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  1. Home
  2. Moldings & Trim
  3. Carbonized Strand Bamboo 4ft Stair Riser
  • Carbonized Strand Bamboo 4ft Stair Riser
  • Carbonized Strand Bamboo 4ft Stair Riser

Carbonized Strand Bamboo 4ft Stair Riser

Item No: 733074274748


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Description & Specs

Product Description

Are you one of those people that loves everything to match? We have good news for you! Now you can purchase Carbonized strand bamboo stair risers (also known as upboards) to match your Carbonized strand stair treads or stair noses. Choosing the right riser is an important decision because they often get kicked or scuffed as people walk up the stairs. You want a riser that can withstand abuse over long periods of time. These risers come prefinished just like our floors and are just as durable. Since they are darker, you are less likely to notice dirt and shoe marks. These risers are 4 ft in length.

Features

Product Features

30 days money back guarantee

Money Back Guarantee

At Ambient we offer customers in the U.S. and Canada a 30-day money back guarantee on all flooring orders and we are dedicated to your complete satisfaction. Please read the complete program details here.

Moldings & Trim
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We highly recommend you review our Shipping Policy, which has a lot of great information and a short video about the shipping process.  When your order ships out we’ll send you a notification email with all of your shipping information.  Once the shipment arrives at the local freight terminal near your delivery location, the terminal staff will call you to schedule a delivery appointment* (weekdays, usually a 2-6 hour window).  Make sure you don’t miss the delivery appointment or the freight company may charge a hefty re-delivery fee. *if you have selected commercial/freight dock delivery, freight may be delivered without needing an appointment

Once the order arrives, ensure you mark any damages you see on the driver’s bill of lading (they’ll then usually give you a copy).  You don’t have to open and inspect every item, just look at the outside of the pallet – that is where the shipping damage will be. Ensure you write the number of damaged items and detailed notes, then take photos of the damaged items and email all of this information to your Ambient representative to ensure we can ship out free replacements.

Important note: If your delivery location is located on a road that cannot be accessed by a semi-trailer truck, you may be required to pick the freight up at the local terminal or meet the driver at an intermediary location.

We accept the following payments:

1. All major credit and debit cards.

2. Personal and bank checks (please note there may be a 14-day shipping delay).

3. ACH payments. 

4. Paypal. In fact, PayPal Credit offers financing. 

If you're starting a project and planning on DIY'ing it, or in the initial phases and starting to plan the job with your installer, below are some helpful questions you'll want to consider before beginning.

1. What type of subfloor (usually plywood or concrete) will the floor be installed over? This may determine which type of flooring you'll buy (solid vs engineered) and what type of underlayment or glue you'll need.
2. Do you already have a specific plan to float, nail, or glue down the floor, and if so, why? Some people are misinformed about what installation types should be used when. We recommend our article Nailing vs Gluing vs Floating.
3. What other types of flooring will the floor be butting up to?  Will you require transition pieces and how many? This will determine what moldings and trim you need to buy. If you're not sure how the moldings are used, check out our Moldings & Trim Guide.
4. How much flooring will you need to complete the job?  Have you added waste? It's recommended to add 10% for waste on regular installations, and 15% for waste on diagonal installations.
5. When do you plan to start, and when do you need to receive the flooring material? Remember that it takes approximately 5-10 business days from when you purchase your flooring to when it's delivered.
6. What kind of traffic do you expect on the flooring?  Do you have kids, dogs, is it a commercial space? This may help you choose what type of flooring to get, and if you should go with a lighter/darker floor.
7. Will you be installing the floor yourself, or hiring a professional? Either way, you'll want to make 100% sure whoever is installing the floor reads the installation instructions before starting.

We highly recommend reading our Shipping Policy for a comprehensive explanation of our shipping processes.

We ship most freight orders (over 125 lbs) out within 4 business days of purchase, the average being 2 business days. For faster shipment of freight orders, we offer an Expedited Shipping option at checkout however please note that this simply means that we will ship the order out the next business day - it does not shorten the transit time once shipped. For small parcel orders we offer express UPS shipping options at checkout as well; please note that for express shipping services the order must be placed by 2pm EST in order to ship out that same day, otherwise we will process the shipment the next business day.  We do not ship out orders, nor do the shipping companies deliver them, on weekends. 

For residential lift-gate freight order deliveries, once the flooring order arrives at the local freight terminal, they will call you to schedule your delivery appointment, which is usually a 2-6 hour window on the day of your choosing (weekdays only) when possible. All deliveries are curbside as the freight companies do not offer inside delivery.

