The steps are as follows:
- Grind out the grout along a row of bricks.
- Fabricate copper flashing. The flashing has two details worth pointing out. On the end that will fit into the mortar...
- Insert the flashing into the mortar joint so that it fits tightly with the wedge.
- Seal the joint with a high quality flexible caulking.
What kind of flashing do you use for a deck?
Our White Vinyl Roll Flashing is made of exterior-grade polyvinyl chloride for use with all pressure-treated lumber. Nail the flashing onto the house. Z Flashing tucks under the siding and wraps over the top of the ledger board. Looking for a professional to build your deck?
How do you attach deck flashing to siding?
If you don't do this and the bottom of the flashing is in direct contact with the siding, capillary attraction can pull the water up so it leaks behind the siding. This first piece of flashing needs to extend up at least 2 inches behind the deck ledger board. You then attach the ledger board to the wall using approved through bolts, not lag bolts.
How far above the deck should flashing be on a house?
Flashing a Deck. This flashing needs to extend up at least 2 or 3 inches up under the siding above the deck. Keep in mind the bottom of the upper siding should be at least two inches above the flashing or the decking that's near the house. Never put horizontal siding in direct contact with any horizontal material.
How do you install flashing on a ledger board?
Install flashing that is made for ledgers. It should be vinyl and have a “Z” shape that wraps around the top of the ledger. Where necessary, slip it behind moldings. Where the ledger is longer than the flashing, overlap the flashing pieces by at least 4".
How do you seal where deck meets house?
0:031:37Flashing & Adhesive Caulk At The Ledger | Admiral SpaceMakerYouTubeStart of suggested clipEnd of suggested clipDoes not allow any water to penetrate. Through. Okay so we are talking it's important that we put aMoreDoes not allow any water to penetrate. Through. Okay so we are talking it's important that we put a good amount of caulk. Between each board in the screw ledge and along the five and a half inches.
How do you flash deck posts?
0:372:06How to Install 4x4 Post Flash - YouTubeYouTubeStart of suggested clipEnd of suggested clipSlide the 4x4 post flash sleeve over the top of the post. And bring it to about two to three inchesMoreSlide the 4x4 post flash sleeve over the top of the post. And bring it to about two to three inches above the joist. Apply a bead of trex rain escape caulk around the entire post.
Do you have to flash a deck ledger?
How to Flash a Deck Ledger Board. If you cut out your siding to install a ledger board, careful steps must be taken to ensure that moisture cannot reach your house. Infiltrating rainwater can travel downward, sideways and even upward, so special flashings must be used.
How do you flash a balcony deck?
1:103:23How to install Deck Flashing - YouTubeYouTubeStart of suggested clipEnd of suggested clipUp along the bottom that will be flashed. Then you have the decking that will seat right in betweenMoreUp along the bottom that will be flashed. Then you have the decking that will seat right in between your ledger board flashing. And now your deck your top deck flashing.
How do you attach flashing to wood?
Install a tube of construction adhesive in a caulking gun. Apply a generous amount of adhesive along the back of both fins of the flashing. Reposition the flashing at the deck-to-wall intersection and align the cuts at the lower edge with the sides of the corresponding joists. Press the flashing firmly into place.
What is flashing on a deck?
Deck flashing creates a barrier to prevent moisture from entering the house in the openings you create when attaching your ledger board connection. You can buy flashing either in roll form or in rigid Z- or L-shaped 10' sheets made of stainless steel, copper or vinyl material.
How far apart should ledger bolts be?
The fasteners must be compatible with pressure-treated lumber to prevent corrosion. Typically, you will need to install your bolts alternating high and low 2" from the top and bottom of the ledger board. As a rule of thumb, bolts can be spaced 16" on center for supporting joist span up to 12' in length.
How thick should a ledger board be?
Wood ledger boards supporting bearing ends of joists or trusses shall be anchored to flat ICF walls with minimum thickness of 5.5 inches (140 mm) and to waffle- or screen-grid ICF walls with minimum nominal thickness of 6 inches (152 mm) in accordance with Figure R611. 8(2), R611. 8(3), R611.
How far should deck boards be from siding?
about 1/8"The first board you install should be about 1/8" (3.5mm) away from the siding, to account for drainage, expansion and contraction. Predrilling is typically necessary when fastening any type of hardwood decking.
How do you install flashing between deck and house?
0:0912:31How to Install and Flash a Deck Ledger, Start to Finish - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd the most important part of installing ledger. Right is making sure that it's long lasting it canMoreAnd the most important part of installing ledger. Right is making sure that it's long lasting it can support the deck for the duration of the decks life.
