--- product_id: 595825437 title: "Pro-Grade Composite Shims for Heavy Duty Leveling. 12 pk 7.75 Inch, Never Rot, Easy Snap, Level Wedges. Water, Weather Resistant for Toilets, Doors, Windows, Sheds. Support Appliances and Furniture" brand: "phyxology supply" price: "€ 26.73" currency: EUR in_stock: true reviews_count: 13 category: "Phyxology Supply" url: https://www.desertcart.pt/products/595825437-pro-grade-composite-shims-for-heavy-duty-leveling-12-pk store_origin: PT region: Portugal --- # 16,000 lbs load capacity Pre-scored easy snap design Water & weather resistant Pro-Grade Composite Shims for Heavy Duty Leveling. 12 pk 7.75 Inch, Never Rot, Easy Snap, Level Wedges. Water, Weather Resistant for Toilets, Doors, Windows, Sheds. Support Appliances and Furniture **Brand:** phyxology supply **Price:** € 26.73 **Availability:** ✅ In Stock ## Summary > 🔧 Level Up Your Projects with Pro-Grade Precision! ## Quick Answers - **What is this?** Pro-Grade Composite Shims for Heavy Duty Leveling. 12 pk 7.75 Inch, Never Rot, Easy Snap, Level Wedges. Water, Weather Resistant for Toilets, Doors, Windows, Sheds. Support Appliances and Furniture by phyxology supply - **How much does it cost?** € 26.73 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/595825437-pro-grade-composite-shims-for-heavy-duty-leveling-12-pk) ## Best For - phyxology supply enthusiasts ## Why This Product - Trusted phyxology supply brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Heavy-Duty Strength:** Supports up to 16,000 lbs for the toughest leveling jobs - • **Snap & Go Precision:** Pre-scored lines let you customize size quickly without tools - • **Versatile Multi-Use:** Perfect for doors, windows, appliances, furniture, decks, and more - • **Weatherproof Reliability:** Never rot, warp, or swell—built to withstand rain, snow, and sun - • **Lifetime Satisfaction Guarantee:** Invest with confidence backed by a no-nonsense money-back promise ## Overview Pro-Grade Composite Shims are 7.75-inch, ultra-durable plastic wedges made from 100% recycled materials, engineered to support up to 16,000 lbs. Designed for indoor and outdoor use, they resist water, weather, and insects, ensuring no rot or warping. Featuring easy-to-break pre-scored lines, these shims snap cleanly for fast, precise leveling of doors, windows, furniture, and more. Backed by a lifetime satisfaction guarantee, they’re the smart, sustainable choice for professionals and DIYers alike. ## Description Introducing the ultimate solution for all your leveling needs - our heavy-duty, weather-resistant, and easy-to-use composite shims. Proudly made in the USA and crafted from 100% recycled materials, these shims are perfect for both indoor and outdoor applications. Say goodbye to rotting wooden shims and hello to the perfect home improvement companion!Extreme weight capacity: Our composite shims hold an impressive 16,000 pounds of pressure, making them ideal for heavy-duty applications such as doors, windows, and sheds. You can trust these shims to provide reliable support and stability.Weather and insect resistance: These shims will not rot, swell, or warp even in harsh outdoor conditions - much more durable than wood shims. Designed to stand the test of time even in the harshest climates, covered in dirt and left outside!Easy-to-break pre-scored lines: Each order comes with twelve (12) composite shims, 7.75 inches long with easy snap pre-scored lines. No cutting or trimming needed - easily snap to desired size. Perfect for leveling doors, windows, plumbing fixtures, cabinets, playhouses, sheds, deck posts, and mailboxes.Multipurpose wedges: Use for plumbing, appliances, cabinets, countertops, doors, windows, sheds, decks, mailbox posts, table wedges for restaurants, DIY levelers for furniture, and more!Satisfaction Assured for Life! If you aren't completely satisfied, reach out through desertcart messaging and we will respond within 24 hours, even on weekends. We absolutely guarantee your satisfaction!Extreme 16,000lb weight capacity for heavy-duty applicationsWeather and insect resistant for lasting durability in harsh conditionsEasy-to-break pre-scored lines for quick and precise sizingVersatile use for doors, windows, plumbing fixtures, cabinets, sheds, and moreLifetime satisfaction guarantee for total peace of mind Review: Your Ultimate Solution for Heavy-Duty Leveling - The 7.75-inch length of these shims makes them incredibly versatile and suitable for a wide range of applications. Whether I needed to level a toilet, door, or window frame, these shims handled the task with ease. Their design allows for easy snapping and adjusting, providing precise and stable leveling for my projects. One of the standout features of these composite shims is their durability. Unlike traditional wood shims that can rot and warp over time, these shims are made of a composite material that is resistant to water and weather. I