Freight drivers do not bring products inside the delivery location. For small parcel shipments, delivery policies are determined by the shipping company and may vary. For more details we strongly suggest reading our Shipping Policy.

For flooring freight shipments, standard delivery is curbside with lift-gate service unless you specifically request freight dock delivery. "Curbside delivery" means the driver will lower the pallet onto the street at the end of your driveway. Drivers are not required to enter your property, but if conditions allow—such as a short, flat driveway—they may choose to back up and place the pallet on the driveway.

Materials exceeding 4 feet in width or 6 feet in length, such as bamboo plywood, MagPanel, or decking, must be unloaded manually or with a forklift at the curbside. Large pallets are positioned lengthwise on the truck and require a forklift with 8-foot forks or extensions for unloading. For substantial orders, we recommend having a forklift on-site capable of lifting 4,000 lbs unless alternative arrangements have been made. It is the customer’s responsibility to ensure the appropriate equipment is available at the delivery site to offload large shipments.

It is crucial that the customer, or an authorized representative, be present at the delivery site to accept the shipment, inspect for any external damages, and note any issues on the delivery driver’s bill of lading. Failure to do so may prevent us from providing complimentary replacements. Please note that hiring labor solely to await the delivery is not advisable, as freight companies may miss scheduled appointments, and compensation for such delays is not provided.

We may be able to design custom moldings for your project but there is a minimum order quantity of 50 pieces, and a 90-100 day lead time.

While it can be a bummer if your shipment arrives damaged – it is not the end of the world! We can easily send you free replacements for anything that was damaged in transit - all we ask is that you do not refuse the shipment and mark any damages on the receipt provided by the driver. After that, please take a few photos of product while it is still on the pallet and email them to [email protected] so we can make a record on your account. Then, please examine the items further once you've brought them inside to determine the extent of the damage, and take photos of affected areas if you require replacements. Once we receive the details and photos we will send out the replacements right away. Most of the time, installers will be able to work around the damage instead of waiting to get replacements. For more information please see our Shipping Policy page.

Occasionally you will have an item with a visible defect either in the stain, finish, or milling. Like most building materials suppliers our effective defect rate is under the industry-standard 3%. However, if you are finding that more than 3% of the product you have ordered has defects, please let us know as soon as possible so we can resolve the matter quickly.

We recommend that you review our handy Return Shipping Guide to see the detailed steps to return your order.

Yes, we may be able to accommodate this, but please note that we may still apply a small shipping and handling fee to your order.  Please reach out to your sales representative for details.

The links to the policies below can also be found in the footer of our website, and we encourage all customers to review these policies before purchasing.

Return Policy   |   Sale Policy   |   Shipping Policy

Absolutely! We’ve shipped our products to such far-flung locations as Guam, Kenya, Tanzania, Bahrain, Great Britain, Kuwait, France, Mexico, Canada, Hawaii, and many more.  Please note that international shipments may require you to procure the services of a freight forwarder at the port of discharge; most port authorities can provide recommendations for reputable freight forwarders that service your home port.  Also, minimum order quantities may apply to some countries.  Call your Ambient representative today at (866) 710-7070 for shipping quotes to your country!

We may have moldings, stair parts, and trim available for your floor. We recommend checking out our moldings and trim page and using the color filter to see our full selection.

We don’t carry pre-made stains specifically for matching our strand woven bamboo flooring, but we recommend purchasing a high-quality stain kit that includes a variety of colors for creating a custom blend. Since unfinished strand bamboo floors and moldings can’t be stained on-site due to their density, we suggest using unfinished low-grain woods like oak or maple to create your moldings and stair treads.

For custom staining, we recommend these stain kits:

  • Minwax Wood Finish Stain Marker Kit: Great for small projects and easy to blend colors.
  • Varathane Premium Stain and Polyurethane Kit: Offers a range of colors and a combined stain-and-seal application.
  • General Finishes Water-Based Wood Stain Kit: Ideal for mixing to match your flooring color, with quick-drying results.
  • Rubio Monocoat Color Pack: Provides a high-end, customizable stain with great durability.
  • Osmo Polyx-Oil Tints Kit: Combines stain and finish, with a variety of tints.

A dye lot is similar to a 'batch number' and is an alphanumeric code assigned to each different batch of flooring as it is manufactured. 

For bamboo or eucalyptus floors: Since these floors are made from a natural material, there can be variation between lots/batches. The flooring sample(s) you received will have a sticker on the back that tells you the lot number that the flooring came from, and referencing this number when placing your order will ensure that the floors you receive come from the same lot that your sample was cut from. If you're ordering moldings to go with your flooring, please note that these products are manufactured separately from our floors and are not assigned lot numbers. It is our policy to fulfill every order (that contains floors and moldings) with the moldings and trim pieces that best match the dye lot of the flooring ordered.


