Planning Your Picket Fence Project
Before you begin attaching pickets to your fence, proper planning ensures a professional outcome that lasts for years. The first step is determining your fence layout, which includes measuring the total length and identifying any slopes or obstacles in your yard. In Central Illinois, we often work with properties that have subtle grade changes, which require careful planning to maintain consistent picket heights while following the natural contour of the land.
Selecting the right materials is equally important. Wood remains the most popular choice for picket fencing, with pressure-treated pine offering durability at an affordable price point. Cedar and redwood provide natural resistance to rot and insects, making them ideal for our Illinois climate where moisture levels fluctuate throughout the year. Vinyl pickets have gained popularity for their low maintenance requirements, though they lack the authentic charm many homeowners seek.
Calculate the number of pickets you will need by dividing your total fence length by the combined width of one picket plus your desired spacing. Standard picket spacing ranges from two to three inches, balancing visibility with privacy. Always purchase ten percent more materials than your calculations suggest to account for mistakes, defects, or future repairs. This small investment prevents delays when a picket splits during installation or needs replacement down the road.
Preparing Your Posts and Rails
Your pickets attach to horizontal rails that connect fence posts, creating the structural framework. Posts should be set in concrete at intervals no greater than eight feet apart, with a minimum depth of two feet for four-foot fences and three feet for six-foot fences. The freeze-thaw cycles common in Sullivan and surrounding areas demand proper depth to prevent frost heave from destabilizing your fence over winter months.
Install two or three horizontal rails depending on your picket height. For fences under four feet tall, two rails suffice, with the top rail positioned six to eight inches from the picket tops and the bottom rail six to eight inches from the ground. Taller fences benefit from a third rail centered between the top and bottom for added stability. Use a level to ensure rails run perfectly horizontal, as even slight angles become glaringly obvious once pickets are attached.
Before proceeding, seal or paint your rails and posts if using wood. Applying finish to these components now prevents unsightly gaps later, since wood shrinks slightly as it dries. This step also protects hard-to-reach areas where rails meet posts, extending the life of your fence significantly. Allow finishes to dry completely according to manufacturer recommendations before handling or attaching pickets.
Installing Pickets with Precision
Begin picket installation at a corner post or gate location to establish your starting point. Hold your first picket plumb against the rails using a level, ensuring it sits vertically straight. Mark and pre-drill holes to prevent splitting, particularly important when working within six inches of picket ends. Use two fasteners per rail, positioning them about one inch from each picket edge to distribute stress evenly and prevent warping.
Galvanized or stainless steel fasteners resist rust and corrosion, maintaining their holding power through years of exposure to Illinois weather. Ring-shank nails provide superior grip compared to smooth-shank varieties, while exterior-grade screws offer the strongest connection and allow for easier adjustments during installation. We recommend screws for DIY projects since they forgive mistakes better than nails and create a more professional result.
Create a spacing jig from scrap wood cut to your desired gap width. Place this jig against your installed picket, position the next picket against the jig, check for plumb, and fasten. This simple tool ensures perfectly consistent spacing across your entire fence without constant measuring. Mark your jig clearly and keep it accessible throughout the project, as losing it mid-installation creates noticeable inconsistencies that detract from your fence’s appearance.
Pay special attention to picket alignment as you progress. Step back periodically to verify that picket tops form a straight line. Even small deviations accumulate over distance, resulting in a wavy appearance that appears unprofessional. If you notice alignment drift, adjust the next few pickets gradually to correct the issue rather than making a dramatic change at a single picket that creates an obvious visual break.
Addressing Slopes and Corners
Sloped terrain requires choosing between stepping your fence in level sections or racking it to follow the grade. Stepping creates a staircase effect with level fence sections that drop at each post, maintaining vertical pickets throughout. This method works well for moderate slopes and provides a traditional appearance. Racking angles the entire fence section to match the slope, keeping consistent ground clearance but requiring pickets to be cut at matching angles top and bottom.
For stepped installations, calculate your drop between posts by measuring the vertical elevation change and dividing by the number of fence sections. Each section remains level while the bottom drops to follow the slope. The triangular gaps created at the bottom of each stepped section can be filled with decorative trim boards if desired, though many homeowners prefer the open appearance that allows drainage and air circulation.
Corners present their own challenges, requiring careful planning to avoid awkward partial pickets or uneven spacing. Measure from your corner post in both directions, calculating where full pickets will land. Adjust your spacing slightly throughout both fence runs approaching the corner so that full pickets meet at the post, or plan for a specific corner detail that incorporates the partial picket intentionally as a design element.
Finishing and Maintaining Your Picket Fence
Once all pickets are secured, address any finishing touches that enhance durability and appearance. Sand any rough edges or splinters that could pose safety hazards or snag clothing. Fill nail or screw holes with exterior wood filler if desired, though many installations leave fasteners visible as part of the fence’s character. Check all connections one final time, tightening any loose fasteners before applying your finish coat.
Applying a quality finish protects your fence from moisture, UV damage, and insect activity. Paint offers the widest color selection and traditional picket fence aesthetic, requiring a primer coat followed by two finish coats for proper coverage and protection. Stain allows wood grain to show through while providing weather protection, available in transparent, semi-transparent, and solid formulations. Clear sealers preserve natural wood color but require more frequent reapplication than pigmented finishes.
In Sullivan, where summer humidity and winter freeze-thaw cycles test outdoor structures, we recommend finishing both sides of your fence for maximum protection. Pay special attention to picket tops and bottom ends, as these horizontal surfaces collect moisture and deteriorate first. Apply extra coats to end grain since wood absorbs finish faster in these areas, or consider cutting picket tops at a slight angle to shed water rather than allowing it to pool.
At Midwest Custom Fencing, we bring years of hands-on experience to every fence installation throughout Central Illinois. Our crew understands the local climate challenges and property characteristics that affect fence longevity and performance. While this guide provides the knowledge needed for a successful DIY project, we recognize that professional installation delivers results that stand the test of time. We use American-made materials, maintain proper licensing and insurance, and back our work with a five-year labor warranty. When you work with our team, you receive honest guidance, transparent pricing, and craftsmanship rooted in integrity and Biblical principles. Whether you need a classic white picket fence or a custom design tailored to your property, we treat your home with the same care we would our own.
Regular maintenance extends your fence’s lifespan significantly. Inspect your fence annually for loose fasteners, damaged pickets, or finish deterioration. Tighten connections as needed and replace individual damaged pickets promptly to prevent problems from spreading. Clean your fence yearly using a garden hose or pressure washer on a low setting, removing dirt, mildew, and organic debris that trap moisture against the wood. Reapply finish every three to five years depending on product type and exposure conditions, addressing peeling or fading before wood becomes exposed to the elements.