How do you finish the edges of a deck?
0:595:15DIY Floating Deck | PART 3 | trimming deck boards | how to - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo as you can see here I offset the board by that whip. And then screwed in the board on top at bothMoreSo as you can see here I offset the board by that whip. And then screwed in the board on top at both ends. And then in the middle you could also probably use clamps if you have the option.
How do you flash a porch?
Lay the cut flashing down at the corner over a shingle that is already in place. The corner cut should be facing upwards. Gently hammer the 45-degree cut around the corner of the porch/roof seam until it sits flat. Secure it to the house wall with a roofing nail at each corner.
What is flashing in construction?
Flashing refers to thin pieces of impervious material installed to prevent the passage of water into a structure from a joint or as part of a weather resistant barrier system.
How far apart should ledger bolts be?
The fasteners must be compatible with pressure-treated lumber to prevent corrosion. Typically, you will need to install your bolts alternating high and low 2" from the top and bottom of the ledger board. As a rule of thumb, bolts can be spaced 16" on center for supporting joist span up to 12' in length.
How do you apply vinyl flashing?
0:463:25Vinyl Siding Flashing Overview - YouTubeYouTubeStart of suggested clipEnd of suggested clipThe top of the side flashing must fall one inch below the width of the top flashing. Last apply theMoreThe top of the side flashing must fall one inch below the width of the top flashing. Last apply the head flashing overlapping the sides the full width and one inch below the top of the side flashing.
How to slip flashing under siding?
When slipping the flashing under the siding, be sure to slide the flashing to the left or right of the ledger by at least 2". This will ensure water doesn't infiltrate behind the flashing. Slip the siding up and around the door. Slip the back flashing under the siding at least 3" at the top and the sides.
How to make ledgers longer than flashing?
Where the ledger is longer than the flashing, overlap the flashing pieces by at least 4". Overlap the flashing in the corner. At an inside corner, slide the first piece in so its bottom lip slips in between the two boards.
How to protect a house from moisture?
Ideally, the house’s sheathing should be triple protected from moisture - with building paper or roofing felt stapled to the sheathing; then with back flashing; and then the Z flashing, which also protects the ledger itself.
Is flashing the same as self stick?
For instance, some inspectors may prefer self-adhering flashing (which is much the same as self-stick ice and water shield often used at roof eaves) instead of vinyl back flashing.
Is it safe to cut through flashing with a razor?
Be sure to clamp a straight edge to the surface to ensure a straight line. This is just a score, not a cut. You do not want to cut through the flashing. Cutting halfway through will allow it to bend very easily.
Can you cut out siding to install ledger board?
If you cut out your siding to install a ledger board, careful steps must be taken to ensure that moisture cannot reach your house. Infiltrating rainwater can travel downward, sideways and even upward, so special flashings must be used. In the past, metal flashing and extra layers of roofing felt (tar paper) were often used, but nowadays, ...
Is Flashing Required on a Deck?
Flashing is required where your exterior decks attach to the floor or wall assembly of wood frame construction.
How Does Flashing Work on a Deck?
Deck flashing works by creating a barrier that prevents moisture from entering your house through the openings you created while attaching the ledger board connection.
How Do I Install Flashing?
If you cut vinyl siding to install a deck ledger board, ensure that the moisture doesn’t touch wood where the home and deck meet.
The Best Deck Flashing Metals
If you plan to add flashing to an existing deck, you should consider the different metals available for flashing purposes.
The Cost of Deck Flashing
The actual cost of deck flashing depends on several factors. For instance, the price will be lower if you do the task yourself than hiring a competent handyperson.
Conclusion
As we have seen above, adequate deck flashing allows you to have quality fresh air for an extended period. However, deck flashing isn’t an easy task, especially if you don’t have the required skills. There is, therefore, the need to involve a handyperson or deck installer.
What is deck flashing?
Deck flashing creates a barrier to prevent moisture from entering the house in the openings you create when attaching your ledger board connection. You can buy flashing either in roll form or in rigid Z- or L-shaped 10' sheets made of stainless steel, copper or vinyl material.
Why use copper flashing?
Copper works well because it is compatible with the chemicals used in commonly sold ACQ-treated lumber and is easy to bend. Because flashing comes in different widths, make sure your flashing will be the right size to tuck up behind the house siding at least a couple of inches.
Can you use galvanized steel on ACQ ledger board?
Never use galvanized steel or aluminum flashing in contact with an ACQ pressure-treated wood ledger board because it will corrode. Vinyl flashing is the least expensive option, but it may not work as well in areas with extreme temperature fluctuations.
