--- product_id: 449681259 title: "TDS250 250ml Thompsons Damp Seal" brand: "ronseal" price: "€ 3.16" currency: EUR in_stock: false url: https://www.desertcart.pt/products/449681259-tds250-250ml-thompsons-damp-seal store_origin: PT region: Portugal --- # Smooth finish Compact size Permanent damp block TDS250 250ml Thompsons Damp Seal **Brand:** ronseal **Price:** € 3.16 **Availability:** ❌ Out of Stock ## Summary > Seal the Deal with Damp-Free Walls! 🏡 ## Quick Answers - **What is this?** TDS250 250ml Thompsons Damp Seal by ronseal - **How much does it cost?** € 3.16 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/449681259-tds250-250ml-thompsons-damp-seal) ## Best For - ronseal enthusiasts ## Why This Product - Trusted ronseal brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Smooth & Sleek:** Achieve a flawless finish for your walls. - • **Stain-Free Living:** Permanently blocks unsightly stains. - • **Compact Convenience:** Perfectly sized for any interior project. - • **Say Goodbye to Damp:** Guaranteed to block damp permanently! - • **Versatile Application:** Easily paint or wallpaper over for a seamless look. ## Overview The TDS250 250ml Thompsons Damp Seal is a high-performance solution designed to permanently block dampness and stains on walls and ceilings. With its smooth finish, it allows for easy painting or wallpapering, making it an essential product for maintaining a pristine interior. Compact and user-friendly, this damp seal is perfect for any home improvement project. ## Description Product Description Thompsons One Coat Damp Seal is a high performance interior seal developed to form a breathable, obliterating membrane that seals and permanently stops the reappearance of damp, water and other household stains. Suitable for application to both dry and damp walls and ceilings the micro-porous formulation allows trapped moisture to evaporate to prevent paint flaking or wallpaper peeling off. Full coverage can be achieved in just one coat, ensuring the surface is prepared for decoration in as little as 4 hours.Areas of use: Interior walls and ceilings.Finish: smooth White.Application: Brush.Coverage Approx: 5 m2 covered per litre.Required number of coats Approx: 1.Drying time Approx: 2-3 hours.Protection Level: High.The Tompsons RSLTDS250 Damp seal is supplied in 250ml tin.It does what it says on the tinTheir aim at Ronseal is always to provide products that meet exactly your requirements; that is why they spend a lot of time listening to what you have to say. They then take that feedback into their R & D Laboratories, and using the very latest technological advancements, they can then deliver innovative new products and the quality service for your DIY and project needs.This is an ongoing process and, coupled with their no-nonsense advertising and marketing, and their extensive consumer education, these innovative new product developments will continue to help them lead in their product categories, meeting and exceeding your requirements in the future. Set Contains: 1 x Thompsons RSLTDS250 Damp Seal 250ml ## Features - Guaranteed to block damp permanently - Apply direct to damp walls and ceilings - Permanently blocks stains - Smooth finish - Can be painted or wallpapered over ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B001GU4BEE | | ASIN | B001GU4BEE | | Batteries Included? | No | | Batteries Required? | No | | Customer Reviews | 4.4 4.4 out of 5 stars (701) | | Customer reviews | 4.4 4.4 out of 5 stars (701) | | Date First Available | 7 August 2012 | | Date First Available | 7 August 2012 | | Finish | Smooth | | Included components | Brush | | Is Discontinued By Manufacturer | No | | Item Package Quantity | 1 | | Item Weight | 356 g | | Item model number | APT0768-APE | | Item model number | APT0768-APE | | Manufacturer | Ronseal | | Manufacturer | Ronseal | | Part number | RSLTDS250 | | Product Dimensions | 7.4 x 7.5 x 7.6 cm; 356 g | | Product Dimensions | 7.4 x 7.5 x 7.6 cm; 356 g | | Size | 250ml | | Specific uses | Interior | | Style | Compact | ## Images ![TDS250 250ml Thompsons Damp Seal - Image 1](https://m.media-amazon.com/images/I/71mCmCfWzmL.jpg) ## Frequently Bought Together - TDS250 250ml Thompsons Damp Seal - Harris Essentials Walls & Ceilings Paint Brush Set | Pack of 5 | 0.5", 1", 1.5", 2", Grey - Harris Essentials Walls & Ceilings Paint Brushes, 3 Brush Pack, 1", 1.5", 2",Grey --- ## 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/449681259-tds250-250ml-thompsons-damp-seal](https://www.desertcart.pt/products/449681259-tds250-250ml-thompsons-damp-seal) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-06-06*