For LVP floors: Since vinyl is not a natural product like wood, there is significantly less variation between lots or batches of flooring. Although it doesn't hurt to reference the lot number listed on your sample when placing your flooring order, it isn't 100% necessary to reference it.

We recommend that you always carefully measure your walls to determine how many moldings you'll need, however a quick ratio used by many installers is to order 30% of the total flooring square footage.  For example, if you’re installing 1,000 sq ft of flooring you'll need roughly 300 linear feet of perimeter trim moldings.  It also depends on how many cuts need to be made, but that rough estimate will get you started. For additional help with measurements for your project, check out our Square Footage Calculator (+ more)!

Yes, mild to moderately warped wood can often be fixed. Here’s how:Moisture Rebalancing

Warping typically occurs due to uneven moisture content. Re-balancing the moisture can help.

  • Dry Heat Method (For Mild Warps):
    • Place the piece on a flat surface in a warm, dry area.
    • Use weights to flatten it (e.g., heavy books, bricks, or clamps with a flat board on top).
    • Allow to rest for several days.
  • Moisture and Heat Method (For Moderate Warps):
    • Lightly mist the concave side of the piece with water.
    • Place the pieces flat on a surface with the convex (curved-out) side facing up.
    • Cover the pieces with a damp towel.
    • Apply gentle, even heat using a heat source like an iron on low (with a cloth in between) or by leaving them in a warm, sunny spot.
    • Gradually apply weights to flatten as the wood relaxes.

Clamping: For more severe warping, clamp the piece between two flat boards and leave it for several days, checking periodically.

Installation Adjustment: Slight warping can sometimes be corrected during installation using construction adhesive and screws.

To prevent future warping, acclimate to the environment for 5–7 days before installation and maintain stable indoor humidity (35–55%). 

Yes, we ship to both Alaska and Hawaii!

Alaska Shipments

There are two main shipping options:

  • Direct Shipping to Alaska
    • We can arrange direct freight shipments to locations in Alaska that are accessible via standard freight routes.
    • To provide an accurate shipping quote, we require the exact item(s) and quantities you require.
    • Some carriers may add unexpected fees beyond the original quote, so we recommend verifying final costs before booking.
  • Shipping via a Freight Forwarder (Recommended)
    • The most cost-effective method is to ship to a freight forwarder in Seattle, such as Alaska Freight Company.
    • The forwarder will handle the final leg of delivery to the customer’s location in Alaska.
    • We offer free shipping on orders over 800 ft² to the Seattle freight forwarder.

    • Are There Any Special Considerations for Alaska Shipments?

    • Remote & Island Deliveries: Some areas, such as the Kenai Peninsula and Juneau, require boat transport for final delivery.
    • Customers in these locations will need to arrange for additional transportation after their order arrives at an Alaska-based freight terminal or a Seattle-based forwarder.
    Hawaii Shipments
    • Shipments to Hawaii require a freight forwarder that specializes in island deliveries.
    • We recommend Aloha Freight for reliable transport from the mainland to Hawaii.
    Recommended Freight Forwarders
    • Seattle to Alaska: Alaska Freight Company
    • Mainland to Hawaii: Aloha Freight

    To get a quote for a shipment to Alaska or Hawaii simply send the item(s) and quantities you're interested in to our support team at support@ambientbp.com and a team member will reach out within 24 business hours!

    To check the length or other dimensions of our floor moldings, we recommend you check out our moldings & trim page - here you can click any item to go to its product detail page, which will contain a dimensions diagram with all the information you need.

    At Ambient, we deeply appreciate the dedication of our nation's military personnel and law enforcement officers. As a token of our gratitude, we offer a 5% discount on all products for active-duty U.S. armed forces members and full-time local and state law enforcement.

    To apply this discount, simply enter coupon code "HONOR" at checkout. Please note:

    • Clearance items and odd lots are not eligible.
    • This discount cannot be combined with other promotions.
    • Occasionally, we offer volume discounts that may exceed 5%. In such cases, the military discount cannot be added on top.

    Thank you for your service, we truly appreciate all that you do!

