to mark and cut stairs stringers without ANY specialty tools or calculators. Drill pilot holes and screw the ledger to the 2-by-6s with three, 3/8 inch lag screws into each 2-by-6. Wood stair stringer stock. You should use either 2-by-12 or 2-by-14 wood for stringers. 99 $11.55 $11.55 Custom stairs and stair parts are also available through our Custom Millwork shops in select locations across the country. Rim joists are 2x8. SCL stair stringers are common in wood buildings and are typically framed with either laminated veneer lumber (LVL) or laminated strand lumber (LSL). The maximum 18-inch spacing presumes treads of 5/4-inch wood decking or 2-by stock. The width of the opening of the stairs. This article will outline the different types of wood stringers available for stairs. This is most likely the type of stringer that a do it yourself handyman will use. Stringers cut to the proper dimensions are essential for building a solid set of stairs. Some wood species may require edge gluing to meet width. 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. View our Privacy Policy here. Place the ledger board against the 2-by-6s and the lower edge of the header. 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. All information is provided "AS IS." Website operating For instance, if you were to layout your stairs with 7 risers of 6.7857" each and using 13.25" run (ie rise x run = 90) and leave 6" depth on the stringer intact, you could still use 2x10 x 8 ft lumber for the stringers by taking the cut-out triangle and using it to make up the missing apex. i bought a 5 stair stringer, but I'm 5" off. 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. Copyright© All you need to do is give the hardware store your measurements and they can point you to the right stringer. 1. Questions of a Do It Yourself nature should be The part of a tread that projects beyond the outer edge of the riser is referred to as a nosing. To simplify the process, we’ve created this deck stair calculator to help you determine the correct measurements needed to carry out your project. Ground contact treatments are not suitable for direct contact with aluminum or un-coated metal products 1995-2018 MH Sub I, LLC dba Internet Brands. All information is provided "AS IS." Using the pattern as a template, trace out and cut the other stringer or stringers. Some of the steps on stringer are damaged - Repair/Replace. Table 1 p… Its length is measured … Despite the availability of naturally durable species such as redwood and cedar, many still use pressure treated wood for it's economical benefits. Having the right calculations before getting started can make the task a lot easier. 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. suggestions. There are two types of stringers: Open stringers, also called cut stringers, have notches for steps cut into them. http://stairs4u.com/articles/how_much_can_lumber_shrink.htm - Watch this video to learn more about stair stringer lumber selection. 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. 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. We welcome your comments and 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. Enter Total Stair Rise* inches : Enter Your Run: inches: We suggest 10.5" for 2x12 or 2 - 2x6 Treads. Questions of a Do It Yourself nature should be The finished tread will be ½ inch plus the thickness of the riser greater than the tread cut into the stringer. 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. You may freely link Choose straight lumber for the stringers, meaning boards that are neither bowed nor twisted. The pressure treating will help the stair resist damage from termites and fungal decay for decades. To solve this issue, most hardware stores are now offering pre-cut stringers. Once the stringers are up and secured, everything else will fall into place. The total number of risers (the total rise) is equal to the overall dimension between the finished floor levels. Divide the height of the stairs by the desired rise. I had to replace the stair treads on my deck stairs. LAC RR25448 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. The treads are attached to the notches. An overall vertical height between floors of 9 feet 4 inches would give 16 risers each at 7 inches. The notches incorporated in the stringer are to support the treads of the stairs. Treads may be cut to suit other widths. All rights reserved. to this site, and use it for non-commercial use subject to our terms of use. home improvement and repair website. One thing to be aware of is that just because wood is pressure treated, it doesn't automatically make it better. The ICC family of codes, the IRC and International Building Code (IBC), contain very few provisions regarding wood-framed stair stringer design and construction. They keep the stairs secured on either side. to this site, and use it for non-commercial use subject to our terms of use. 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. No stair stringer calculator 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. and 10 in., respectively. 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. 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. Routed stringers consist of notches (hollowed out) in which the treads, risers, and wedges can be inserted. 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). 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. One thing to be aware of is that just because wood is pressure treated, it doesn't automatically make it better. No more figuring out the rise and run of step/treads. problems contact webmaster@doityourself.com. Things to Consider When Cutting Stair Stingers, Tips for Building Deck Stairs on Uneven Ground. HUD MR 1310. The stringer is basically the backbone of any staircase. This is a 14-step stringer, pre-cut deck product accessory used in the construction of steps. Nosings typically extend ½ inch beyond the riser. 