have used them both indoors and outdoors, and they have held up exceptionally well, even in challenging environmental conditions. The shims' construction ensures they won't compress under heavy loads, providing reliable support for various installations. I appreciated their consistent thickness and strength, which made them a reliable choice for heavy-duty leveling tasks. Additionally, these shims are incredibly user-friendly. The easy snap feature allows me to quickly adjust the shim size to fit my specific needs, saving time and effort during installation. The shims are also easy to trim, making them customizable for unique projects. I was also pleased to find that these shims don't splinter or leave residue, making them cleaner and safer to work with compared to traditional wood shims. Overall, I highly recommend the Pro-Grade Composite Shims for anyone in need of reliable, durable, and easy-to-use leveling tools. Their versatility, water and weather resistance, and precise leveling capabilities make them an indispensable addition to any DIY toolkit. Whether you're a professional contractor or a DIY enthusiast, these shims will undoubtedly make your leveling projects a breeze. Review: Rigid but not brittle. Consistent and easy to "snap." - Shims are rigid enough to not compress or deform under significant load or when driving into gaps as a wedge. I have hit them surprisingly hard with a hammer without even cracking a corner. They are strong and rigid but not brittle. I screwed (#8) and nailed (12D) through them with no splitting/cracking. They are manufactured cleanly- each shim consistent in composition and dimensions. They are essentially pre-scored with their "ribbed" design making them easy to snap at the right length/thickness. If you can get a clean shot with a hammer to snap them or don't have strong hands, they cut easily with snips, diagonals, or a knife. Deal Guys got them to me quickly, in perfect condition and at a great price. I cannot yet attest to the "never-rot" claims, but based on what I see/feel in manufacturing quality and design, I am confident they will perform inside and out reliably. ## Features - SUPER STRONG & DURABLE COMPOSITE SHIMS: Our plastic wedge shims, made from 100% high-quality recycled materials, boast 30% more load support and pressure capacity than wooden shims. These stackable shims are perfect for all your leveling, repairs, and home improvement projects, ensuring superior durability and strength. - INDOOR/OUTDOOR MULTI-USE WEDGES: Our 7.75-inch composite shims cater to a variety of indoor and outdoor projects. Use these Heavy Duty Shims for leveling, plumbing, appliances, cabinets, countertops, doors, windows, furniture, decks, spas, fountains, gazebos, and mailboxes, providing unmatched versatility. - LIFETIME MONEY-BACK, NO NONSENSE GUARANTEE: ensuring 100% satisfaction for all your leveling needs. We stand behind our durable, high-quality shims, and if you're not completely satisfied, we promise to make it right. Trust our weather-proof, never-rot shims for a lifetime of reliable use, backed by our unwavering commitment to your satisfaction. - NEVER-ROT & WEATHER PROOF SHIMS: Our Never Rot shim levelers are waterproof and decay-resistant. Unlike wooden shims, these plastic shims won't rot, warp, swell, crack, or split, enduring rain, snow, and other harsh outdoor conditions. Trust our composite shims for a lifetime of reliability. - EASY & CLEAN BREAKS: Our 7.75" plastic wedges are 4 times easier to snap than wood, with pre-scored lines ensuring clean breaks. No need for additional cutting or trimming—simply measure and snap. Save time and energy with our user-friendly design, requiring no additional tools. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C3DXCH48 | | Best Sellers Rank | #19,371 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #295 in Furniture Pads | | Brand | PHYXOLOGY SUPPLY | | Brand Name | PHYXOLOGY SUPPLY | | Color | Black | | Customer Reviews | 4.6 out of 5 stars 2,211 Reviews | | Grade Rating | Commercial | | Item Form | Sheet | | Item Shape | Rectangular | | Item Thickness | 0.26 inches | | Manufacturer | PHYXOLOGY SUPPLY | | Material | Plastic | | Model Number | Never Rot Composite Shim | | Number of Items | 12 | | Part Number | Never Rot Composite Shim | | Shape | Rectangular | | Specification Met | True | | UPC | 195759007513 | | Unit Count | 12 Count | ## Product Details - **Brand:** PHYXOLOGY SUPPLY - **Color:** Black - **Item Thickness:** 0.26 inches - **Material:** Plastic - **Shape:** Rectangular ## Images ![Pro-Grade Composite Shims for Heavy Duty Leveling. 12 pk 7.75 Inch, Never Rot, Easy Snap, Level Wedges. Water, Weather Resistant for Toilets, Doors, Windows, Sheds. Support Appliances and Furniture - Image 1](https://m.media-amazon.com/images/I/71V4Gg4yhZL.jpg) ![Pro-Grade Composite Shims for Heavy Duty Leveling. 