19661 96 Ave., Langley, BC V1M 3C9
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DAP
DAP is available at the Atlantic Paint Langley location. We carry products such as DYNAFLEX 230, DYNAFLEX ULTRA, DAP ALEX PLUS, Kwik Seal Ultra, Kwik Seal Plus and Kwik Seal. Why are caulking products notorious for cracking? If you have ever used caulking products, you may be wondering why some are prone to cracking. The main reason for this is when there is tremendous substrate movement. Some applications are for locations where there is a high degree of joint movement. This can cause issues if your product does not offer maximum flex. For these applications, we recommend using DYNAFLEX ULTRA, DYNAFLEX 230, or DAP EXTREME STRETCH. What makes paint films crack when applied to caulking? The cracking appearance can wreck your finished result. In certain cases, it isn’t the caulking that has cracked. It may indeed be the paint on top of the caulking that is cracked. Flat latex paint can be a brittle coating. If it is applied on top of a caulking product or a substrate that is more flexible. Joint movement during construction may create cracks in the surface coating that is not as flexible. Why are clear acrylic and latex caulks and sealants are white when first applied? How long does it take this caulk to clear? Is this standard with all clear caulks and sealants? Depending on humidity, temperature and the depth of the joint, they will turn clear in seven to fourteen days. If you are seeking clear from go, try the DAP 3.0 Sealants Line, DAP Ultra Clear Flexible Sealant, 100% Rubber Sealants and Sidewinder. These products will apply and clear and dry the same. How long is the recommended dry time for most latex and acrylic caulks before you can paint over? Always check the product label for the recommended dry time. The majority of acrylic latex caulking can be painted roughly two hours after application. This always needs to factor in humidity, temperature and joint depth. Any clear latex or acrylic caulks need to turn totally clear prior to painting for the best finish and adhesion. Can I use any good quality caulk or sealant for bath application? Or do I need a specific kind? It is preferred to use a caulk specifically formulated for the bathroom to handle the increased moisture. These formulas offer better resistance and protection against mildew and mold. Most sealants and caulks will offer decent adhesion; however, it is best to rely on high moisture contact formulations for bathroom locations. Why do some caulking products crack after they have been applied? Sometimes a joint is overfilled with too much sealant or caulking. If it is in excess of a half-inch depth or width, the product can shrink as it dries and produces a cracking effect. To prevent this, use a foam backer rod in deep joints that are more than a ½” inch. Conversely, when joints are filled with not enough sealant, as in less than 1/8” inch depth or width, the caulk doesn’t have the capability to accommodate any joint movement. This also makes it prone to cracking. Ideally, sealant or caulking should bridge the joint when applied correctly, attaching to both of the joint sides. If the caulking touches three sides of the joint, it will prevent the sealant or caulk from moving freely. In the event of joint movement, the sealant or caulking can fail to bond on one or both sides. This can result in a “split” within the bead and unsightly cracking. What is the cleaning solvent recommended for DAP 100% Silicone Sealants? Prior to curing, the DAP 100% Silicone Sealants can be taken off with paint thinner or mineral spirits. Once the sealant has dried, it needs to be physically removed via scraping, cutting, or scouring with plastic, scratch-free scouring pads. Can sealants and caulks be stained? Unfortunately, no. Most stains work by penetrating the surface. The majority of caulking allows the paint to bond as a think surface layer film, although stains are in a different category. The caulking doesn’t absorb the stain as the sealants’ surface stops the stain from being able to penetrate.
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