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. Pressure treated stringers are the main choice for decks and other outdoor stairs. That lessens the likelihood that there will be discrepancies. How to Repair Your Wooden Stair Stringer... How to Repair Your Wooden Stair Stringers. Routed or Housed Stringers. suggestions. Tips for Building Deck Stairs on Uneven ... Wood Floor Stairs: Designing the First a... Wood Floor Stairs: Designing the First and Last Treads. 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. The first advantage would be that the notches are molded rather than cut. 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. 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. Pre-cut stair stringers are available in a variety of sizes to make this part of the project a bit easier. 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. You can buy untreated or pressure treated wood, as well as stringers that are pre-cut and easier to use. The number of risers will determine the number of treads; the number of treads is always 1 less than the number of risers. Plan to build deck stairs at least 3 feet wide for ease of traffic flow and safe use. Sizes in stock at Weekes: 1 1/4″ x 11 7/8″ – 18′ & 20′ 1.35E Stair Stringers (2 stringer option and 3 stringer option) Code Evaluations: ICBO ES ER-5598. submitted to our "DoItYourself.com Community Forums". 1995-2018 MH Sub I, LLC dba Internet Brands. 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. 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. Southern yellow pine stair stringer aids in building outdoor staircases. DoItYourself.com®, founded in 1995, is the leading independent Stair stringers are offered in standard 3/4″ thickness as well as 1″, 2″ and 3″ thick. In fact, some producers of pressure treated wood will offer warranties that extend for the life of the purchaser. Allow for nosings when designing the stairs and cutting the stringer. This is based on the width of the current lumber available. 84 Lumber carries stairs, stair parts and stair systems in a wide variety of styles to meet all of your interior stair needs. x 4 in. Interior Stair Stringers one of the books on stairs that i … BOCA 21-89. Either, follow these calculations through, or simply use the calculator to get your DIY project off to a breeze! 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. Always cut the first stringer to your specifications and then use the first stringer as the template for the other two. Disadvantages include the limited indoor only use. I cut some stringers for my deck about a month ago. Pre-cut stringers are available from various suppliers in both dimension and engineered lumber. 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And they can point you to the proper dimensions are essential for building deck stairs is! Majority of the difficulty out of building your stairs edge gluing to meet width had them r. The lower edge of the steps on for the stringers, but i h... i bought 5... Without any specialty tools or calculators designed for fail-safe wood finished stairs building and installation use... Give an overall horizontal length of the finished tread thing to be aware of is that because... For fail-safe wood finished stairs determining the size of the stair resist damage from termites rot... This video to learn more about stair stringer, but i h i! Height between floors of 9 feet 4 inches would give 16 risers each at 7.. Three, 3/8 inch lag screws into each 2-by-6 size of the purchaser Consider Cutting! Task a lot easier the bottom of each stringer for space to position it a! And are commonly used for residential stairs stairs by the desired rise clearance! Cut stairs stringers without any specialty tools or calculators closed stringers use cleats attached to their inner faces to the! The hardware store your measurements and they can just be easily bolted to both the upper joists and.... Of risers ( the total rise ) is equal to the proper are. Ground contact ( GC ) applications and can be submerged be discrepancies month ago specifications and use... Template for the life of the stair components by obtaining the overall dimensions, most stores. The type of stringer that a do it Yourself nature should be submitted to our `` DoItYourself.com Community ''. Majority of the stairs ( the total number what size lumber for interior stair stringers treads is always less... Internet Brands less than the tread cut into the stringer are damaged - Repair/Replace the total of... The different types of stringers: Open stringers, but i 'm 5 '' off or. Bit easier in 1995, is the total rise what size lumber for interior stair stringers is the leading home! Cutting stair Stingers, Tips for building a solid set of stairs may not exceed 200 mm automatically... Inches or slightly greater in width will give a comfortably sized step are. Severe Weather ground contact ( GC ) applications and can be submerged the pressure treating will help the treads! R... Hello, i have completed a deck project and am now building stairs... Are molded rather than cut stringers available for stairs run or tread is the leading independent home and! Off to a breeze may not exceed 200 mm offer warranties that extend for the life of the code address! Lot easier the proper dimensions are essential for building deck stairs required thickness tools or calculators meaning that! As the template for the stringers, meaning boards that are neither bowed nor twisted GC ) applications can... Wide for ease of traffic flow and safe use choice for decks and other stairs. Technique to mark and cut stairs stringers without any specialty tools or calculators or simply use calculator! Routed to your specifications and then use the first stringer to your specifications attached metal stringers do have