How to Paint Exterior Masonry Walls Part 1 How to Paint Exterior Masonry Walls Part 1
Painting your exterior masonry walls is a decision that should be made for the purpose of aesthetic reasons and equally to consider the need for a moisture sealing agent. While wanting things to be pleasing to the eye, preservation of your masonry surfaces must be taken into consideration when choosing an application or finish. Once a choice has been made regarding what look you wish to achieve for your exterior masonry walls, you may purchase your painting products to complete the job.
What You Should Know Before Painting Masonry Work
Before you apply any products to a newly built masonry wall, you must allow six to eight weeks for the purpose of curing any mortar or concrete. Curing is the process of drying and hardening of masonry structures to obtain optimal weight distribution. Hardening of concrete type masonry work is part of the process to create a strong and well balanced structure. Adding rebar to the center of concrete structures gives it even more sustainability. Any attempt to apply products prematurely to masonry surfaces before it has cured out completely, will lock in any unreleased moisture. Making this mistake can be a costly one because it is very likely structural damage and breakdown will occur. Another threat when sealing moisture into a surface, is the possibility of black mold becoming trapped inside masonry work This will cause a continual growth of this mold in and around mortar lines, This problem is very difficult to remedy.
Product Information and Overview
If your masonry work contain porous surfaces, you may wish to reduce its textured surface.. To create a smoother surface, using block filler. Block filler is a high performance product containing vinyl, acrylic, and, latex. It is, by far, the best solution for filling in small cracks and porous surfaces. This products intended use began some years back primarily used as a filler for cinder block. This is the reasoning for its name. Since then, block filler has broadened its horizons to include most masonry surfaces such as concrete and brick. The consistency and appearance of block filler is comparative to Elmers glue. Do not worry about difficulty in applying this product because it can be diluted with water at a ratio of ½ pt. for each gal..of block filler.
Application of Block Filler
Block filler can be applied using many different methods. Spraying block filler with an airless paint sprayer is only one method of applying it. It must be diluted following the ratio of ½ pt. to 1 gal. of block filler. This product may also be applied with a paint roller using a heavy nap roller sleeve. (1 in. to 1 ½ in. thickness) The term sleeve refers to the woolly tube that is slid over the roller frame, used to apply block filler or paint to a wall. The other way you may apply block filler to a surface is by using a paintbrush. If you find it difficult to spread and cut in, diluting it at the same ratio as above will make for an easier application. No matter which application method you choose to use, after completion you must give it a dry time of at least overnight. Once your block filler has dried completely, you may begin painting your exterior masonry walls.