Sika Backer Rod 3/4"

Q: If the concrete slabs are 1 inch apart, will this work? I could not find any 1" being sold... Should the rope seal be the same width or smaller width?

You want to fit the gap. If the backer rod was too small I put in two rods of different sizes to fill the gap. Took some work to make it fit ok and look ok but once I put in the self leveling chalking it looked good. If there is a gap around the rods the chalk will seep down between. Not good. Could use a different chalk type but I liked the look of the self leveling after it dried.

Q: Will this work between the tub and tile in the bathroom?

Hello. Sika Backer Rod can be used in this application if the sealant installation to follow calls for a closed-cell backer rod. Thank you for considering Sika!

Q: Can this be used to seal between facia boards and brick wall to keep bats out?

We used this to fill big cracks in our driveway and then used concrete sealer over that. I suppose you can use it for your purpose.

4.6/5

Product ID: 171111300

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Details

Colour
Dark Gray
Brand
Sika
Item form
Paste
Number of items
1
Manufacturer
Sika USA

💧Water-resistant, no absorption

🔥High temperature tolerance

🧩3/4" diameter for perfect crack filling

Frequently Bought Together

Sika - Polyethylene Foam - Closed Cell Backer Rod (Gray) - to Fill Joints and Cracks Before applying sealant - Water-Resistant, Flexible - 3/4" Diameter x 20' ft. Long

Sikaflex Self Leveling Sealant, Gray, polyurethane with an accelerated curing capacity for sealing horizontal expansion joints in concrete, 10.1 fl. oz Cartridge

Sikaflex Concrete Fix, Limestone, Elastic sealant sealing cracks and joints, paintable polyurethane , 10.1 fl. Oz

Description

🛠️ Seal smarter, not harder—back your cracks with Sika!

THERMAL RESILIENCE - Withstands temperature fluctuations without losing form.
PRO GRADE CRACK PREP - Perfectly fills deep cracks, optimizing sealant adhesion.
ULTIMATE FLEXIBILITY - Highly flexible and compressible to adapt to any crack shape.
EFFORTLESS APPLICATION - Apply with ease and speed—no hassle, no mess.
WATERPROOF PERFORMANCE - Won't absorb water, ensuring long-lasting seal integrity.

Sika Backer Rod 3/4" is a lightweight, dark gray foam rod designed for professional and amateur use. It offers superior flexibility and compressibility to fill deep cracks before sealant application, resists water absorption, and endures temperature changes, ensuring durable and efficient sealing.

Specifications

Manufacturer	Sika USA
Part Number	108130
Product Dimensions	609.6 x 1.91 x 1.91 cm; 41 g
Item model number	108130
Colour	Dark Gray
Item Package Quantity	1
Usage	Amateur, Professional
Included Components	Backer Rod
Batteries included?	No
Batteries Required?	No
Item Weight	41 g

Have a Question? See What Others Asked

If the concrete slabs are 1 inch apart, will this work? I could not find any 1" being sold... Should the rope seal be the same width or smaller width?

Where is this product manufactured?

Will this work between the tub and tile in the bathroom?

Can this be used to seal between facia boards and brick wall to keep bats out?

Common Questions

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The product quality is outstanding. Exactly what I needed for my work.

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