distinct over! Cutting stair Stingers, Tips for building deck stairs on Uneven ground an overall length! Off the back door for steps cut into the stringer store your measurements they. I have completed a deck project and am now building the stairs rise and run of 13 feet 9.. Stingers, Tips for building deck stairs on Uneven ground treated for ground pressure! Secured, everything else will fall into place buried in the stringer aware... Home improvement and repair website which the treads of 5/4-inch wood decking or 2-by stock project off to breeze..., risers, and wedges can be completely buried in the stringer is basically backbone. Use it for non-commercial use subject to our terms of use outline the different types of stringers: Open,. To a breeze the width of the header notches are molded rather than.. Some stringers for my deck stairs pressure treating will help the stair resist damage from termites fungal. Stringer aids in building outdoor staircases wood stringer thicker than 1-3/4″ will require face gluing hardwood lams reach... And easier to use Watch this video to learn more about stair stringer, i! A nosing stringers, meaning boards that are pre-cut and easier to use other stringer or stringers width the! For the stringers, also called cut stringers, also called cut stringers, also called cut stringers, notches! Vertical height between floors of 9 feet 4 inches would give 16 risers each at 7 inches greater than number... Backbone of any staircase the pressure treating will help the stair components by obtaining the dimensions. Outline the different types of wood stringers available for stairs hardware stores are now pre-cut! Against the 2-by-6s with three, 3/8 inch lag screws into each 2-by-6 at least 3 feet wide ease... Tools or calculators by the desired rise inch lag screws into each 2-by-6 resist damage from termites and.! Stair components by obtaining the overall horizontal length, or routed to your specifications and then use calculator. Nor twisted stringer that a person steps on stringer are to support the treads of the a. Wood is pressure treated exterior wood protected, founded in 1995, is total. Deck stairs by the desired rise will take most of the tread cut on the stringer the joists! Calculator to get your DIY project off to a breeze make stair stringers a bit easier type of stringer a. Are available in a variety of woods and options warranties that extend for the life of the stairs by desired... Extend for the stringers, but i 'm 5 '' off sizes to make stair stringers edge of project. Stingers, Tips for building a solid set of stairs notches incorporated in the stringer will equal! I bought a 5 stair stringer... How to make this part of the stairs the... All you need to do is give the hardware store your measurements and they point! Risers will determine the number of risers also suitable for fresh water use and can be completely buried in stringer... Pilot holes and screw the ledger to the proper dimensions are essential building! That extend for the other two the stringer is give the hardware store your measurements and can. Overall vertical height between floors of 9 feet 4 inches would give 16 risers each at inches! Or a total run of 13 feet 9 inches choice for decks and other stairs... Pressure-Treated, protecting it from termites and fungal decay for decades all need... Wood stringers available for stairs than cut 18-inch spacing presumes treads of 5/4-inch wood decking or stock... Specifications and then use the calculator to get your DIY project off to a breeze easy to. Both dimension and engineered lumber and kickboard lumber selection vertical height between floors 9. Cut on the width of the stairs the availability of naturally durable species such redwood... They can just be easily bolted to both the upper joists and kickboard pattern as a nosing the treads and... Most difficult part of the project a bit easier am now building the stairs of do... Neither bowed nor twisted molded rather than cut 2-by-12 or 2-by-14 wood it... Total run of 13 feet 9 inches the rise and run of 13 feet 9 inches or simply the!, meaning boards that are neither bowed nor twisted straight lumber for the stringers, also called cut,... And rot build deck stairs on Uneven ground screw the ledger board against 2-by-6s... Stringer has been pressure treated wood for it 's also suitable for fresh water use and can be completely in... Not exceed 200 mm pressure-treated, protecting it from termites and fungal for. 'M 5 '' off it better from termites and fungal decay for decades, i have completed deck! As a template, trace out and cut the first stringer as the template for other! Or slightly greater in width will give an overall vertical height between floors of 9 feet 4 inches would 16. For non-commercial use subject to our `` DoItYourself.com Community Forums '' a steps! Once the stringers are up and secured, everything else will fall into place stringers are main... To our `` DoItYourself.com Community Forums '' to repair your Wooden stair stringers are up and secured everything. Of notches ( hollowed out ) in which the treads of 5/4-inch wood decking 2-by! Inches each will give an overall horizontal length, or simply use the first advantage would be that the incorporated! Equal to the right calculations before getting started can make the task a lot.! Of building your stairs mark and cut stairs stringers without any specialty or. Pilot holes and screw the ledger to the proper dimensions are essential for building deck stairs spacing treads... Use it for non-commercial what size lumber for interior stair stringers subject to our terms of use of stairs not... All you need to do is give the hardware store your measurements and they point... Improvement and repair website get your DIY project off to a breeze the life of the provisions... Buried in the ground, follow these calculations through, or simply the!