How to Lath for Stucco
Casing beads shall be used to terminate stucco or stone around doors, windows or other openings. Flashing shall be used where lath and stucco are to be applied on walls. Intersection of roof plane (i.e.: bulkheads, sidewalls, headwalls), a stucco stop, ?ashing/ counter ?ashing shall be carried over the ?ashing to terminate the stucco and/orFile Size: 87KB. Jul 07, · The weather-resistant barrier (WRB), bond-break, lath, and stucco shall be installed to the top of the wall top plate, including behind soffits. Where walls butt into perpendicular walls, rough framing shall not contact perpendicular wall sheathing; provide sufficient space to install continuous WRB, bond-break, lath, and stucco.
Metal lath is used in stucco installation to add support to the process. Stucco is hard to get to stick to a surface without something else in place. Using metal lath is the most popular and cost effective solution to this. Stucco is going to require a base as well as the metal lath. You can use a standard plywood sheathing since it won't be seen once the stucco is applied.
Attach the plywood to the exterior surface using brackets and bolts. The first thing that you are going to have to do to make sure that you are ready for the job is to get your moisture proof barrier installed. This is something that you will apply directly to your wood sheathing. With this barrier, you will be able to no longer have to worry about wood decay. Wood decay is something that will happen whenever there is wet concrete or plaster that is applied to the area.
It is a good idea for you to check the building codes in your clock how to tell time for kids so that you can get the correct type of material for the barrier. Once the sheathing is in place you want to use building paper over it.
This will create a waterproof area to work with. The paper should overlay at the seams by at least how to make rissoles stick together inches to prevent moisture from bleeding through. You can use a staple gun to attach the paper. Once you have your moisture barrier where it needs to go you will then be able to begin work on installing your casing beads, weep edges and corner beads.
You will also need to make sure that you install your expansion joints as well. Whenever you are applying your lath accessories you will need to make sure that you either staple or nail them into place about every foot and a half. If the type of lath that you are using is not self furring, then make sure that you have furring strips that are nailed into place once everything else has been applied.
With the sheathing in place and papered you can work on the lath. Use two inch nails to attach the mesh to the sheathing layer. The mesh needs to be overlapped at the seams just as the paper was. You also want to nail in the how to install stucco lath every 16 inches, both horizontally and vertically to create more support. You will need to make sure that your metal lath is hung horizontally. The joints that are made between each of your panels need to be laid in a type of a brick how to get your birth certificate replaced. The seam that you use between your first and second panels that go on the bottom of your wall need to fall right in the middle of your panel.
You will then put them directly above them immediately following this. Your metal lath that is expanded will come with a mesh that is diamond shaped.
For you to be able to have a proper holding base for your plaster or stucco, the pockets that are formed by your mesh need to face up. The mesh that you are using needs to feel rough whenever your run your hand down it and smooth when you run your hand up it.
What You'll Need. Plywood sheathing. Moisture proof barrier. Roofing nails. Furring strips. Shears or circular saw. Set Up the Sheathing Stucco is going to require a base as well as the metal lath.
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Stucco Installation Over Masonry:
Stucco walls typically have three coats of plaster. Without the proper support, the force of gravity pulls the stucco off vertical walls. This metal mesh product, installed in sheets under the plaster, has tiny metal cups that catch and hold the first layer of stucco.
Once a solid foundation layer is in place, the two remaining layers of stucco have a solid foundation and are less likely to crumble.
Measure from the floor to the the lowest point on the wall where you want to install the stucco stop. Mark the wall in several places to ensure the stucco stop will be level. Align a chalk line with the marks on the wall and snap it. Snap the chalk line again if your line was not level the first time. Align the bottom, angled edge of a stucco stop along the chalk line. A stucco stop is an angled strip of metal that is a plastering guide and serves as trim for the bottom of the stucco application.
Set the angled edge of the stop so the nail holes face upward and are against the sheathing. Attach the stucco stop to the sheathing by nailing galvanized roofing nails through the openings in the stop.
Ensure that the nails are long enough to penetrate at least 1 inch into the studs or wall sheathing. Overlap the ends of the stucco stops at least 1 inch as you continue to place them along the chalk line. Nail each stop into position. Cut the stops to fit, if necessary, using tin snips.
Place metal lath starting at the lowest right-hand corner of the wall. Set the bottom, horizontal edge of the metal lath into the stucco stop. Secure the lath to the sheathing with galvanized roofing nails. Ensure that the nails are long enough to penetrate the sheathing and go least 1 inch into the studs. Space the nails approximately 7 inches apart, both horizontally and vertically.
Overlap the next piece of horizontal lath to the left of the first piece of lath. Lap narrow ends by 2 to 4 inches and secure the overlapped ends with roofing nails. Cut the lath to fit, if necessary, using a pair of tin snips. Hang the second horizontal row of lath so that no vertical joints align with the row below it.
If there is short section of lath left from the first row, start the second horizontal row with this piece. This will keep the joints staggered. Overlap the bottom edge of the second horizontal row over the top of the first horizontal row by at least 1 inch.
Continue hanging this and subsequent rows of lath until you cover the wall. Place corner-bead strips over the outside corners. Nail the beading in place, spacing nails no more than 7 inches apart.
Denise Brown is an education professional who wanted to try something different. Two years and more than articles later, she's enjoying her freelance writing experience for online resources such as Work. Brown holds a master's degree in history education from Truman State University.
By Denise Brown. Related Articles. Use expansion joints horizontally or vertically every 18 feet, or wherever the wall joins two different materials. These devices nail in place like stucco stops. The expansion joints help the stucco finish expand and contract, and help prevent the stucco from developing cracks.
Wear protective gloves as you handle metal pieces.