OSK Australia | Timber Outdoor Stair Kits

Premium Outdoor Timber Stair Kits Australia

DIY Merbau & Treated Pine Stairs Delivered Australia-Wide

Outdoor Timber Stair Kits are premium pre-fabricated DIY outdoor stairs designed to deliver a professional finish while saving you time and money. Ideal for new builds, deck upgrades, patios, porches, and replacing existing outdoor stairs, our timber stair kits are built for Australian outdoor conditions using quality Merbau and Treated Pine.

Our DIY outdoor stair kits include all required components, including screws and drill bit, allowing for fast and easy installation while achieving a professional finish.

We manufacture both standard and custom outdoor stair kits to suit a wide range of residential and outdoor projects throughout Queensland, Victoria, New South Wales, and across Australia.

Speak with our experienced team to discuss custom outdoor stair solutions, timber options, stair sizing requirements, and the best stair kit for your project.

Phone: 03 9432 6782
Mobile: 0408 348 339

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DIY STAIR KIT RANGE

OSK Australia manufactures premium outdoor timber stair kits in both standard and custom sizes using quality Treated Pine and Merbau hardwood, designed specifically for Australian outdoor conditions.

Our DIY outdoor stair kits are ideal for decks, patios, porches, garden access, and replacement outdoor stairs.

Standard tread widths are available in:

900mm
1200mm
1500mm
1800mm

Larger stair widths can also be manufactured with additional centre bracing for increased strength and stability.

Our outdoor stair stringers are fully trenched from the rear and pre-drilled for easier installation, helping homeowners, builders, landscapers, and renovators achieve a professional finish while saving time and money.

Standard stair rise is 160mm between each step, with screws and drill bit included in every stair kit.

Our outdoor stair stringers are fully trenched from the rear and pre-drilled for easier installation, helping homeowners, builders, landscapers, and renovators achieve a professional finish while saving time and money. Standard stair rise is 160mm between each step, with screws and drill bit included in every stair kit.

CUSTOM MADE DIY STAIR KIT

OSK Australia can customise timber stair kits to suit your exact project requirements and manufacture stairs to virtually any width or configuration. Our custom outdoor stair solutions are ideal for replacing existing porch stairs, patio stairs, decking stairs, or creating new outdoor access areas where standard stair sizes may not suit.

For a custom stair quote, we simply require:

Landing to ground height
Required stair tread width
Preferred timber species

Custom stair kits are available in premium Merbau and quality Treated Pine, suitable for:

Deck stair replacements
Raised outdoor entertaining areas
Patio and porch stairs
Garden and landscape access
Split-level backyards
DIY outdoor renovation projects

Based in Melbourne, OSK Australia provides delivery of outdoor timber stair kits throughout Queensland, Victoria, New South Wales, Perth and across Australia.

Our range of pre-fabricated wooden stairs offers a durable, easy-to-install solution with a professional finish for residential and outdoor projects.