The installation process for a lag shield into concrete brick or block includes four steps. Like ben said though sinking 4x4s or 6x6s into holes filled with concrete right next to the stairs will be the most stable option for wood.
Be sure to have plenty of extra bits on hand and use a can of compressed air or a blower to clean dust away from the drilled hole.
Best way to mount railing into mason brick. 8 Insert 316-inch by. They are set into the brick by driving the nail with a hammer into the anchor body and the anchor body expands against the walls of the hole in the brick. Set up the power or cordless drill with a 316-inch masonry drill bit.
Then if the bricks ever need to be repaired your posts can stay where they are. You will need to drill a pilot hole when using any type of concrete anchor. 6 are used to attach fixtures to solid masonry and are usually installed in mortar joints.
First determine the quality of your bricks. Add a screw to the middle of the masonry anchor by drilling it in. I suggest using a 516 stud long enough to get through the brick and into your substrate a minimum of 1 embed into the substrate.
The bit diameter should be the one recommended for the lag shield diameter being used. Nylon-Nail-its – are a light-duty type of brick anchor that has a nylon body with a steel nail. Drill 2-inch-deep holes for embed anchors in the face of the brick at each of the nail-marked locations.
Use only the screws designed for use with that masonry anchor because using a screw thats too big could damage the masonry anchor and using a screw thats too small may not provide the support you need. Second consider using a hammer drill instead of a standard drill. These two components act in a truss-like manner.
Small diameter sleeve anchors wedge anchors screws and lag bolt shields see Fig. The nylon nail-it is easy to install. Hammer drills offer the benefit of a.
By orienting the screws at an upward angle we were able to impose a tension force at the top of the rim and then the compression strut stops the ledger from bearing in on the brick. Drill a hole into the base material using a hammer drill and masonry bit that is carbide tipped. Use a hammer drill when installing anchors into hard surfaces such as stone concrete and brick.
If your bricks were formed with high amounts of sand ash or lime they may be more prone to cracking or blowing out. Follow the manufacturers recommendation as to which size hole to drill to receive the epoxy and threaded stud. Through the unit faces into hollow cells see Fig.
Regular drill bits will dull too quickly. Downside is that the post at the top of the steps may need to be 12 tall depending on how high your stairs rise. Attaching the Railing to a Concrete Base To attach your railing to concrete you will need a hammer drill to drill into the concrete a standard drill for drilling into the pipe an Allen wrench to tighten the fittings a hammer a tape measure hack saw vacuum extension cord and a sharpie marker.