Welcome to Jay Jay Building Supplies. We are the best and first-ranked construction company in Penrith since 1985. We stock the finest and high-quality products for buildings with excellent customer service. We are also called a top-class building material supplier.  Here at Jay Jay Building Supplies, we sell many sorts of products online such as; Roofing & Rainwater, Insulation, Cladding, Timber, Flooring, Doors, Structural Steel, Skylights, Blocks and Roof Ventilation.   In our online platform, we supply a wide range of unique flooring materials to suit your needs such as; Particle Board Flooring, Fire Crunch, Dura floor, Index and Ply Flooring.  We provide great quality supplies for every construction work. We also supply masonry blocks for gardens, fences and walls. In Roofing & Rainwater, we sell roofing and walling including; guttering, fascia, downpipes and more.  Leaf Stopper is used to protect buildings from unwanted leaves and garbage and it is made of aluminium mesh. Our experienced team use the latest tools and they also have up-to-date knowledge of modern technology and techniques.  Our main task is to assist our customers with state-of-the-art and current supplies. Our company is very careful when it comes to brands, we distribute the best and good-quality products to our clients. We only agree to take great quality products from trustworthy firms.