FX4 Highly Flexible One Coat Base 25KG

<b>FX4 Highly Flexible One Coat Base 25kg - High&#8209;Performance Flexible Base Coat Render</b><br> <br> The FX4 Highly Flexible One Coat Base 25kg is a premium, polymer&#8209;modified base coat render engineered to deliver excellent flexibility, adhesion, weather protection and breathability across multiple masonry substrates. This advanced one coat base is ideal for professional trade applications where a strong, reliable foundation is required before applying finishing renders.<br> <br> Designed using advanced polymer technology, FX4 combines the strength of a cement base with enhanced movement tolerance and adhesion. This makes it particularly suitable for use on surfaces where minor movement or vibration may occur - a common requirement in modern construction and External Wall Insulation (EWI) systems.<br> <br> <b>Key Features & Benefits</b><br> - Highly Flexible Base Coat: Advanced polymer modification provides movement tolerance and a strong bond to substrates.<br> - Excellent Adhesion: Robust bonding to concrete, brick, blockwork and other render&#8209;ready surfaces.<br> - Water&#8209;Repellent (W2): Provides reliable protection against moisture ingress while remaining breathable.<br> - High Breathability: Allows moisture vapour to escape, helping reduce the risk of trapped moisture damage.<br> - W2 Waterproofing Performance: Meets weatherproofing standards for external environments.<br> - Easy Application: Can be applied by hand or spray and finished with a sponge float or brush key&#8209;finish using modern trowel techniques.<br> - Versatile Uses: Ideal as a scratch base coat ready to receive through&#8209;coloured render or as a flat base ready for thin coat render systems.<br> <br> <b>Typical Uses</b><br> - Preparation of exterior masonry prior to finishing render application<br> - Base layer in <b><a href="https://protecrendersupplies.co.uk/buy-render-uk/?types=External+Wall+Insulation+%28EWI%29">External Wall Insulation (EWI) systems:</a></b><br> <br> <b>Rendering substrates including:</b><br> - New concrete block<br> - Smooth and rough brick<br> - Lightweight block<br> - Existing render (pinned)<br> - Insulation boards and render carrier boards<br> <br> Pack Size: 25kg waterproof bag.<br> <br> Application Tools: Stainless steel trowel, 6mm notched trowel, sponge float.<br> <br> Standards: Conforms to performance expectations for cementitious rendering mortars.<br> <br> By combining proven flexibility, breathability, adhesion and water resistance, the FX4 base coat provides a reliable substrate for decorative silicone, acrylic or mineral thin coat renders. Its performance characteristics make it a trusted choice for builders, contractors and specifiers seeking high quality base render results.<br> <br> For more information on this product click <b><a href="https://www.ecorend.co.uk/fx4-one-coat-base/">here</a></b><br> <br> <b>Other Products can also be found on the website</b><br> - <b><a href="https://protecrendersupplies.co.uk/buy-render-uk/?types=Render+Basecoats">Adhesives & Basecoats:</a></b> High&#8209;bond adhesive mortars and polymer&#8209;modified base coats with mesh<br> -<b><a href="https://protecrendersupplies.co.uk/buy-render-uk/?types=Silicone+Render">Render Topcoats: </a></b> Silicone, acrylic and mineral finishing renders in multiple textures and colours<br> - <b><a href="https://protecrendersupplies.co.uk/buy-render-uk/?types=primers">Primers & Preparation Tools: </a></b>Substrate primers for improved adhesion and surface sealing