Porches

Home » What We Fix » Porches

Porch Repair in St. Louis – Floors, Railings, Posts, Screens & More

Rotted floors, wobbly posts, failing screens, worn railings porch repairs done right with no minimum job size.


Porch Repair in St. Louis


FIX St. Louis repairs covered porches in St. Louis homes: rotted floor boards, rotted or loose railings, wobbly porch posts, worn screen panels, ceiling fans, and porch painting. The covered front porch is a defining architectural feature of St. Louis’s brick neighborhoods, and FIX St. Louis understands the specific conditions moisture, shade, and seasonal paint expansion that drive porch maintenance in this market. No minimum job size. Firm quote before any work. Phones answered 24/7.

314-434-4100

Call Now

Phones Answered 24/7

314-254-8006

Text Now

Online Form

Free Quote

Porch Repair Services FIX St. Louis Handles

For deck repair and fence repair, visit our standalone Decks and Fences pages.

ServiceWhat We Do
Replace rotted floor boardsRemove and replace rotted porch floor boards; match existing profile and spacing.
Repair rotted railingsRemove deteriorated railing sections; replace with matching lumber or PVC.
Paint porch floors and railingsPrepare, prime, and paint porch floor surface and railing system.
Replace railings with PVCInstall PVC/vinyl railing system; low maintenance; no painting required.
Replace railings with metal unitsInstall metal railing units; match existing post spacing.
Repair wobbly porch postsRe-secure or replace porch columns and support posts at base and capital connections.
Powerwash porchesPressure wash porch floor, ceiling, and surfaces; remove mold, algae, and dirt.
Replace screens on porchesRe-screen or replace screen panels in screened-in porch enclosures.
Replace ceiling fans on porchesRemove old porch ceiling fan; install new outdoor-rated fan; wire and test.

St. Louis Porches: A Local Context

The covered front porch is one of the signature architectural features of St. Louis’s historic neighborhoods. Brick bungalows, four-squares, and craftsman homes built between 1890 and 1950 throughout Kirkwood, Webster Groves, Maplewood, Brentwood, and South St. Louis City almost universally have covered front porches. These porches share a common set of characteristics — and a common set of maintenance challenges.

Covered porch floors are almost always painted, not stained, because they are in covered shade and the paint holds better in that environment than on an exposed deck. Porch posts are structural, not decorative a wobbly porch post is supporting roof load and needs immediate attention. Porch railings in older St. Louis homes are often original wood that has survived decades but may be nearing the end of its service life. And porch screens, where they exist, take abuse from St. Louis wind events and insects that put pressure on them all summer.

Rotted Porch Floor Boards

Porch floor boards in St. Louis rot from two primary sources: moisture wicking up from below when ventilation under the porch is inadequate, and moisture seeping through paint failures on the top surface. The pattern is typically one or two boards at a time, near the edges where water sits, or near posts where moisture collects.

Individual board replacement matches the existing floor board profile typically 2×4 or 2×6 tongue-and-groove painted pine. The board is cut out at the joist lines, replaced, blind-nailed or face-nailed depending on the existing method, and the new board is primed and painted to match. We also inspect the joist beneath any removed board for signs of rot before closing the repair.

Wobbly or Deteriorated Porch Posts

A porch post that wobbles is carrying roof load and must be addressed promptly. The most common failure point in St. Louis porch posts is at the base where the post meets the porch floor. The base is in a moisture-collection zone and is often the first part of an otherwise sound post to deteriorate. Post bases that have rotted while the upper portion remains sound can sometimes be spliced; posts that are compromised through their full length need full replacement.

Porch post work requires temporarily supporting the roof load before removing any post. This is not a DIY repair removing a structural post without shoring the roof above it can cause ceiling and roof damage. We shore the load before any post removal and restore the original support correctly.

Dr. Steve’s Pro Tip:

On older St. Louis brick homes, porch posts are often set on top of brick piers rather than on a porch floor surface. When these posts show signs of decay at the base, the failure is almost always at the wood-to-masonry interface where moisture wicks up from the brick. A proper repair uses a post base bracket that lifts the wood post above the masonry surface and creates an air gap eliminating the moisture path that caused the original failure.

Porch Railings: Rotted, Loose, or Ready for Upgrade

Porch railings in St. Louis’s older homes are usually wood painted, sometimes with turned balusters that are original to the house. When railings have deteriorated to the point of structural failure, replacement is the right approach. When they are structurally sound but cosmetically worn, painting is a cost-effective restoration.

