+OSB® is a leading Canadian manufacturer and distributor of essential plumbing components, known for durable plumbing waste, overflow systems, drains, traps, and brass/plastic fitting solutions used in residential and commercial installations. Proudly Canadian-owned and operated since 1975, +OSB serves plumbing professionals, builders, renovators, and specification partners with reliable, code-compliant products engineered for performance and ease of installation.
+OSB’s product range supports core functional elements of bathroom and kitchen plumbing systems, including:
Complete waste and overflow assemblies designed for tubs, showers, and specialty installations — including Clicker®, Lift & Turn, Tip-Toe, cable drive, and testable rough-in systems.
Shower drains and floor drains engineered for performance, available in multiple configurations and finishes.
Lav drains including open grid, mechanical pop-up, and ADA-compliant options for sinks and washbasins.
P-traps, tubular trap components, extension tubes, tailpieces, and repair connectors for bathrooms and kitchens.
Island tub drains and wood-deck drains for freestanding tubs and non-standard installations.
Entry-level essentials for basic plumbing needs and the Luxe line with premium trims and finishes tailored for high-end projects and custom applications.
+OSB has built its reputation on durability, code compliance, and installer-friendly design — key factors for projects in Toronto and across the GTA:
Proven Canadian Performance: Decades of manufacturing and distribution across Canada since 1975.
Installer-Centric Design: Products engineered for simpler installs and dependable performance on every project.
Wide Range of Options: From essential plumbing parts to premium finish trims and specialized waste systems.
Code-Certified Components: Many +OSB products comply with UPC, ASME, and CSA standards required on Canadian builds.
+OSB plumbing components form the backbone of functional bathroom systems, and when paired with quality fixtures they ensure long-term reliability and performance:
Luxury Bathroom Renovations: Seamlessly integrate +OSB drains and wastes with high-end freestanding tubs and shower systems.
New Construction: Durable components for spec homes and custom builds requiring consistent compliance and performance.
Multi-Unit Projects: Installer-friendly crates and trim options that reduce labour time without compromising quality.
+OSB offers a variety of finishes and material options including brass, chrome plated, matte black, brushed nickel, and specialty trims — allowing coordination with nearly any design aesthetic.
As a trusted dealer in Toronto, Dupont Kitchen & Bath Fixtures stocks +OSB products and provides expert support for specification, selection, and project planning. Our team ensures you get the right drains, traps, and waste systems for your installation, backed by local technical guidance and showroom consultation.
Visit us at 2397 Eglinton Ave West, Toronto, ON, or contact our specialists to explore the full +OSB range.