     

     

    We do not recommend installers. However, you have several options available to you to locate a good installer:

    • Ask friends and family. Someone you know has had wood flooring installed within the last 5 years. Ask neighbors, friends, family and coworkers if they were happy with their wood floor installer and if so get their name. Contractors appreciate word-of-mouth referrals and some may even offer a "neighborhood" discount. Yelp is also a good way to find installers; look for those with a minimum of 3-5 reviews.
    • Do your homework. If a contractor disparages a certain product and tries to convince you to buy one of their own floors, be wary. Sometimes this is done because of a bad experience with a low quality brand in the past, and other times they're trying to earn an extra commission from a product distributor.
    • Get at least 3 estimates. Most installers will give you a free estimate over the phone or charge a small fee (from $20-$50) to do an in-home estimate. Try to cover all bases and ask as many questions as possible to get a good sense of their experience and knowledge.
    • Pay a fair wage. Doing price comparisons is vital for you as a consumer. The vast majority of floor installers are honest, hard-working men and women that charge a fair wage and are working to support their families. If they go above and beyond it doesn't hurt to give them a tip at the end of the project.
    • Request a warranty. The best installers are confident in their installation skills and will offer a warranty to back up their workmanship.
    • Plan ahead. You'll want to assume that most installers are booked up with jobs for the ensuing 2-3 weeks, so the earlier you start getting estimates the better off you'll be. Also remember that most of our bamboo floors require at least a 3-day acclimation period, so you'll need to factor that into your plans as well.

     
    WHAT IS SPLINE?  During the installation of tongue and groove hardwood and bamboo flooring, oftentimes it's necessary to reverse the direction of the floor.  In order to due this many installers use what's called "flooring spline" to join the groove sides of two planks together so that they hold firmly in place.


    WHERE CAN I BUY IT?   You can purchase spline right here on our website.  Otherwise your installer may be able to cut/router their own spline on the spot using one of the excess waste flooring planks, on a table saw.  Another common method is to use a 3/4" hardwood spline and adjust it down using a palm sander for a proper fit. 


    HOW TO INSTALL SPLINE

    1) Install a temporary "placeholder row" of sacrificial planks (you will pull these up later) following a straight chalk line (to keep subsequent rows straight).  It's best to use planks that have imperfections on top, however, the edges should be mostly square.  This row will serve as the "brace" against which the subsequent rows will butt up against.

    2) Install 3-5 rows of flooring planks in the same direction.

    3) Carefully remove the first "placeholder row" of sacrificial planks using a pry bar.  Now you can glue in the spline, allow it to set, and then you're ready to start laying flooring in the other direction.  For a tighter fit, glue, and nail the spline.  Titebond T&G glue works great.

    They’re basically the same, they just have slightly different shapes and dimensions.  Please check this video out about the difference between shoe molding and quarter-round.  We sell quarter round in bamboo but not eucalyptus, and we also primed white version.  To see if we carry matching quarter round for a specific floor just click the image of that floor on our bamboo flooring category page to go to its product detail page then scroll down to the Add Moldings strip near the bottom of the page where you’ll see all matching moldings we carry for that floor.

    For flooring and plywood we strongly recommend ordering a sample before placing your final order, so you can ensure that the shading will be to your liking.  Our flooring and plywood samples have a dye lot number sticker on the back of them. Our website checkout process will ask you to type in this dye lot number before final payment; alternatively, if ordering via email or over the phone simply mention this lot number to your Ambient representative and we will update the order with it and ship that exact lot number.  If we don't have that lot number available (it has sold out) but we have a matching lot, we will ship the matching lot.  If we do not have a matching lot, we will not ship your order until you approve samples of the new lot.

    Please remember that photographs on our website are taken from a variety of devices and under many different lighting conditions, and are viewed on a wide range of computer monitors and contrast settings, thus we do not guarantee that any floor will match the photographs on the website. If you order your flooring sight unseen (without receiving samples first), Ambient is not responsible for light or shading variation or differences and thus not responsible for return shipping costs (which can be expensive and can vary greatly depending on where you live and the size of your order). 

    If you receive the order from the exact lot number you requested, or you order sight unseen (you do not provide a dye lot number at checkout), and you decide after it arrives that you want to return the order, you will be responsible for return shipping charges. For flooring orders, please see our 30 Day Money-Back Guarantee for more information.

    No. The only stair pieces we sell are stair treads and stair risers (and we only sell them for certain colors, not all floors).  Below are a few common methods installers use to match up your existing wood stair railings and stair parts to match your new bamboo or eucalyptus flooring.

    1) Choose railings made from a different species of wood that match your floor color, or are a complementary color.

    2) Sand down and stain your existing wood railings to match.

    3) Paint your railings white, black or any other complementary color that suits your interior design.  White railing are the most common as they match up with white baseboard, quarter round and crown moldings.

     

    While we don't currently offer pre-made stair treads and risers specifically designed for our Eucalyptus flooring, you can still achieve the look you want.

