--- product_id: 607340577 title: "M-D Building Products 43339 Vinyl Cinch® U-Shape Slide-On Under Door Seal, Easy-to-Install, Energy-Saving, Weatherproof Seal for Doors, Effective Draft Blocker, Ideal for Home (36 Inch, Black)" brand: "m-d building products" price: "฿554" currency: THB in_stock: false url: https://www.desertcart.co.th/products/607340577-m-d-building-products-43339-vinyl-cinch-u-shape-slide store_origin: TH region: Thailand --- # Cuts energy loss by sealing gaps Reduces noise infiltration Blocks drafts & moisture M-D Building Products 43339 Vinyl Cinch® U-Shape Slide-On Under Door Seal, Easy-to-Install, Energy-Saving, Weatherproof Seal for Doors, Effective Draft Blocker, Ideal for Home (36 Inch, Black) **Brand:** m-d building products **Price:** ฿554 **Availability:** ❌ Out of Stock ## Summary > 🚪 Seal the deal on comfort, savings, and peace—before your neighbors do! ## Quick Answers - **What is this?** M-D Building Products 43339 Vinyl Cinch® U-Shape Slide-On Under Door Seal, Easy-to-Install, Energy-Saving, Weatherproof Seal for Doors, Effective Draft Blocker, Ideal for Home (36 Inch, Black) by m-d building products - **How much does it cost?** ฿554 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/607340577-m-d-building-products-43339-vinyl-cinch-u-shape-slide) ## Best For - m-d building products enthusiasts ## Why This Product - Trusted m-d building products brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Energy-Saving Seal:** Keeps heated or cooled air inside, slashing your utility bills and carbon footprint. - • **Custom Fit Precision:** Easily cut to size for a seamless, tight seal on any standard door. - • **All-Weather Durability:** Robust vinyl construction stands strong against rain, dust, and daily wear. - • **Noise-Blocking Barrier:** Creates a quiet sanctuary by minimizing disruptive outdoor sounds. - • **Effortless Slide-On Installation:** No tools needed—DIY-friendly and quick to fit for instant comfort. ## Overview The M-D Building Products 43339 Vinyl Cinch® U-Shape Slide-On Under Door Seal is a durable, easy-to-install vinyl draft blocker designed to fit standard doors. It effectively seals gaps to prevent drafts, moisture, dust, and noise, enhancing home insulation and energy efficiency. This 36-inch black seal reduces heating and cooling costs while providing long-lasting weatherproof protection. ## Description The M-D Vinyl U-Shape CINCH® Slide-On Under Door Seal features vinyl fins for protection from drafts, moisture, dust and insects. Save on energy by sealing the bottom of the door and keeping the heat or air conditioning from escaping. CINCH® products are easy to install since they do not require hardware and simply slide on to the door. A compression fit secures the Under Door Seal to the bottom of the door. Before installation, cut to desired length using a hacksaw. ## Features - Superior Weatherproofing: Enhance your home's insulation with the Vinyl Cinch U-Shape Slide-On Under Door Seal. This innovative design effectively blocks drafts and dust, maintaining a comfortable indoor temperature year-round. Made from high-quality vinyl, it ensures a tight seal under your door, reducing energy consumption and lowering heating and cooling costs. - Durable & Long-Lasting: Crafted from robust vinyl material, the under door seal is designed to withstand daily wear and tear. Its durable construction ensures long-term performance, making it a reliable solution for door sealing needs. Regardless of varying weather conditions, this under door seal remains intact and effective, providing consistent protection and maintaining its integrity over time. - Easy Installation: The slide-on U-shape design allows for quick and simple attachment to the bottom of your door, without the need for special tools or professional assistance. This user-friendly feature makes it an excellent choice for DIY enthusiasts and homeowners looking to improve their home's efficiency. The seal fits snugly onto standard doors, ensuring a secure and seamless fit that