How to Build a Simple Deck Platform

Building a simple deck platform can significantly enhance your outdoor living space, providing a perfect spot for relaxation, entertainment, or even dining. This guide will walk you through the process, from planning to completion, ensuring you create a sturdy, safe, and visually appealing deck.

Before you start, ensure you check local building codes and obtain any necessary permits. It's also crucial to choose a design that suits your space and complements your home's architecture. For a simple platform deck, consider a single-level design with no railings or stairs.

Gathering Materials and Tools

To build a simple deck platform, you'll need the following materials and tools:

• Pressure-treated lumber for the frame and decking
• Galvanized or stainless steel hardware
• Deck screws (2-1/2" and 3-1/2")
• Concrete pier blocks or poured concrete footings
• Gravel
• Circular saw
• Drill and driver bits
• Tape measure
• Level
• String line and stakes
• Gloves and safety glasses

Choosing the Right Lumber

Pressure-treated lumber is ideal for outdoor projects as it's resistant to rot, decay, and insect damage. For the frame, use 2x8 or 2x10 joists, and for the decking, 5/4x6 or 2x6 boards. Ensure the lumber is dried and properly treated.

Consider using composite or PVC decking materials for a low-maintenance alternative. These materials are more expensive but require no painting, staining, or sealing, and they won't warp, crack, or splinter.

Planning and Layout

Determine the size of your deck based on your needs and available space. A simple platform deck can be as small as 8x10 feet or as large as your yard allows. Keep in mind that decks over 200 square feet may require a building permit.

Sketch a layout of your deck, including the location of the footings. The footings should be placed every 6 to 8 feet along the perimeter and joists, with at least one footing within each support bay. Ensure the footings are level and the deck will be at a comfortable height for you.

Setting the Footings

Mark the locations of the footings using stakes and a string line. Dig holes at least 8 inches in diameter and 12 inches deep. Fill the bottom of each hole with a few inches of gravel for drainage.

Set a concrete pier block or pour a concrete footing in each hole, ensuring they're level and aligned with the string line. Allow the concrete to cure for at least 72 hours before proceeding.

Building the Frame

Cut the posts to the desired height, ensuring they're level and plumb. Attach the posts to the footings using galvanized or stainless steel hardware. Use a level to ensure the posts remain plumb as you secure them.

Cut the joists to length and attach them to the posts using 3-1/2" deck screws. Ensure the joists are evenly spaced (usually 16 or 24 inches on center) and level. Use a string line and level to maintain consistency.

Installing the Decking

Starting at one end of the deck, lay the first board perpendicular to the joists. Ensure it's level and flush with the outer edge of the frame. Secure the board to the joists using 2-1/2" deck screws, spacing them every 6 to 8 inches.

Continue laying boards, staggering the joints for added strength. Ensure each board is level and flush with the outer edge of the frame. Use a scrap piece of lumber as a spacer to maintain consistent gaps between the boards (usually 1/8 to 1/4 inch).

Finishing Touches

Once the decking is complete, apply a finish to protect the lumber and enhance its appearance. Use a paint, stain, or sealant designed for outdoor use and follow the manufacturer's instructions.

Consider adding outdoor furniture, planters, or lighting to make your deck a welcoming and inviting space. Regularly inspect your deck for signs of wear or damage, and perform any necessary maintenance to keep it in good condition.

Building a simple deck platform can be a rewarding DIY project that adds value and functionality to your home. With careful planning and attention to detail, you can create a beautiful and durable outdoor living space to enjoy for years to come. Happy building!