
How to Fix a Rotten Wood Porch Floor
- Set the Cutting Depth. Set the cutting depth of a circular saw to the thickness of one of the porch flooring boards, instructs This Old House.
- Pry Up the Center Piece. Pry up the part of the board between the cut lines up with a pry bar. ...
- Pry the Rest of the Boards. ...
- Remove the Joists. ...
- Cut New Joists. ...
- Install New Floorboards. ...
- Add Your Finishing Touches. ...
How do you fix a rotted porch post?
Set posts of naturally rot-resistant wood, chamfered and notched to support the upper framing, on the new footers. Choices include eastern white pine, high quality cedar or cypress, as well as pressure-treated lumber. Deck framing is the most common area for rot damage on an old porch.
How do you repair rotted wood?
1 Claw out rotted wood out with a hammer. Use a claw hammer to dig out loose rot. ... 2 Use a router with a V-shaped bit to remove any remaining rotten wood. ... 3 Sand off paint and surface rot. Many patching solutions will not stick to existing paint, so it needs to be removed. 4 Apply 4-6 coats of wood restorer to the area. ...
Should I repair or replace my porch wood?
When restoring a 120-year-old porch with components that include curving horizontal members that have been turned on a lathe, replacing original wood is usually the last option.
Why do I need to repaint my porch?
Porches are subject to the insidious force of all weathers, from driving rain and bleaching sun to wind-driven snow and high humidity. If not kept in good repair using water-resistant materials and strategically applied coats of paint, the key elements of a porch—floors, framing, posts, railings, and decorative elements—will deteriorate quickly.

How do you fix rotten wood without replacing it?
0:033:30How to Fix Rotted Wood with Epoxy | This Old House - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd uh the bottom of the mullion post was rotted so i cut out the rot i mixed up a two part epoxy.MoreAnd uh the bottom of the mullion post was rotted so i cut out the rot i mixed up a two part epoxy.
How do you fix rotted outdoor wood?
0:072:53How to Repair Wood Rot - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd we're going to do a quick repair on a decorative wood roof eave beam that has rotted away and I'MoreAnd we're going to do a quick repair on a decorative wood roof eave beam that has rotted away and I'm gonna use a really great product called PC petrol fire and what this does it's a liquid that you
How do you repair a wooden front porch?
2:4421:22How to Repair a Wood Front Porch - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd put a lot of pressure on the top. Of. It success why all right. So so if you've never used aMoreAnd put a lot of pressure on the top. Of. It success why all right. So so if you've never used a flat bar. It's pretty easy depending on what you're doing just get it where you need to go.
Can rotting wood be saved?
When you come across rotted wood in your old house projects, instead of replacing the damaged wood, you also can repair it with specialty epoxy penetrants (also called consolidants) and fillers to make repairs. Not only is this faster, but the fixed wood is stronger than the original.
What do you fill rotted wood with?
Use a polyester filler to rebuild rotted or damaged wood. You can mold and shape it to match the original wood profile. It takes paint well and won't rot.
Can water damaged wood be repaired?
To fix watermarks or stains on wood, you should have applied marine-grade polyurethane to the wooden furniture in the first place. But, you can still remove watermarks through some other alternative methods.
How do you replace a rotted porch board?
How to Fix a Rotten Wood Porch FloorSet the Cutting Depth. Set the cutting depth of a circular saw to the thickness of one of the porch flooring boards, instructs This Old House. ... Pry Up the Center Piece. ... Pry the Rest of the Boards. ... Remove the Joists. ... Cut New Joists. ... Install New Floorboards. ... Add Your Finishing Touches.
What kind of wood should I use for a front porch?
While natural fir is the traditional choice for a porch floor, good wood alternatives include cedar, mahogany and Brazilian Ipe. You can add interest and texture to your porch floor by mixing woods or laying boards in a creative pattern.
How do you rebuild a front porch?
5:438:00Front Porch Rebuild Part One - YouTubeYouTubeStart of suggested clipEnd of suggested clipBetween the column the rebar and the finish depth. It's the morning after the concrete pour. And theMoreBetween the column the rebar and the finish depth. It's the morning after the concrete pour. And the columns are setting up nicely you give them a few days to cure in this hot weather.
Will vinegar stop wood rot?
White vinegar will stop wood rot because it is a fungicide, which has antimicrobial properties. As wood rot is caused by fungi that require an acidic environment ranging from 0-5.5 (pH), white vinegar solves the problem by changing the pH level in the wood.
How do you stop wood rot from spreading?
Boric acid (borate) is one of the most effective fungicides for use in treating wood rot. It can be applied to wood during construction to prevent future rot, or as a treatment to stop an active decay fungus from growing.
Can I use wood filler on rotted wood?
Rotting wood can be repaired by first removing any rot from the original board or beam of wood. Once that has been done, you can fill the area with a wood-patch or polyester filler. This material will fill the area and harden to provide strength and durability.
How do you stabilize rotting wood?
0:062:16Fixing a Wooden Window Frame using Elmer's Rotted Wood StabilizerYouTubeStart of suggested clipEnd of suggested clipLet that sit up for a good 24 hour period. And then I can come to a pre treated area over here ofMoreLet that sit up for a good 24 hour period. And then I can come to a pre treated area over here of damage. Then I'm going to use my two-part epoxy to fill I've got both a resin.
