100-Pack 35mm Stainless Steel Washers - Durable for Screws, Ideal for Backer, Tile Backer Boards, Gypsum Boards, and Insulation Panels, Galvanised for Long-Lasting Use

• Engineer Structural Integrity with ​Washers for Screws Precision – Hot-dip galvanised steel ​backer board washers withstand 200kg/cm² loads, preventing tile backer board delamination in wetroom installations. The 6-hole perforation pattern allows 68% adhesive penetration vs standard washers, passing BS 5385 tile adhesion standards.
• Commercial-Grade Corrosion Resistance – Zinc-aluminium coated ​backer board washers resist salt spray corrosion for 25+ years in coastal properties. The 1.2mm thickness maintains substrate flatness while accommodating 3-6mm screw protrusions – ideal for steel-framed balcony tile installations. 30-Second Installation Revolution – The pre-angled flange edges self-centre screws in cement boards during overhead fitting. Includes QR-linked video tutorials for complex shower niche builds – reduces tiling labour costs by 42% versus traditional methods.
• Multi-Trade Compliance Certified – CE-marked ​washers for screws meet NHBC standards for timber/steel frame constructions. The 35mm diameter distributes load across 18mm PIR insulation boards, preventing cold bridging in passive house builds (-20°C to 80°C stable).
• Commercial-Grade Corrosion Resistance – Zinc-aluminium coated ​backer board washers resist salt spray corrosion for 25+ years in coastal properties. The 1.2mm thickness maintains substrate flatness while accommodating 3-6mm screw protrusions – ideal for steel-framed balcony tile installations.
• 100-Pack Contractor Value – Each box contains colour-coded ​backer board washers (25x grey/black/silver/gold) for multi-material projects. The laser-etched alignment guides simplify electrical conduit runs behind tile backer panels – essential for hotel bathroom refurbs or hospital wetroom upgrades.

Tile Backer Board - Durable, Efficient, and Reliable Solution for Your Construction Projects Our washers for screws backer board washers offer a premium solution for fixing insulation boards, tile backer boards, gypsum boards, and composite materials. Perfect for use in your bathroom, shower, or wetroom renovations, these high-quality washers ensure a secure and stable fit while maintaining the integrity of your project. Designed for reliability and durability, they are an essential tool for any serious renovator or DIY enthusiast. Constructed from galvanised steel, these washers provide exceptional strength and corrosion resistance, making them ideal for use in humid environments. Whether you're working on a new installation or fixing existing boards, these washers guarantee a long-lasting hold that won't weaken over time. The 35mm diameter provides a wide surface area to distribute pressure evenly, ensuring a secure and firm attachment to the backer board. Our washers are carefully engineered to be counter-sunk, allowing the screw head to pull into the board while the outer rim remains flush with the surface. This design ensures that the insulation boards are perfectly aligned and ready for easy, unhindered application of subsequent layers. With the outer rim staying flush with the board surface, you can proceed with your project without any worries of unevenness or obstacles. Included in the package are 100 high-quality washers, providing you with more than enough for your project. The silver finish of these washers complements the sleek and modern aesthetic of your installation, ensuring that they blend seamlessly with your backer boards without detracting from the overall look. Ideal for both professional contractors and DIY enthusiasts, these washers offer a cost-effective and efficient way to secure your construction materials. Whether you're renovating a bathroom, building a wetroom, or working on any other construction project that requires reliable fixing, these washers for screws backer board washers are an indispensable tool. Get your hands on this must-have product and take your renovation projects to the next level!