Plan and Design the Storage System
From Under Stair Storage · Step 2 of 7 · Video by Matthew Peech

Showing 0:00–0:08 of the source video. Watch the full video with every moment.
What happens in this clip
The video introduces the concept of maximizing storage space. Before starting construction, plan the layout of your storage system. Measure the available space where the system will be installed, including height, width, and depth. Determine the number of fixed and sliding units required and the dimensions of each unit, taking into account the size of the storage bins you plan to use. Sketch out a design, indicating the placement of shelves, the overall frame, and the sliding mechanism. This planning phase is crucial for a custom-fit and efficient system.
Goal: Determine layout, dimensions, and materials for the sliding storage system.
What's used
Tools
- Measuring Tape
- Ruler
- Paper
- Whiteboard
- Pencil
- Marker
About the full video
This project details how to construct a compact, customizable, and mobile sliding storage system designed to maximize space in areas like a garage or workshop. By building multiple shelving units, some fixed and some on casters, the system allows for high-density storage that can be easily accessed by sliding the units along tracks, effectively compressing storage into a smaller footprint.
Step 2 of 7: Design Storage Units
Based on the measurements, sketch out the design for your drawers or pull-out carts. Determine the number of units, their dimensions, and how they will operate (e.g., slides, wheels). Consider the type of storage needed (e.g., deep drawers for larger items, shallower ones for smaller items). You can use graph paper for detailed plans or design software if you are comfortable with it. Ensure the design accounts for any sloped ceilings or walls.
Every video in Under Stair Storage
Step 1: Measure Under-Stair Space
- 0:18–0:19 Measure Cubbies and Acquire Drawer Components
- 1:06–1:52 Measure Cabinet Interior
- 0:17–0:37 Measure Closet Space
Step 2: Design Storage Units
- 0:00–0:08 Plan and Design the Storage System (this video)
- 0:56–3:20 Planning the Layout and Design Considerations
- 1:52–2:27 Design Pull-out Specifications
Step 3: Select Materials
- 0:00–0:09 Material and Tool Gathering
Step 4: Cut Components
- 0:21–3:56 Rip and Cross-Cut Drawer Components
- 0:40–2:20 Cut and Dimension Wood Components
- 0:29–0:54 Crosscut Plywood for Drawer Components
Step 5: Assemble Storage Units
- 7:16–8:26 Assemble Drawer Boxes
- 5:10–5:34 Assemble Drawer Boxes
- 3:10–4:31 Construct Drawers and Pull-out Trays
Step 6: Install Storage Units
- 12:07–12:15 Insert Pull-out Shelves
- 9:51–10:15 Install Drawer Boxes into Cabinet
- 0:58–1:07 Install Drawer-Side Slides and Insert Drawers
Step 7: Attach Handles and Finish
- 12:49–13:28 Final Sanding and Finishing
- 8:36–9:13 Final Adjustments and Finishing
- 6:31–6:47 Attaching Drawer Pulls (Knobs)
Questions about Under Stair Storage
The project summary lists an estimated time of 4 minutes, but it seems more complex. How long should I realistically expect this project to take?
The 4-minute estimate is likely a typo. Given the design, cutting of plywood, assembly of units, and installation, this intermediate project typically requires several hours to a full weekend, depending on your experience and the complexity of your design. Plan for at least 8-16 hours of work spread across multiple sessions.
What are the most important safety precautions I should take when building under-stair storage units?
Always wear safety glasses when operating cutting tools to protect your eyes from flying debris. Use gloves to prevent splinters, and ensure your work area is well-ventilated if using adhesives or finishes. When installing, securely anchor the units to the studs or solid framing to prevent tipping.
What kind of wood is best for these storage units, and how can I estimate material costs?
For durability and a good finish, 3/4 inch birch plywood, as listed in the materials, is an excellent choice. You'll need to precisely measure your under-stair cavity to calculate the exact amount of plywood, drawer slides, and caster wheels required. Expect material costs to vary, but budget a few hundred dollars depending on hardware quality and wood choice.
How do I accurately measure and design the storage units to fit my unique under-stair space, considering the slope?
Start by measuring the height, width, and depth of your stair cavity at multiple points, as walls are rarely perfectly square. Account for the stair's slope by creating a template from cardboard before cutting your final materials, ensuring your units will slide in and out smoothly without catching.
What are common mistakes DIYers make with under-stair storage, and how can I troubleshoot them?
A frequent mistake is inaccurate measurements, leading to units that don't fit or operate smoothly. Double-check all measurements before cutting and create a detailed cutting plan. If drawers stick, check if slides are level and plumb, and ensure there's enough clearance around the units.
Are there alternative materials or drawer mechanisms I can use if plywood and standard slides aren't ideal for my project?
Yes, for a different look or budget, you could consider solid pine boards for a rustic feel or MDF for painting, though MDF is less durable. Instead of traditional drawer slides, you could build simpler pull-out bins directly on caster wheels, or opt for fixed shelving if full drawer access isn't a priority.
Why are items like 'Designer Stencils' and 'Primed Baseboard Moulding' listed, and how are they typically used in this project?
These items are for aesthetic enhancements. Designer Stencils could be used to add decorative patterns to the drawer faces or the inside of the units. The Primed Baseboard Moulding would likely be used to trim out the exterior opening of the under-stair cavity, giving the installed units a more finished, built-in appearance.
Under Stair Storage
This project involves designing and building custom drawers or pull-out carts to maximize storage space within the often-underutilized area beneath a staircase. The process includes measuring the space, designing the storage units, selecting appropriate materials, cutting and assembling the components, and installing them into the stair cavity.
Read the full guide Browse all guides
Planning this project? Shop Oak Valley Designs.