    Our Eucalyptus flooring planks can be cut and sized to create custom stair treads and risers. This option allows for a seamless look that perfectly matches your flooring

    We recommend that you check out this helpful illustration for reference. 

    Below is an overview of the types of moldings and trim commonly used for flooring installations. You can also check out our Moldings 101 page!

    T-Molding: This is used to transition between two floors of equal height or within 1/8 inch in height of each other.

    Threshold: This is used to transition between two floors of unequal heights.  The bottom of this molding is commonly cut (ripped) as needed depending on the height of the lower floor.  Also commonly used at exterior doorways and sliding glass doors.

    Reducer: This is used to transition down to the ground.

    Quarter Round: Some installers call this shoe molding and although they serve the same purpose and are usually interchangeable they are slightly different dimensions-wise.  This molding goes all the way around the installation and is often paired with baseboard but not always.  It's used to cover up the expansion gap left around the perimeter of the installation.

    Baseboard: This is used to cover the expansion gap all around the edges of the installation and is sometimes used with quarter round for a finished look.

    Stair Nose: Also known as bull nosing, this piece is used to transition down to a lower level such as a landing, and at the top of a staircase.

    Stair Tread: This is typically one entire piece to cover the stair step, we sell most of them in 48" lengths and some in 72" lengths.  Many of our treads come with two rounded sides and rounded front, so that they can be used on open staircases.

    Stair Riser: This is the vertical piece on the staircase in between each tread and they're usually 48 inches in length but we also carry some 72 inch versions.  We stock them for our most popular colors, and we also sell the white stained poplar risers which are very popular and usually more affordable than the matching wood risers.

    Register Vent/Dampener Covers: We have mostly flush mount register vents with a removable inner grill, but we also carry drop in vents in some colors.  We carry the most common vent dimensions of 4x10 and 4x12 but also some 4x20 versions in popular colors.

    Cove Molding: These pieces are glue up under stair treads and noses to give a more finished look, where the nosing/tread meets the vertical wall or riser.  Most treads and noses aren’t finished underneath, so when you look up at them from below they’ll look nicer if you add a cove molding.

    Spline: Bamboo spline helps transition when you change direction in your flooring planks. It allows you to place two planks (tongue sides) together and continue your flooring installation.

    When it comes to installing moldings and trim, there are two main methods:

    Molding/Trim Installation - GLUE DOWN: We recommend Titebond Wood Glue, as it is a tried and true product for installing moldings and trim. Liquid Nails Construction Adhesive is another product that can be used for gluing these pieces to flooring and/or walls. When installing moldings on LVP floors, be sure to use an adhesive that specifies it will bond to PVC/plastic or vinyl surfaces. Most adhesives will not bond to either the vinyl or the PVC, so ideally you want something that will bond to most surfaces like this product.

    Molding/Trim Installation - NAIL DOWN: This method is most often used for trim pieces like quarter round or shoe molding. To nail down your moldings, we recommend using a 23-gage micro pin nailer, which can be rented at most local big-box stores. 

    REMEMBER: For moldings that click into place (into click-lock floors), there is no glue required as the moldings simply click into the flooring planks. 

     

    For legal businesses that qualify as a trade account (must be in the building trades), or you plan to order more than $10,000 cumulatively in building materials in the future on multiple projects, we encourage you to apply for a trade account on our B2B page. Our wholesale discounts vary depending on sales volume and can range from 5% to 35% off our retail prices.  We also offer container level pricing for large projects at extremely competitive prices, and can manufacture a large array of products not featured on our website such as custom thicknesses, lengths, widths, colors and surface treatments (minimum order quantities apply).

    Our industry-leading Accuseal Ultra® Finish System is so tough, we apply it to all of our floors and moldings, and it is backed up by an unbeatable lifetime warranty. This finish is a UV-cured acrylic urethane with aluminum oxide added in for additional durability; it is a proprietary process that endures scratches and abrasion better than almost any other floor on the market. These floors can last for decades without wearing through and needing to be being refinished (loss of luster may occur as with all floors in very high traffic areas and does not qualify as wear through). 

    Please note that it is always recommended to use Scotch Delicate Surfaces tape on wood floors and moldings, as other types of tape can peel away even the toughest hardwood floor finish!

    We use the same Accuseal Ultra Finish on our moldings as on our floors, however, due to the rounded nature of some moldings, the finish is sprayed on instead of layered on in a finishing line.

    Overlap moldings can be used in almost any installation situation; The only difference between overlap moldings and standard moldings is that part of the overlap molding sits atop the flooring surface, which creates a small ridge. 

    Overlap moldings

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