Where do you install counter flashing?
Quote from the video:
Quote from Youtube video: So step flashing is just a 90 degree piece of aluminum. That is designed to go next to the vertical penetration. And then goes on to the roof.
Do you need counter flashing?
Counter flashing is very important anywhere you have brick on a home. This is usually on the roof and chimney areas. With this in mind, sometimes it is not installed or it wears out quickly and needs replacing. In general, the idea is to always keep water outside of the home.
What is flashing and counter flashing?
Counter flashing is used on walls and chimneys like step flashing. Unlike step flashing, the piece of flashing is sawed into an existing mortar joint, and the metal comes over the top of the brick. Like step flashing, counter flashing is sometimes installed in a step-by-step method.
What is the counter flashing?
Counter-flashing is designed to prevent moisture from entering behind the vertical flange of headwall or sidewall flashing. Sometimes, the exterior wall-covering material serves as the counter-flashing, and sometimes a separate counter-flashing might be installed.
How do you secure counter flashing?
Quote from the video:
Quote from Youtube video: These rivets are just gonna pin these outer layers of flashing together. So Carl's gonna hold that nice and tight and these are gonna be visible.
Does counter flashing overlap step flashing?
Because the flashing is 2 inches wider than the exposure of the shingles, each step flashing piece will overlap the one on the course below by 2 inches. Nail the flashing to the roof deck only. Do not nail it to the wall. Bring siding down over the vertical sections of the step flashing to serve as counterflashing.
What is apron counter flashing?
Apron Flashings are located at the low end of a curb or penetration. This type of flashing makes a water tight junction, basically forming a right angle which starts up behind the cladding, comes down and out and over the roof.
What is counter flashing made of?
Three common metals formed into counter flashing are aluminum, copper, and galvanized steel. Though all three have value, each must be evaluated by their respective positives and negatives by homeowners and contractors. The most commonly used material for counter flashing is aluminum.
How do you put flashing on?
Quote from the video:
Quote from Youtube video: Make sure the nail is down tight and flat. Okay the next thing i need to do is add another piece of flashing right here on top of the courses. As we go and that's called step flashing.
What type of flashing is best?
If metal is to be used as flashing, stainless and galvanized steel are better choices. Stainless steel is one of the least reactive metals, but it can be difficult to cut and bend, and some of the lower grades of stainless might be more reactive than you would think. Copper is a good option too—but it is expensive.
What are two types of flashing?
There are two general types of flashing used in masonry construction. The first is external flashing (exposed flashing) and the second is internal flashing (concealed flashing). External or exposed flashings prevent moisture from penetrating into masonry walls where the wall intersects the roof.
How do you caulk flashing metal?
Quote from the video:
Quote from Youtube video: When installing force the product down into all penetrations. And overall surface protrusions then smooth out the coating. Allow the first coat to dry for three to twelve hours.
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.
Is flashing supposed to be nailed down?
Roof Flashing Sealant Types
While roofing professionals occasionally use nails when flashing, they must choose whether to nail to the roof plane or the vertical wall. If nailed to both, the flashing may deform under the pressure from shifting brick or wood.
What do you attach flashing with?
Quote from the video:
Quote from Youtube video: Place the first step flashing strip over the end of the starter course shingle and secure. The step flashing to the roof with 2 nails.
What nails do you use for flashing?
Copper Ring Shank Slating & Flashing Nails
These solid copper nails are the type recommended for use with many major brands of tile and slate roofing – and are the most compatible nails for use with copper flashing. The full 3/8” head gives good bearing pressure on roofing and flashing material.
Do you install drip edge before tar paper?
Installing roof drip edge flashing properly
The best way is to install the roof drip edge only along the eaves first, then place ice-and-water barrier (in the snowbelt) or felt paper (underlayment) over the drip edge. This lets any water that gets on the roof run down the underlayment and over the drip edge.
What screws do you use for flashing?
Use 1-inch galvanized roofing nails or 3/4-inch exterior screws. Space the fasteners by about 12 inches. Overlap two pieces of flashing that meet end to end by at least 1 inch.
