Jan 14, 2025 · Proper backer rod sizes are determined by the width of the joint and whether the backer rod is closed-cell or open-cell. The backer rod sizes chart below gives the appropriate backer rod sizes for various building joint widths.

The M-D Backer Rod provides a base for caulking to prevent caulk waste in deeper, larger gaps or joints. Backer rod can also fill gaps to protect the home against drafts, moisture, dust and insects. Can be used in both indoor and outdoor applications.

Jul 18, 2022 · Make sure to use a backer rod of an adequate size; a smaller rod which fits loosely can float during the application of the sealant. Avoid braiding or doubling up. Always follow manufacturer’s recommendations and ensure compatibility.

Generally the depth of the joint after the Backer Rod is installed is one half the width. Very large and very small joints vary in terms of this depth to width ratio.

AVAILABLE IN 1/4" UP TO 6" DIAMETER. What Size Backer Rod? Select a Backer Rod diameter that is about 30% larger than the nominal width of the joint (but not less than 10% of the largest gap). See table at the bottom of this page. Click here to download Backer Rod Submittal Form. 1/4in. Closed Cell Foam Backer Rod- 4000 LF. 3/8in.

The M-D Backer Rod provides a base for caulking to prevent caulk waste in deeper, larger gaps or joints. Backer rod can also fill gaps to protect the home against drafts, moisture, dust and insects. Can be used in both indoor and outdoor applications.

Polyethylene backer rods are backup materials for construction joints and applications requiring sealant. Our small-quantity backer rods for gaps and joints are durable and water resistant. The 1/4" backer rods are ideal for glazing installation, pre-cast units, expansion joints, and much more.

SIZING SOFT BACKER-ROD Select a backer-rod diameter that is approximately 25% larger than the width of the joint. See the yield table on the next page for both Closed-Cell and Soft Backer-Rods. Joint sealing 1. Follow suggestions for joint-sealant application as directed by sealant manufacturer. 2. Where priming of the joint is necessary, primer

Jan 9, 2012 · Foam Factory manufactures the most commonly used foam rod sizes, spooled up to 4,000 feet in a single roll for the smallest 1/4 inch diameter size. The largest, 1-1/4 inch spooled diameter is available in 400 foot rolls, with six different …

Generally the length of the joint after the Backer Rod is installed is one half the width. Very large and very small joints vary in terms of the depth to width ratio. Temp. Range 45 ̊F to 160 ̊F ASTM-‐C-‐1330 .

Oct 5, 2016 · Backer rods are small rods that are made of foam material. They are often used as a filling in joints and fissures that are found mostly on tiles as well as other crevices resulting in the construction of structures.

1/4″ diameter backer rod will fit in a 1/8″ wide movement joint. 3/8″ or even 1/2″ backer rod will fit into a 1/4″ wide movement joint. The only time I have seen the backer rod sticking up in a movement joint is when the sealant was applied less than …

View our backer rod manufacturer sizing and application chart. Featuring backer rod manufacturers like Denver Foam, Titan Foam, Mile High Foam, and more. Call DISSCO today for questions or pricing.

Apr 27, 2021 · The aim is for backer rods to be situated at a constant depth within the gap, and the depth of the concluding sealant application should be half of the joint’s width. Closed-cell backer rods have a standard practice attached to their use, which is broken down below.

Sizes: QUIKRETE® Backer Rod is packaged in 20 ft (6.1 m) lengths. Available in 1” (25 mm) and 3⁄4” (19 mm) diameter. The typical physical properties of QUIKRETE® Backer Rod are listed in Table 1. Joint or opening must be clean, dry and free …

May 9, 2018 · Backer rods are important to prevent 3-point bonding at the crack in the back of a joint. Also, they control the amount of caulking that a joint requires. For expansion joints the backer rod should be just large enough to fit snugly into …

1/2 width D-Shaped Backer Rod (= 1/2 size of the above yellow rod, Half-Rod) in yellow open foam material. Ideal for log-homes and tight-fitting, very shallow or V-shaped joints. Click links below to get cost, detailed information and to order products.

LAMBCO® BACKER ROD is available in a number or sizes ranging between 1/4” (0.635-cm) and 4” (10.16-cm) with respective container sizes based on diameter as per the below accompanying chart.

Alcot Plastics Backer Rod is a round, black, resilient, extruded closed cell polyethylene backer rod with a water resistant outer skin. It is compatible with most known cold applied sealants such as urethane, silicone, acrylic, butyl, polysulfides, latex, and chinking sealants. Specific Uses Include: •Expansion joints •Highway joints •Glazing

LAMBCO® BACKER ROD is available in a number or sizes ranging between 1/4” (0.635-cm) and 4” (10.16-cm) with respective container sizes based on diameter as per the below accompanying chart. Contact your territory Lambert Corporation Manufacturer’s Representative to discuss further if you have any questions.