enhances its performance. - Noise Reduction: The under door seal not only protects against drafts but also acts as an effective noise blocker. This feature is particularly beneficial for homes and offices located in busy areas, where reducing noise levels can significantly enhance comfort and productivity. By creating a sound barrier at the bottom of your door, this seal helps to minimize the intrusion of unwanted noise, ensuring a quieter and more serene indoor environment. - Energy Efficiency: Improve your home's energy efficiency with the M-D Building Products Cinch Under Door Seal. By effectively sealing gaps under doors, it prevents the loss of heated or cooled air, allowing your HVAC system to operate more efficiently. This results in lower energy bills and a reduced carbon footprint, contributing to a more sustainable and cost-effective living environment. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CQMVHGMT | | Best Sellers Rank | 283,829 in DIY & Tools ( See Top 100 in DIY & Tools ) 2,486 in Draught Excluders & Seals | | Brand | M-D Building Products | | Colour | Black | | Customer Reviews | 4.2 4.2 out of 5 stars (4,508) | | Global Trade Identification Number | 00043374433395 | | Included Components | 1 ea Door Seal | | Item Dimensions L x W | 91.4L x 91.4W centimetres | | Item Thickness | 1.75 Inches | | Item Type Name | Under Door Seal | | Item Weight | 293 g | | Manufacturer | M-D Building Products | | Material | Vinyl | | Model Number | MD Building - 43339 | | Number of Items | 1 | | Part Number | 43339 | | Recommended Uses For Product | Door | | UPC | 043374433395 | | Unit Count | 1.0 count | ## Product Details - **Brand:** M-D Building Products - **Colour:** Black - **Item thickness:** 1.75 Inches - **Material:** Vinyl - **Product dimensions:** 91.4L x 91.4W centimetres ## Images ![M-D Building Products 43339 Vinyl Cinch® U-Shape Slide-On Under Door Seal, Easy-to-Install, Energy-Saving, Weatherproof Seal for Doors, Effective Draft Blocker, Ideal for Home (36 Inch, Black) - Image 1](https://m.media-amazon.com/images/I/61OE8uT0AfL.jpg) ![M-D Building Products 43339 Vinyl Cinch® U-Shape Slide-On Under Door Seal, Easy-to-Install, Energy-Saving, Weatherproof Seal for Doors, Effective Draft Blocker, Ideal for Home (36 Inch, Black) - Image 2](https://m.media-amazon.com/images/I/71bQuYKrKFL.jpg) ![M-D Building Products 43339 Vinyl Cinch® U-Shape Slide-On Under Door Seal, Easy-to-Install, Energy-Saving, Weatherproof Seal for Doors, Effective Draft Blocker, Ideal for Home (36 Inch, Black) - Image 3](https://m.media-amazon.com/images/I/81QjvszegfL.jpg) ![M-D Building Products 43339 Vinyl Cinch® U-Shape Slide-On Under Door Seal, Easy-to-Install, Energy-Saving, Weatherproof Seal for Doors, Effective Draft Blocker, Ideal for Home (36 Inch, Black) - Image 4](https://m.media-amazon.com/images/I/81uHPynon5L.jpg) ![M-D Building Products 43339 Vinyl Cinch® U-Shape Slide-On Under Door Seal, Easy-to-Install, Energy-Saving, Weatherproof Seal for Doors, Effective Draft Blocker, Ideal for Home (36 Inch, Black) - Image 5](https://m.media-amazon.com/images/I/714VJRZXtML.jpg) ## Available Options This product comes in different **Color** options. ## Frequently Bought Together - M-D Building Products 43339 Vinyl CINCH® U-Shape Slide-On Under Door Seal, Easy-to-Install, Energy-Saving, Weatherproof Seal for Doors, Effective Draft Blocker, Ideal for Home (36 Inch, Black) - Vellure® Door Draft Stopper for Bottom of Door - Premium Door Sweep for Bottom of Door/Weather Stripping Door Seal (Save Energy – installs Quickly and Easily) Door Strip - VITAM AMO Weather Stripping Seal Strip for Doors/Windows 18 Feet, Self-Adhesive Backing Seals Large Gap (from 5/16 inch to 15/32 inch), Easy Cut to Size --- ## 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.co.th/products/607340577-m-d-building-products-43339-vinyl-cinch-u-shape-slide](https://www.desertcart.co.th/products/607340577-m-d-building-products-43339-vinyl-cinch-u-shape-slide) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-06-08*