12 pk 7.75 Inch, Never Rot, Easy Snap, Level Wedges. Water, Weather Resistant for Toilets, Doors, Windows, Sheds. Support Appliances and Furniture - Image 2](https://m.media-amazon.com/images/I/71Q2xXMd3mL.jpg) ![Pro-Grade Composite Shims for Heavy Duty Leveling. 12 pk 7.75 Inch, Never Rot, Easy Snap, Level Wedges. Water, Weather Resistant for Toilets, Doors, Windows, Sheds. Support Appliances and Furniture - Image 3](https://m.media-amazon.com/images/I/81LczlsnenL.jpg) ![Pro-Grade Composite Shims for Heavy Duty Leveling. 12 pk 7.75 Inch, Never Rot, Easy Snap, Level Wedges. Water, Weather Resistant for Toilets, Doors, Windows, Sheds. Support Appliances and Furniture - Image 4](https://m.media-amazon.com/images/I/815YEhOCjmL.jpg) ![Pro-Grade Composite Shims for Heavy Duty Leveling. 12 pk 7.75 Inch, Never Rot, Easy Snap, Level Wedges. Water, Weather Resistant for Toilets, Doors, Windows, Sheds. Support Appliances and Furniture - Image 5](https://m.media-amazon.com/images/I/81l9tvnv5EL.jpg) ## Available Options This product comes in different **Number Of Items** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Your Ultimate Solution for Heavy-Duty Leveling *by R***L on July 30, 2023* The 7.75-inch length of these shims makes them incredibly versatile and suitable for a wide range of applications. Whether I needed to level a toilet, door, or window frame, these shims handled the task with ease. Their design allows for easy snapping and adjusting, providing precise and stable leveling for my projects. One of the standout features of these composite shims is their durability. Unlike traditional wood shims that can rot and warp over time, these shims are made of a composite material that is resistant to water and weather. I have used them both indoors and outdoors, and they have held up exceptionally well, even in challenging environmental conditions. The shims' construction ensures they won't compress under heavy loads, providing reliable support for various installations. I appreciated their consistent thickness and strength, which made them a reliable choice for heavy-duty leveling tasks. Additionally, these shims are incredibly user-friendly. The easy snap feature allows me to quickly adjust the shim size to fit my specific needs, saving time and effort during installation. The shims are also easy to trim, making them customizable for unique projects. I was also pleased to find that these shims don't splinter or leave residue, making them cleaner and safer to work with compared to traditional wood shims. Overall, I highly recommend the Pro-Grade Composite Shims for anyone in need of reliable, durable, and easy-to-use leveling tools. Their versatility, water and weather resistance, and precise leveling capabilities make them an indispensable addition to any DIY toolkit. Whether you're a professional contractor or a DIY enthusiast, these shims will undoubtedly make your leveling projects a breeze. ### ⭐⭐⭐⭐⭐ Rigid but not brittle. Consistent and easy to "snap." *by R***. on October 2, 2018* Shims are rigid enough to not compress or deform under significant load or when driving into gaps as a wedge. I have hit them surprisingly hard with a hammer without even cracking a corner. They are strong and rigid but not brittle. I screwed (#8) and nailed (12D) through them with no splitting/cracking. They are manufactured cleanly- each shim consistent in composition and dimensions. They are essentially pre-scored with their "ribbed" design making them easy to snap at the right length/thickness. If you can get a clean shot with a hammer to snap them or don't have strong hands, they cut easily with snips, diagonals, or a knife. Deal Guys got them to me quickly, in perfect condition and at a great price. I cannot yet attest to the "never-rot" claims, but based on what I see/feel in manufacturing quality and design, I am confident they will perform inside and out reliably. ### ⭐⭐⭐⭐⭐ Exactly what I needed *by D***Y on April 24, 2026* Perfect product. Arrived quickly and is exactly as described. ## Frequently Bought Together - Never-Rot 7.75 Inch Composite Shims, 12 Pk. Home Improvement DIY Levelers, Extreme Weight Capacity, Weather Resistant, Easy to Break & Perfect for Doors, Windows, & Sheds. - Composite Shims (24 Pack) - Hard Composite Shims for Home Improvement - Never Rot Shims for Leveling - Restaurant Table Shims - Table Wedges - Toilet Shims - DIY Furniture Levelers - Stock Your Home - Wobble Wedges Flexible Plastic Shims, 30 Pack - MADE IN USA - Multi-Purpose Shim Wedges for Home Improvement & Work - Plastic Wedge, Table Shims for Leveling, Toilet Shims & Furniture Levelers - Clear --- ## 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.pt/products/595825437-pro-grade-composite-shims-for-heavy-duty-leveling-12-pk](https://www.desertcart.pt/products/595825437-pro-grade-composite-shims-for-heavy-duty-leveling-12-pk) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-09-19*