How do you repair structural wood rot?
You can repair rotten wood by first removing the rotting from the original board or joists. You can then fill the surrounding area with a soft wood polyester filler or wood patch using a plastic putty knife. This material fills the area and cures to ensure strength and resilience.
Will rotted wood spread?
Unlike many other wood destroying fungi dry rot can readily grow over and through porous masonry provided that there is a nutritional source (wood) from which it can spread; this ability allows the spread of the fungus from one area to another.
Can I use wood filler on rotted wood?
Rotting wood can be repaired by first removing any rot from the original board or beam of wood. Once that has been done, you can fill the area with a wood-patch or polyester filler. This material will fill the area and harden to provide strength and durability.
Why does wood rot?
Wood rot starts when wood stays damp for too long, giving a place for fungi to grow. The fungi rot away the wood, making it anything but a fun guy.
Who did Jason and Sarah hire to paint their porch?
Contact. Jason and Sarah decide to hire Tribble Painting to repair their rotting wood porch. They fill out the contact form, hoping Tribble can fix their problem and paint their porch. Then they won’t have to hire more than one contractor.
Why do you paint a deck?
Painting or staining the wood helps protect it from sun and water damage. It can also deter termites and other wood eaters. This means you can enjoy your deck or porch for longer without hiring a contractor to come to fix or paint it.
What causes wood to turn light yellow?
White Rot: this causes the wood to take on a whitish or light-yellow shade as it breaks down.
Introduction
Use a polyester filler to rebuild rotted or damaged wood. You can mold and shape it to match the original wood profile. It takes paint well and won't rot.
Smooth out the repair
Also, unlike WoodEpox, polyester tends to sag when you're doing vertical repairs. One trick is to build a form and line it with plastic sheeting. Press the form against the filler and attach it with screws. Then pull it off after the filler hardens.
How to get rid of rot in wood?
1. Claw out rotted wood out with a hammer. Use a claw hammer to dig out loose rot. Place the claw of the hammer at the base of the rot. Apply pressure as you pull the claw back towards you. Remove as much as you can without disturbing the healthy wood. Don’t force the wood to remove it.
How to get rotten wood out of wood?
Use a router with a V-shaped bit to remove any remaining rotten wood. Hold the router so the bit is 1⁄8 inch (3.2 mm) from the back edge of the wood. Use short back and forth strokes to grind away any rot you couldn’t reach with the hammer. Grind the wood until you reach healthy and solid wood.
How to apply epoxy to wood?
Paint the wood with a bonding agent. Use a wide paintbrush to apply a thin coat of bonding agent to the wood. Coat the entire area you’re making a patch for with the agent. This helps the epoxy adhere to the area better.
How to patch wood with activated glue?
Dampen the exposed wood with a wet rag. The glue you’ll be using activates with moisture. Use a damp cloth to rub the exposed wood where you’ll be placing the patch as well as the patch. It should feel slightly wet to the touch.
How to smooth epoxy?
Scrape off excess epoxy with a clean putty knife. Carefully use the edge and corners of the knife to match the epoxy to the edges of the existing wood so it has a clear, uniform look. Use a clean putty knife to smooth the edges of the epoxy.
How to match wood edges?
Trace the profile of the wood onto a plastic putty knife and cut it out with a strong pair of scissors to precisely match the edges.
What should be removed from wood before moving on?
Dirt, rust, or primer should also be removed from the wood’s surface before moving on.
What is the most common area for rot damage on an old porch?
Deck framing is the most common area for rot damage on an old porch. Before about 1860, deck frames were often built of large logs called “sleepers.”. These sturdy logs were hewn flat on one or two sides, with one of the flat side facing up to act as floor joists.
What to document before rebuilding a porch?
Before beginning any restoration or rebuilding, it’s worthwhile to document existing joinery and spacing details with photographs and/or a sketch that includes measurements on all components, even when the parts are beyond saving. What’s left may provide clues to construction techniques that gave the porch its initial long life.
How thick is a porch floor?
Historically, porch floorboards were milled from vertical grain 5⁄4″ tongue-and-groove Douglas fir, which meant they were fully 1″ thick. The ends were often shaped in a half-round bullnose by an onsite carpenter, the better to shed water. After World War II, board thicknesses shrank to ¾”, and the ends were typically square-cut, both compromises in terms of the expected lifespan of the wood.
What is the best way to join boards on a porch?
On a porch with changes of direction (for example, on a verandah that turns a corner and continues on a second side of the house), cut the boards where they meet along a diagonal. There are two classic join patterns: miter joints (shown at top) and herringbone joints (bottom).
What is a good porch?
A good porch starts with good footings. While the earliest porches were built on large stones set deep into the ground or full masonry piers of fieldstone or brick, contemporary building codes call for footers of poured concrete.
Why ventilate skirting under porch?
Ventilation is crucial for preventing dampness, which can attract wood-eating insects and encourage decay. “You want the bugs to crawl in,” says Andrew Curtis, an exterior restoration specialist, “and you want them to crawl back out.”. It is crucial to ventilate skirting underneath porches to avoid decay.
How long has OHJ lumber been around?
As OHJ has been repeating for more than 40 years, lumber of that quality is nearly impossible to find today, so it makes sense to preserve and re-use as much ...
