Wood, Wallboard, Paneling, Plywood. The product I am using says cement board, thinset w/ a notched trowel on the walls and back butter the stone veneer. 1. This aids in keeping the stone face clean of mortar. As a further note, when in doubt, install the metal lath … See Figure #1. Before nailing down lath, be sure building paper is installed smooth. expanded metal lath needs to lap over the expanded metal lath that is applied to each adjacent wall surface by a minimum of 4 inches. Done We like the dry stack look so I don't think we need to squeeze mortar into the joints, right? Apply a thin layer of mortar to the back of the stone, and then press it entirely into the texture, somewhat in the manner of lightly buttering bread. Do not allow mortar on stone surfaces to dry completely. Install Metal Lath: Metal lath is an acceptable surface that will allow you to apply veneer to brick. Can i install stone veneer over painted brick without using metal lath. Brush off any mortar spots from the face of the stone veneer. For the metal lath, attach 2.5 lb. Starting at the bottom, staple builders felt in the areas where the veneer will go. Apply a 1/2-inch scratch coat of mortar over the metal lath and allow to dry completely, 24 to 48 hours. Our natural stone products have been used as a decorative top layer on prefab buildings of all kinds, including marinas, warehouse/industrial space, and even prefab railway sheds that sit along train lines in remote areas to house control and safety equipment. Stone Veneer Installation Instructions. All content, images, and website material Copyright 2020 Norstone USA. Lath needs to be tight; any bubbles should be nailed or stapled down to prevent “bounce”. Preparing Your Stone for Installation. Be extremely careful to follow the manufacturer’s recommended application instructions. Norstone's New Dimensions in Natural Stone blog aims to discuss design themes, sources of inspiration, and how the world around us influences our creative interpretation and buying preferences. Loose mortar and mortar spots should not be allowed to dry overnight. With either method, the first step is making sure the surface is clean of any contamination, such as dirt, rust, paint, etc. Stop metal lath 1″ from finished edges. Apply 1/2 inch thick scratch coat, allow 24 hours to dry, and apply the Natural K2 Stone Veneer. After the stone has been applied to the surface, fill a grout bag with mortar and as in decorating a cake, fill the joints with mortar. This layer should be four to eight inches thick. 3. Do not use wire brushes. A bare, untreated, unpainted foundation wall gives your home an unfinished appearance. Scratch the surface with a rake or masonry tool to prevent having a smooth surface. Allow mortar to become “crumbly”, then remove with a trowel or brush. ... Metal Lath ASTM C578 - Standard Specification for Rigid, Cellular Polysty-rene Thermal Insulation If the flange only sticks out an inch or two, and the overwhelming bulk of a stone veneer unit or natural stone tile is going to be adhered directly to the masonry wall substrate (block, brick, cement board, etc), then extra consideration about adhering stone to the metal substrate is probably not necessary. Tip: Install the corner stones first starting at the bottom and working up. Bricks, Masonry, Cinder Block, Paving & Walking Stones, Asphalt and Concrete - Orientation of Metal Lath for Fireplace - I'm getting ready to start building a stone veneer fireplace inside my home. Starting at the bottom of the wall, the lath should be installed horizontally with the cups facing up to allow the lathe to catch and hold the scratch coat. (or heavier) diamond mesh expanded metal lath. (anchors), install them before proceeding to the next step. Same installation techniques apply, though flashing and weep screeds may not be necessary. How to Install a Stone Veneer Wall: In this video we will walk you through the entire process of installing stone veneer including proper substrate preparation including installing a moisture vapor barrier and metal lath. When necessary, stones can be cut and shaped with a masonry hammer, masonry saw or nippers. Careful and proper installation is important for ensuring the long-lasting beauty of your Cast Natural Stone. Sandblast or waterblast previously coated surfaces to thoroughly clean them. If you have a brick fireplace, it is possible to sand the brick down, so it is porous and able to hold the stone veneer around fireplace surfaces. However, before delving into the crash course on how to do it, let’s first take a look at what exactly it is. Can i install stone veneer over painted brick without using metal lath. expanded, galvanized, metal lath to each stud 6” on center-vertically, penetrating the studs at least one inch. Preparing the surface area: Stone veneer can be installed directly to clean, unpainted or unsealed brick, concrete block or poured concrete interior and exterior surfaces. Coronado Stone Veneer Adhesive Bond Coat As Per Mfg. A helpful tip: mark level lines 6” to 12” apart in mortar, using a level and trowel, a string, or a chalk line to … The metal lath can be cut to fit your wall or siding area. Apply 1/2 inch thick scratch coat, allow 24 hours to dry, and apply the Natural K2 Stone Veneer. The surface should feel rough as you rub your hand upward. Continue installing the stone underneath the sill covering the legs of the "L" brackets. Install wire mesh for manufactured stone on masonry surfaces using concrete fasteners. Be careful not to work the joints too soon. Stone Veneer products are referred to as Adhered Masonry Veneer. If your structure is sound, all you need to do is install the stone veneer over the stone or bricks already there. Cover the metal lath with scratch-coat mortar. Step 3 - Install the Metal Lath. Use flashing, metal lath, and adhesive to affix receptable and light boxes. Cover the metal lath with a uniform layer (a minimum of 3/8 inch). Lath attached over continuous insulation and into steel studs using 1 ¼” dia. 1/2” Rigid Insulation Sheathing Studs 16” O.C. Once the metal substrate is clean your two options for installing stone veneer are to either tack weld a wire lathe to the steel and then build out that layer with thick bed mortar mix, which will set and then the stone veneer can be applied to using a traditional cementious based thinset. 4. For ... and smooth when rubbing up. All rights reserved. Be sure to cover the entire back of the stone with mortar. Installing Stone Veneer over a Metal Substrate. With a full bed mortar system, the stone can be laid to look exactly like full thickness, without all the weight. Install stone veneer by applying a ½ inch thick layer of mortar to the entire inside surface area of the stone. Metal lath and accessories for stucco and stone. Be sure to attach the lath horizontally. Improper installation of metal lath. Covering the Metal Lath. See Figure #1. Only the screws that attach to the studs are counted to meet code requirements. Improper installation or inade-quate number of expansion joints. Use a tuck pointer or similar object to clean the edges of each stone to prevent cracking of the grout. Backed by their 50-year panel warranty, this product is too good to pass up. Use galvanized lath for exterior applications. Grout bags are available from your supplier. You need weather-resistant barrier, metal lath, and scratch coat before fixing stone veneer pieces on the wall. Screw, staple or nail the metal lath to the studs. Apply 4 brackets for 48" lintel. Note: Painted, sealed, dirty & smooth surfaces/ Metal lath should be applied horizontally per manufacturer’s instructions and should overlap 2” with a minimum of 1” on the horizontal and vertical seams. Overlap the metal lath at least 1/2” for horizontal and 1” for vertical joints. It is recommended to check building codes for requirements and/or restrictions. To remove dirt, smoke or other stains, use a mild solution of granular detergent and water. Click the Video below to learn how to properly install metal lath and thin stone veneer. /sq. expanded, galvanized, metal lath to each stud 6” on center-vertically, penetrating the studs at least one inch.