--- product_id: 606423033 title: "PU Joint Filler" price: "NZ$30" currency: NZD in_stock: true reviews_count: 8 url: https://www.desertcart.nz/products/606423033-pu-joint-filler store_origin: NZ region: New Zealand --- # High expansion rate fills gaps up to 3 inches Superior thermal & noise insulation Durable, flexible seal withstands building movement PU Joint Filler **Price:** NZ$30 **Availability:** ✅ In Stock ## Summary > 🛠️ Seal smart, live smarter — don’t let gaps steal your comfort! ## Quick Answers - **What is this?** PU Joint Filler - **How much does it cost?** NZ$30 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/606423033-pu-joint-filler) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** High-density polyurethane foam creates a resilient, flexible seal that adapts to structural shifts without cracking. - • **Fill Big, Seal Fast:** Expands rapidly to fill and insulate large gaps up to 3 inches—no more drafts or pests sneaking in. - • **Eco-Conscious Choice:** HFC-free formula that’s better for the planet without compromising performance. - • **Effortless Application:** Single-component spray with easy trigger control and quick curing—shake, spray, done. - • **Energy-Smart Insulation:** Keeps your space cozy and quiet by blocking cold air and dampening noise—perfect for modern living. ## Overview SikaBoom AP is a premium single-component polyurethane expanding foam spray designed for fast, high-expansion filling and sealing of gaps up to 3 inches. Its durable, flexible, and thermally insulating properties make it ideal for window joints, doorframes, ducts, and more. The 250 ml light yellow can offers easy application with quick curing and is HFC-free, aligning with eco-friendly standards. ## Description From the manufacturer HOW TO APPLY? Clean and moisten the surface to obtain maximum adhesion and expansion. Shake the can vigorously at least 20 times. Fix the nozzle and extrude the foam by pressing more or less hard on the trigger. Cured foam easy to cut for finishing. Review: Best and easy to use - This product is just worth it to fill gaps n holes in walls , instantly dries preventing any mosquito or lizards entry. Super easy to use ,foam is very good quality . Review: Its good, but use with caution. - Its nice, does it's job well. But detailed instructions on usage not written, especially not to touch the foam with bare hands, in case of any adjustments. I am cleaning hands since 4 hours now, with different chemicals lol. It expands after application, so use carefully. There is some close date written below the can, if that's expiry date, it seems quite near. ## Features - HIGH EXPANSION RATE – SikaBoom AP expandable foam provides effective filling, sealing and insulation to gaps and cracks up to three inches in size - IMPROVED DURABILITY – Use this fixing foam to fill and insulate window connection joints and gaps in doorframes, AC duct and vents, roller blind housings and pipe entry points - FLEXIBLE – Multi-positioning polyurethane foam is high density to provide a strong seal, withstanding building and material movement - SUPERIOR INSULATION – Being a PU foam spray, it thermally insulates, keeps out the cold and draughts, and dampens noise - CHOOSE YOUR SIZE – Cans come in 250 ml, 500 ml and 750 ml quantities of light yellow foam ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B0CRL3TH78 | | Best Sellers Rank | #25 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #2 in Single-component Expanding Foam | | Brand | SIKA | | Colour | Light yellow | | Country Of Origin | Germany | | Customer Reviews | 3.9 3.9 out of 5 stars (2,677) 3.9 out of 5 stars | | Date First Available | 5 January 2024 | | Generic Name | Expansing foam | | Importer | Sika India Private Ltd. Plot No D 101/2, MIDC Industrial Area, Shiravane,, Nerul, 400706 Navi Mumbai, India, Contact: +91-22-6270-4038 | | Included Components | 1 aerosol | | Item Dimensions Lxwxh | 6 x 6 x 20 Centimeters | | Item Height | 20 Centimeters | | Item Model Number | 73836 | | Item Weight | 280 g | | Item Width | 6 Centimeters | | Manufacturer | Sika, Sika India Private Ltd. Plot No D 101/2, MIDC Industrial Area, Shiravane,, Nerul, 400706 Navi Mumbai, India, Contact: +91-22-6270-4038 | | Model Number | 73836 | | Net Quantity | 250 Milliliters | | Number Of Memory Sticks | 1 | | Packer | Sika India Private Ltd. Plot No D 101/2, MIDC Industrial Area, Shiravane,, Nerul, 400706 Navi Mumbai, India, Contact: +91-22-6270-4038 | | Product Dimensions | 6 x 6 x 20 cm; 280 g | ## Images ![PU Joint Filler - Image 1](https://m.media-amazon.com/images/I/51skhTpKifL.jpg) ![PU Joint Filler - Image 2](https://m.media-amazon.com/images/I/61NGTxeBQSL.jpg) ![PU Joint Filler - Image 3](https://m.media-amazon.com/images/I/718dj8ClYsL.jpg) ![PU Joint Filler - Image 4](https://m.media-amazon.com/images/I/71k80mAjPEL.jpg) ![PU Joint Filler - Image 5](https://m.media-amazon.com/images/I/61mquFHjO2L.jpg) ## Available Options This product comes in different **Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Best and easy to use *by M***A on 18 June 2026* This product is just worth it to fill gaps n holes in walls , instantly dries preventing any mosquito or lizards entry. Super easy to use ,foam is very good quality . ### ⭐⭐⭐⭐ Its good, but use with caution. *by Y***S on 5 April 2026* Its nice, does it's job well. But detailed instructions on usage not written, especially not to touch the foam with bare hands, in case of any adjustments. I am cleaning hands since 4 hours now, with different chemicals lol. It expands after application, so use carefully. There is some close date written below the can, if that's expiry date, it seems quite near. ### ⭐⭐⭐⭐⭐ Good product *by N***S on 11 May 2026* Did the job well. Expanded into an off white foam and held strong after filling water ## Frequently Bought Together - SIKA – PU expanding foam spray – SikaBoom AP – Single component polyurethane foam – Fast curing – HFC-free – Easy to apply – 250 ml – Light Yellow - Dr. Fixit Kwik N Ezee Wall Gap & Crack Filler, 150gm (White), DIY Waterproofing for Home Repairs, Kitchen Sink & Wall Cracks, Bathroom Tile Gaps Sealant, Metal, Wood, PVC, Best for Wet & Damp areas - Unity Brand Tiles Gap Filler Waterproof, Gap Sealant, Grout, White Cement Paste Tube, Gap Filler for Walls and Joints, Waterproof Sealant, Tile Gap Filler Tube for Kitchen, Bathroom (180 ML.) --- ## 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.nz/products/606423033-pu-joint-filler](https://www.desertcart.nz/products/606423033-pu-joint-filler) --- *Product available on Desertcart New Zealand* *Store origin: NZ* *Last updated: 2026-07-03*