TimberStrand® laminated strand lumber (LSL) is an engineered lumber that is consistently straight and true — characteristics that combine to create superior rim board material. TimberStrand Rim Board is dimensionally stable and excels at transferring vertical and lateral loads to the foundation.

What is rim board used for?

A rim board is a structural element installed around the perimeter of floor framing that closes the ends of joists and performs the tasks of transferring vertical and horizontal loads to structural wall components below.

What is OSB rim?

Product Overview. Versa-Rim, Versa-Strand and Boise Cascade OSB rim boards are one-step rim boards designed specifically for the Simple Framing System. These rim boards come in depths that match BCI Joists and long lengths. Construction time is reduced.

What is a LSL Beam?

LSL is used primarily as structural framing for residential, commercial and industrial construction. It is suitable for headers and beams, tall wall studs, rim board, sill plates, millwork and window framing. LSL also offers good fastener-holding strength. It can also be left exposed as a design feature.

Is OSB rim board structural?

In addition to filling the void, rim board is an integral structural component that transfers both lateral and vertical forces. To function properly, rim board must match the depth of framing members.

What is RIM wood?

RIM is an easy to install, high-performance noise control system. The rolls of RIM use acoustic batting to prespace isolation pads which forms an airspace—an essential component for noise control.

Do I need rim board?

Rim board: An essential part of an engineered wood floor system. … Thanks to its connections to the floor membrane, sill plate, and joists, it transfers vertical and lateral loads. This way, it helps the floor system act as a unit.

What is stronger LSL or LVL?

Because of their laminated structures, LVL and LSL have higher bending strength and stiffness than the equivalent solid timber section of the same species. This section contains the following resource: Laminated Veneer Lumber/Laminated Strand Lumber.

Is LSL lumber waterproof?

The LSL lumber is designed for weather resistance and pre-dried.

How is LSL made?

Similar to PSL, laminated strand lumber is made from flaked wood strands that have a length-to-thickness ratio of approximately 150. Combined with an adhesive, the strands are oriented and formed into a large mat or billet and pressed. LSL is used in a variety of applications from studs to millwork components.

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What lengths do rim board come in?

Common Sizes 1″, 1-1/8″ thick; depths to match I-joists (9-1/2″ to 24″); lengths up to 24′ for some products.

How long is a rim board?

The standard sizes for rim board products certified by APA is 25 to 32 mm (1 to 1-1/4 inches) in thickness, 241 to 610 mm (9-1/2 to 24 inches) in depth, and 2.4 to 7.3 m (8 to 24 feet) in length.

What is the difference between LSL and LVL?

LSL is typically less expensive than other engineered wood beams. Due to its high allowable shear strength, LSL beams have the capacity for larger penetrations than other engineered wood beam options. … Laminated Veneer Lumber (LVL) is a commonly available engineered product that is manufactured similarly to PSL.

Is rim joist necessary?

Yes, if your framing a house or a deck you’ll need a rim joist. They create the edge of your floor framing and close off the open edges. For example, if your framing a 10×10 deck off the back of your house, you’ll probably be using 2×8 or 2×10 joists spaced 16 inches on center.

What are rim joists made of?

The conventional material for joists and rim joists is solid framing lumber, either 2 x 10s or 2 x 12s. There are also joists made with “engineered” wood products, such as OSB (oriented strandboard) or laminated wood.

What is a RIM board on a house?

The rim joist is the main support that holds the majority of the weight from the walls and headers that are built above them. The rim joist is basically the outer edge of the joists and effectively completes the box or rectangle that is the floor or ceiling framing.

Where is the rim joist located?

Rim joists are located at the top of your basement walls. They usually look like wooden squares going around the perimeter of your basement. The main purpose of a rim joist is to support the weight of the floor resting on the joists.

What is RIM track?

TradeReady® rim track is another major component of the TradeReady® steel floor system. … Rims have preformed tabs at 12″, 16″, 19.2″ or 24″ intervals. Eliminates or drastically reduces support clips, joist hangers and web stiffeners. Standard 12′ lengths. Sizes include 7-1/4″, 8″, 9-1/4″, 10″, 11-1/4″, 12″ and 14″.

What does LSL look like?

LSL resembles oriented strand board (OSB) in appearance as they are both fabricated from the similar wood species and contain flaked wood strands, however, unlike OSB, the strands in LSL are arranged parallel to the longitudinal axis of the member.

Who makes LSL?

Tolko’s line of LSL includes T-TEC LSL and Tolko LSL Industrials. Each product is designed to meet evolving design requirements and the demanding expectations of builders and manufacturers.

Who makes LSL lumber?

TimberStrand® LSL :: Weyerhaeuser.

Is LSL stronger than wood?

What Is Laminated Strand Lumber (LSL)? LSL is suitable for a wide variety of residential construction applications. Its greater strength properties outperform traditional lumber when used as: headers and beams, wall stud applications, roof beams and rafters, truss chords, rim board, and stair stringers.

Is LSL stronger than dimensional lumber?

In short, LSL and other engineered studs are a one-to-one replacement for standard 2-by studs, so it’s business as usual. … Laminated veneer lumber (LVL) studs can be two times stronger in compression and tension than standard framing lumber of the same dimension.

Is glulam the same as LVL?

Here, glulam is commonly used for beams in both structural and decorative applications. It has been likened to laminated veneer lumber (LVL) as they are both similar in strength, although glulam offers wider design possibilities because of its aesthetics and a higher level of finish quality.

What is LSL material?

LSL is the acronym for laminated strand lumber. … LSL is incomparable in terms of framing and floor support because, in many instances, LSL outperforms traditional lumber. Laminated strand lumber is a composite lumber, meaning it is an engineered wood product with a consistent density across all applications.

What wood is LSL made from?

Laminated strand lumber (LSL) is an engineered wood product that is gaining widespread use. It has high strength, high stiffness and dimensional stability. LSL is commonly manufactured using fibre from poplar trees, including aspens and balsam poplars.

What is the strongest engineered wood beam?

Power Beam® – 3000Fb – 2.1E – 300F Power Beam® is the strongest engineered wood product (EWP) on the market with design values of 3000Fb – 2.1E – 300Fv.

How thick should rim joist be?

In cold, humid, or mixed climates, the foam board thickness needs to be 2″ thick to stop the condensation in the rim joist area. If the foam board is properly sealed, additional fiberglass insulation can be added to obtain a higher r-value.

Do I need a double rim joist deck?

It is advisable to increase the rigidity and strength of your deck’s rim or perimeter in order to reduce bounce and provide a solid foundation for your rail system. This can be accomplished in a couple of ways. You may want to install double rim joists across long sections to respond to the flexibility of the material.

What is a band board?

Band boards are treated boards placed on the outside of your home behind your home’s exterior covering that cover the seam where your foundation and sill plate meet. Because band boards come in contact with the sill plate, the foundation and the outdoors, they are especially vulnerable to wood rot.

How far can you span a 2x12 for a deck?

Joist Spacing (o.c.)24″Douglas Fir-Larch, Hem-Fir, Spruce-Pine-Fir2x1011′-1″2×1212′-10″Redwood, Western Cedars, Ponderosa Pine, Red Pine2x66′-10″2×88′-8″