--- product_id: 57600427 title: "Thermahood TH140" brand: "thermahood" price: "€ 131.16" currency: EUR in_stock: true reviews_count: 9 category: "Thermahood" url: https://www.desertcart.pt/products/57600427-thermahood-th140 store_origin: PT region: Portugal --- # Airtight seal reduces air leakage Flame retardant polymer Quick & easy installation Thermahood TH140 **Brand:** thermahood **Price:** € 131.16 **Availability:** ✅ In Stock ## Summary > 💡 Seal the deal on energy efficiency with Thermahood TH140! ## Quick Answers - **What is this?** Thermahood TH140 by thermahood - **How much does it cost?** € 131.16 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/57600427-thermahood-th140) ## Best For - thermahood enthusiasts ## Why This Product - Trusted thermahood brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Durable flame retardant polymer for peace of mind. - • **Seal in Comfort:** Create a reliable airtight barrier around your downlights. - • **Install in Minutes:** No fuss, no tools—perfect for pros and DIYers alike. - • **Robust & Resilient:** Engineered to withstand insulation pressure and daily wear. - • **Maximise Energy Savings:** Cut heat loss and draughts with airtight precision. ## Overview The Thermahood TH140 Pack of 10 airtight downlight covers offers a sleek, black, square design (190x190x140mm) crafted from flame retardant polymer. Engineered to enhance insulation by preventing heat loss and air leakage, these covers are quick to install and built for durability, making them an essential upgrade for energy-conscious homes and professionals aiming to boost airtightness and reduce energy bills. ## Description Free delivery and returns on all eligible orders. Shop Thermahood - TH140 Pack of 10 - Airtight Downlight Covers for Over Recessed Lights and Downlights - Energy Efficient, Black, 190 x 190 x 140mm. Review: Excellent sturdy product - So easy to install using a non solvent type adhesive just position over lights with cabling in the correct position and draw round with a pencil apply a thin line of adhesive just inside the line and press firmly into place they seem to have cured the discolouring of the ceiling. Mine where fitted in a loft new insulation placed around them and smaller pieces placed on top to cover. Simple Review: Good quality - Arrived in a few days, are good quality, and do the job perfectly. ## Features - Insulation performance – Maximises energy efficiency by preventing heat loss, reducing draughts, and enhancing overall insulation effectiveness — delivering long-term cost savings - Airtight Seal - Designed to create a reliable, airtight barrier around downlights, minimising unwanted air leakage and improving building airtightness - Quality – Manufactured with a high-grade flame retardant polymer and a proven design, ensuring durability, reliability, and user-friendly installation - Quick & Easy Installation – Simple to fit with minimal time, tools, or expertise required, making it convenient for both professionals and self-builders - Robust Construction– Engineered for strength and resilience, offering long-lasting performance even under pressure from insulation and flooring ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0765SM948 | | Batteries Required? | No | | Batteries included? | No | | Best Sellers Rank | 5,026 in Lighting ( See Top 100 in Lighting ) 98 in Pendant Light Fixtures | | Colour | Black | | Customer Reviews | 4.6 4.6 out of 5 stars (314) | | Date First Available | 18 Jun. 2017 | | Item Package Quantity | 10 | | Item Weight | 190 g | | Item model number | TH 140 - 10 | | Manufacturer | Thermahood Ltd | | Material | Plastic | | Measurement System | Metric | | Number of Pieces | 10 | | Part Number | TH 140 - 10 | | Product Dimensions | 19 x 19 x 14 cm; 190 g | | Shape | Square | | Size | 19 x 19 x 14 | ## Images ![Thermahood TH140 - Image 1](https://m.media-amazon.com/images/I/31Xpw8sHGNL.jpg) ## Questions & Answers **Q: What is the maximum wattage bulb led can you use with this** A: It's on the packaging, I just placed them and left!( **Q: Should you have any "chocolate box" (plastic boxes protecting electrical junctions) under the Themahood too? Or are they safe under insulation?** A: Hello, Choc box should be inside Thermahood, this will allow for changing the light fitting at later stage if needs be. Please ensure all components are suitable for use and use with LED lamps. **Q: What is the maximum what is bolt can you used** A: These plastic hoods are used to keep insulation away from downlighting. No bolts are needed. **Q: Are this fire and heat retardant** A: Hello, This Thermahood product is manufactured from a high specification material that is Flame Retardant to UL94 V0 and is self extinguishing. The material and product have been tested for use over downlights in loft ceilings. A prevention of overheating test was carried out and passed. To maximise the benefit of this product use with LED lights, bulbs/lamps. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excellent sturdy product *by A***R on 15 March 2024* So easy to install using a non solvent type adhesive just position over lights with cabling in the correct position and draw round with a pencil apply a thin line of adhesive just inside the line and press firmly into place they seem to have cured the discolouring of the ceiling. Mine where fitted in a loft new insulation placed around them and smaller pieces placed on top to cover. Simple ### ⭐⭐⭐⭐⭐ Good quality *by D***O on 15 March 2025* Arrived in a few days, are good quality, and do the job perfectly. ### ⭐⭐⭐⭐ Do the job they're supposed to do. *by D***E on 7 January 2020* Expensive for what they are but there is very limited choice available out there. They are sturdy and do the job well though. Cable cut out is good and let's the good sit flat. ## Frequently Bought Together - Thermahood - TH 140-10no Pack - Covers for Downlighter Ceiling Lights and Spotlights - Aids Energy Efficiency, Pack of 10 - 10 x Felt Lap Vents Prevents Loft roof Condensation. Attic Space Ventilation - Manthorpe Felt Lap Vents Attic Roof Loft Ventilation Cures Condensation 50 Pack --- ## 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/57600427-thermahood-th140](https://www.desertcart.pt/products/57600427-thermahood-th140) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-04-27*