Quick Answer: Where Should Flashing Be Installed In A Masonry Wall?

Does flashing go under or over shingles?

This is true no matter what type of roof-covering material is installed.

Flashing should overlap the roof-covering material, but on asphalt shingle roofs, for aesthetic reasons, the part of the headwall flashing that extends down over asphalt shingles is often covered with a course of shingle tabs..

How do you install flashing under siding?

Here’s how to do it right the first time:Cut step flashing pieces to be 10 in. wide and 2 in. … Nail flashing to roof deck only. Nail through flashing into shingle, do not extend flashing above top of shingle and nail, or flashing will angle up. … Cover tops of step flashing with house wrap and siding.

Which comes first roof or siding?

Rather than spending money to have a gutter company install, uninstall and then reinstall your system, hire the roofing and siding company first. This way you’ll save money by preventing damage to them.

Can you replace drip edge without removing shingles?

The drip edge is often replaced when new shingles are installed, but it can be replaced at any time. Asphalt roof shingles can become brittle in cold weather, so wait until a warm (but not hot) day to remove and replace eave stripping.

How do you flash against brick?

Chalk a straight line about 2 inches above the back of the base flashing. Using the circular saw and masonry blade cut a slot about 1.5 inches into the brick so that the overlapping flashing or counter flashing will slide into the slot. Caulk the slot after the flashing has been installed.

What is a Reglet flashing?

A face reglet (also known as reglet-flashing) is counter-flashing that is typically made out of either copper or lead-coated copper. It is applied on the surface of the wall or parapet and screwed into place, with additional sealant placed between the surface and the counter-flashing.

Where should masonry walls have movement joints?

Also, when locating a movement joint near a door or window, that is next to the corner, the movement joint should be located on the corner side of the opening (Figure 3a & 3b). Movement joints do not need to be located at the outside corner of masonry walls.

Does flashing go under siding?

A-The flashing was not properly installed. … It should go under the bottom two rows of siding, then fold it out over the roof for at least 8 to 10 inches. In other words, you will have to rip off the bottom rows of siding to install the flashing, then replace the siding.

Why are control and expansion joints required in masonry walls?

Expansion joints must be located so that the structural integrity of the brickwork is not compromised. A control joint determines the location of cracks in concrete or concrete masonry construction due to volume changes resulting from shrinkage.

What types of movement joints are required in a concrete masonry wall?

Masonry movement joints may be described as one of three types: expansion joints, contraction or control joints, and isolation joints. Expansion joints (EJs) are used to accommodate volume expansion of clay masonry.

Where should weep holes be provided?

Weep holes are typically found in the outer masonry leaf of cavity walls, just above the flashing. They can also be found above windows, doors or other penetrations. They should be provided at regular intervals so as to allow any moisture collected by cavity trays to escape.

How do you install flashing under existing siding?

How do you install flashing under existing siding?Slice along the bend line about 4 inches into the first piece of flashing at the bottom of the roof with tin snips..Lay a shingle over the step flashing starting at the roof edge.Cut a piece of flashing along the bend line about half the length of the strip to flash the peak of the roof.

Why is it wise to spend a little extra to use time tested and proven materials for flashings in masonry walls?

Why is it wise to spend a little extra to use proven materials for flashings in masonry walls? the additional cost is very small as a percentage of overall construction cost, and the potential cost of replacing defective or deteriorated flashings in a masonry wall is extremely high.

How do you install exterior wall flashing?

Install flashing at bottom of all exterior walls and properly integrate the flashing with other wall water management details to direct water down and out of the wall. Install flashing under the bottom edge of the house wrap or other weather-resistant barrier shingle fashion to direct water out of the wall.

How much overhang should shingles have?

Shingles should not extend more than 3/4” (19 mm) past the drip edge. If shingles overhang the edge of the roof by more than 3/4” (19 mm), then they are not supported and may crack and break off. In addition, the wind resistance at the roof edge may be compromised.

Is kickout flashing required?

Kickout flashing is required regardless of the type of roof-covering material or exterior wall covering, with the exception of brick or concrete block. … Most exterior wall-covering product manufacturers don’t give specific size requirements; they just specify that kickout flashing has to be installed.

Should there be weep holes above windows?

The 2003 IRC requires minimum 3/16-inch-diameter weep holes every 33 inches, just above the flashing (R703. … Flashing, in turn, is required under the first course of masonry at ground level, above windows and doors, below window sills, and at any lintels and shelf angles (R703.

Do all houses have weep holes?

Weep holes can be found on virtually all houses with brick siding, whether they’re brand new or centuries old. Because bricks and mortar are porous, they absorb water that can seep through the bricks and then run down the backside of the bricks.

How big should weep holes be?

The most common ones are 1/4 or 3/8 inch in diameter by 3 1/2 to 4 inches long. Manufacturers recommend installing them at an angle in the mortar of the head joints, spaced 16 inches apart. COTTON WICKS Cotton wicks are used to form another type of weep system.