MKM Building Supplies offers a wide range of polystyrene boards, perfect for insulation applications requiring lightweight, moisture-resistant, and easy-to-cut materials. Ideal for underfloor heating systems, wall insulation, and more, our polystyrene boards come in various densities and sizes to match your project specifications. If you're looking for advice on the best polystyrene solution, our expert staff are always ready to provide support and recommendations.