--- product_id: 453500756 title: "Gap Filler Sealant Foam Insulated Backer Rod 18 mm Thickness and 15 Meter Length (Dark Grey)" brand: "tjikko" price: "$30.37" currency: USD in_stock: true reviews_count: 5 category: "Tjikko" url: https://www.desertcart.us/products/453500756-gap-filler-sealant-foam-insulated-backer-rod-18-mm-thickness store_origin: US region: United States of America --- # 15m length 200g weight 18mm thickness Gap Filler Sealant Foam Insulated Backer Rod 18 mm Thickness and 15 Meter Length (Dark Grey) **Brand:** tjikko **Price:** $30.37 **Availability:** ✅ In Stock ## Summary > 🔧 Seal it, don’t conceal it! Your gaps deserve the best. ## Quick Answers - **What is this?** Gap Filler Sealant Foam Insulated Backer Rod 18 mm Thickness and 15 Meter Length (Dark Grey) by tjikko - **How much does it cost?** $30.37 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/453500756-gap-filler-sealant-foam-insulated-backer-rod-18-mm-thickness) ## Best For - tjikko enthusiasts ## Why This Product - Trusted tjikko brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Easy to Use:** Lightweight and manageable at just 200g for hassle-free application. - • **Seal the Deal:** Tuck in the gap filler to secure your sofa cover effortlessly. - • **Durable Design:** Handles contraction and expansion in concrete highways and runways. - • **Maximize Efficiency:** Reduce caulk consumption by controlling sealant depth. - • **Versatile Applications:** Perfect for glazing installations, windows, doors, and more. ## Overview The Tjikko Gap Filler Sealant Foam Insulated Backer Rod is a high-quality, dark grey foam designed to fill gaps effectively. With an impressive 18mm thickness and a generous 15-meter length, this product is perfect for various applications, including window and door installations, as well as concrete expansion joints. Weighing only 200g, it’s easy to handle and ensures efficient use of sealant. ## Description Backer Rod’s four main benefits: 1.Increase elasticity in the joint sealant. 2.Reduce caulk consumption by controlling sealant depth— this prevents excessive use of caulking or sealant. 3.Force adhesive into contact with the sides of the joint creating an hour-glass shape for a superior bond. 4.Create a “bond-breaker” which allows the joint to be easily cleaned out and refilled as needed over time. Tjikko Backer Rod is an ideal non-absorbent compressible backup material. It is inserted into a joint to control sealant depth to create a backstop to: Allow proper sealant tooling Allow proper sealant wetting of the joint surfaces And yield a proper bond breaker between the Backer Rod and sealant It can also be used as a temporary seal. Tjikko Backer Rod is compatible with butyl, polysulfide, acrylic polyurethane, silicone and most other cold applied sealant compositions. Commonly used in glazing installations, window and door applications, expansion joints, curtain wall joints, partitions, log construction, pavement joints, repairs, precast units and copings. It uses in expansion/construction joints in concrete and precast concrete walls, floors, partitions, bridge construction, parking decks, curtain walls, glazing, log home construction, highway construction, and pavement maintenance. Tjikko Backer Rod is an extruded round, closed cell, low density polyethylene foam material with a skin-like outer texture. It is highly flexible and compressible for easy installation. Available in stock grey and several other colors on a custom basis Tjikko Backer Rod is chemically inert and will resist oil, gasoline and most other solvents. This material will not stain nor adhere to sealant materials and is non-exuding. INSTALLATION Joint or opening must be clean, dry and free of obstructions. 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 mfd. Review: 12mm diameter - Foam Rope of 12mm diameter Review: Worth it - Flexible n very good quality ## Features - Tuck in the gap filler to hold the sofa cover tight in place - Increase elasticity in the joint sealant. - Reduce caulk consumption by controlling sealant depth, Force adhesive into contact with the sides of the joint. - Glazing installations, Window and door applications, Expansion joints, Curtain wall joints, Irregular joint applications - Contraction and expansion joints of concrete highways, Runways, Driveways, Parking Lots, Bridge construction ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | TJIKKO | | Manufacturer | Tjikko Private Limited | | Country of Origin | India | | Model number | BCKRD1815B | | Colour | Dark Grey | | Number of Memory Sticks | 1 | | Item Weight | 200 g | | Product Dimensions | 20 x 20 x 6 cm; 200 g | | Item model number | BCKRD1815B | | Item Height | 6 Centimeters | | Item Width | 20 Centimeters | | Included Components | Backer Rod | ## Images ![Gap Filler Sealant Foam Insulated Backer Rod 18 mm Thickness and 15 Meter Length (Dark Grey) - Image 1](https://m.media-amazon.com/images/I/41wJdjI+-zL.jpg) ## Customer Reviews ### ⭐⭐⭐ 12mm diameter *by N***L on 23 December 2024* Foam Rope of 12mm diameter ### ⭐⭐⭐⭐ Worth it *by G***R on 25 December 2023* Flexible n very good quality ### ⭐ Bad quality *by A***R on 17 September 2024* Bad quality ## Frequently Bought Together - Tjikko Gap Filler Sealant Foam Insulated Backer Rod 18 mm Thickness and 15 Meter Length (Dark Grey) - Tjikko Gap Filler Sealant Foam Insulated Backer Rod 20 mm Thickness and 15 Meter Length (White) - Loctite Tite Foam PU sealant(White), Expanding Foam for large gaps filling, keeps dust and pests aways, DIY dries fast, waterproof no shrinkage easy application doors PVC pipe bathroom, AC ducts 340g --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/453500756-gap-filler-sealant-foam-insulated-backer-rod-18-mm-thickness](https://www.desertcart.us/products/453500756-gap-filler-sealant-foam-insulated-backer-rod-18-mm-thickness) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-09-13*