Jan 14, 2025 · The backer rod sizes chart below gives the appropriate backer rod sizes for various building joint widths. This table draws on the published material data sheets from several …

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.

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.

Backer Rods for Durable Sealing Results Prepare joints and gaps with backer rods designed to improve sealant performance. Whether used for caulking concrete, expansion joints, or gaps around windows …

Packaging Sizes 3/8 – 1-1/8" (10 – 29 mm) are wound on reels and packaged in cartons, weighing about 15 lbs (6.8 kg) per carton. The 1-1/2 – 4" (38 – 102 mm) sizes are packaged in 6 ft (1.8 m) lengths …

Select proper rod diameter and cut to length or use directly from spool. With a blunt instrument or roller, uniformly install rod at the level recommended by the sealant manufacturer, specifier or architect …

May 25, 2025 · Find out more about foam backer rods for sealants and caulks, their function, types, shapes, sizes, characteristics, and much more!

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.

Introduction Joint backer rod sizing means choosing a rod diameter slightly larger than the joint opening and a depth that lets the sealant form the right profile; pick a rod that compresses to fill the gap and …

Select proper rod diameter and cut to length or use directly from spool. With a blunt instrument or roller, uniformly install rod at the level recommended by the sealant manufacturer, specifier or architect …