Why is it bad to attach a deck to a house?
The problem with attaching a deck to the house is it creates a great area to collect water. The intersection of the house and deck is extremely vulnerable to moisture problems. As you can see from the diagram and the photo flashing must be done in layers.
What is ledger cap flashing?
Ledger cap flashing ensures that water doesn’t get behind the ledger and rot the band board (rim joist) and then get into the structural framing. Ultimately the flashing only has to get up behind the siding for several inches and over the top of the ledger and partially down the front edge.
Why don't lag screws hold?
The reason is lag screws don’t hold very well when then only penetrate and inch or so into the rim joist. Make sure you seal all around the bolt heads with some silicone caulking as another line of defense against water. Next you’ll want to install a piece of metal drip cap flashing above the ledger board.
How far should I put bitchathane behind a ledger?
First I like to install a layer of self adhering bitchathane (we like Grace Ice and Water) behind the ledger and above it by at least 12 inches. Make sure the bitchathane is behind the house wrap. The house wrap should extend and overlap the bitchathane.
How deep should a 6x6 footing be?
I am in Baltimore and footings must be 30″ below grade. Typical footing at this depth for a 6X6 post should be 12″ deep, 24X24 but once that is poured with steel reinforcement in it, you need to have rebar to attach to a pour that should go from the footing to 8″ above grade with an anchor bolt embedded in top of pour, this should be twice the cross section of your post, so 12X12 pour. If your home is built with engineering I beams and is an older home, you are required by code to not use the connection to the house for load bearing, hence free standing design must be used. You can attach to the house for stability only and you cannot go over certain heights 9check local code) to an upper floor from any point at grade without angle cross bracing.
What is the best way to seal a joint?
Seal the joint with a high quality flexible caulking.
Can you tuck up flashing in siding?
The problem is we don’t know the best options for our new flashing. It can’t tuck up into the siding, the best it can do is tuck into the 1/4″ overhand of the older flashing. Do you have any suggestions.
How many feet of decking parallel to house?
There are 20 feet or so of decking that runs parallel to the house. I'll pull up those two boards, ripping about 1/4 inch off the width of these boards. I'll clean out any trash thats in the area now, then spray the area with a fungicide/insecticide.
Where should the ledger be fastened?
As a given the ledger should be fastened to the rim joist, the siding comes down, with the flashing behind it running on the deck joists at a 90 the decking is fastened thru it.
Can you flash over cedar deck boards?
I don't think that flashing over the deck boards is a good idea. As you said, it will still get wet underneath, and rot even faster in the dark...and you won't be able to get under there to clean it out. Short of major surgery, I only see 1 option. Clean the gaps again, and get some fungicide/insecticide preservative, and soak the area between the cedar and the board ends. At least it shouldn't rot.
Do I need to run a kerf into siding?
An advantage of doing it this way is I do not need to run a kerf into the existing siding. I also will not have a visible copper flashing that SWMBO will complain about when I'm done. The only visible sign will be a neat bead of caulk that will match the color of the siding fairly closely.
Why do you need a flash on a deck?
The wall flash prevents ice build-up that can expand, contract, and move the deck board over time.
How to keep water from building up between deck boards?
To keep water and ice from building up between the first deck board and the flashing, use an EPDM foam, such as Trex RainEscape Wall Flash. Click here to see how easy it is to install Trex RainEscape Wall Flash.
What is the best way to protect a deck from moisture?
The substructure includes the beams and deck joists that support your deck boards. Choose a joist and beam tape such as Trex Protect® to cover the wood and shield it from moisture.
What is the best tool to cut flashing?
Tin snips are the fastest and safest tool to cut vinyl flashing. You may also use self-adhering flashing, especially if your local inspector prefers it. Score with a utility knife. Do not cut all the way through. Be sure to clamp a straight edge to the surface to ensure a straight line. This is just a score, not a cut.
How to make a 90 degree bend in a corner?
Mark for cutting to length with a square and pencil, and cut with tin snips. To make a bend at an inside corner, clamp a straight edge onto the piece and score with a knife, and bend carefully.
How long can you enjoy flashing?
With proper flashing, you can enjoy quality time in the fresh air for decades.
Can you cut vinyl siding to install a ledger board?
Especially, if you’re cutting vinyl siding to install a deck ledger board, you must be careful to ensure moisture cannot touch the wood where your deck and home meet. The first deck board is generally mounted slightly away from your house, leaving a small gap where water and ice can become trapped. Over time, this trapped water will cause your wood to rot.