PVC railing systems are a popular upgrade for St. Louis homeowners who want a finished appearance without annual painting. PVC does not rot, does not need painting, and holds up well under the paint expansion and contraction cycles that damage wood railings in St. Louis’s temperature-variable climate. The trade-off is appearance PVC does not replicate the character of original turned wood railings but for porches where maintenance reduction is the priority, it is a practical choice.

Screen Panel Replacement

Screened-in porches are a functional and valuable feature in St. Louis, where the warm-weather insect season is genuinely intense. A screen panel that has torn, lost its spline, or had its frame bent reduces the entire enclosure’s effectiveness insects find the gap quickly.

Screen replacement involves removing the damaged panel, re-meshing the frame with new screening material (standard fiberglass or heavier pet-resistant mesh where warranted), and reinstalling. If the frame itself is bent, we assess whether it can be straightened or needs replacement. We also inspect adjacent panels for early-stage damage while we have the panel out.

Dr. Steve’s Take:

Porch screens take a beating in St. Louis. Dr. Steve covered this in a piece on wind and outdoor maintenance screens that were slightly stressed or had small holes at the start of spring are the first to fail in a significant storm. After any major wind event, inspect porch screens before assuming they survived. A torn porch screen is an open bug invitation for the rest of the season.

From Dr. Steve’s Tips: Finally! Answers, My Friend, to What’s Blowing in the Wind

314-434-4100

Call Now

Phones Answered 24/7

314-254-8006

Text Now

Online Form

Free Quote

Dr. Steve’s Take:

St. Louis bug season is real mosquitoes, gnats, and stink bugs make an unscreened or partially screened porch unusable on many summer evenings. Dr. Steve has written about this multiple times, including a piece specifically about how quickly insects find any gap in a porch screen. A torn screen panel that’s been ignored for a season becomes a persistent entry point that bugs return to even after it’s repaired, because the odor trail has been established. Fix it early.

From Dr. Steve’s Tips: They’ve Set Up Camp on Your Lawn, Refuse to Leave, and Chant All Night. What Now?

Porch Ceiling Fans

Outdoor porch ceiling fans make St. Louis summer evenings genuinely usable. But they must be outdoor-rated specifically UL-listed for damp or wet locations depending on the exposure. An interior ceiling fan installed on a porch will corrode and fail within a season, and the motor failure can create an electrical hazard.

We install outdoor-rated ceiling fans on covered porches, including wiring the switch connection and configuring any remote control or smart features. If there is no existing ceiling box rated for fan weight, we install a fan-rated box as part of the installation. This mirrors our ceiling fan installation service for interior rooms.

Dr. Steve’s Take:

A porch ceiling fan transforms an unusable hot porch into the best room in the house on a St. Louis summer evening. Dr. Steve included porch ceiling fans in a column on the small upgrades that make the most immediate difference in daily quality of life. A properly installed outdoor fan costs less than most homeowners expect and runs for years with no maintenance beyond occasional cleaning.

From Dr. Steve’s Tips: The Secret to a Stress-Free Home: Small Repairs That Improve Daily Life

Porch Painting

Porch floors and railings require paint that holds up to foot traffic, moisture, and the temperature cycling of a St. Louis climate. Porch floor paint is specifically formulated for this application higher durability, better abrasion resistance, and different adhesion chemistry than wall paint. Applying standard interior or exterior wall paint to a porch floor is one of the most common painting mistakes; it peels within a season under foot traffic.

We prepare the surface correctly clean, sand, fill any cracks or voids, prime bare wood before painting. On porch floors that have been repainted many times, we assess whether the existing paint is well-bonded or needs stripping before another coat. Multiple poorly-bonded paint layers trap moisture and produce peeling that comes back immediately after re-coating.

FAQs

Porch Repair in St. Louis

Porch Boards Soft? Post Wobbling? Screens Torn?

FIX St. Louis has been repairing St. Louis porches the brick bungalows, four-squares, and craftsman homes with their covered front porches for years. We understand the specific conditions these porches face. Firm quote before we touch anything. No minimum job size. Phones answered around the clock.

Contact FIX St. Louis — Porches Service

Call 314-434-4100 — Phones answered 24 hours a day, 7 days a week
Text 314-254-8006 — Text us anytime with questions or to schedule
FIX St. Louis • 50 River Bend Dr, St. Louis, MO 63017
CustomerService@FixSL.com
Submit a request online and we’ll follow up promptly