A common problem that homeowners have with cedar siding, however, is extractive bleeding or tannin staining. It can happen with just about any wood siding, but it is especially noticeable with redwood and cedar sidings. Be careful! Recommendations that are useful in the maintenance of your cedar siding are as follows: 1. • Rinse the wood with a pressure washer. Make sure there is proper venting and flashing in the soffits, siding, and roof.6. • Allow the primer to dry before applying high-quality paint. There are other possibilities as well. Your health and safety are our highest priority during this time. This natural phenomenon is not caused by the coating itself. There are several precautions which need to be taken in order to minimize extractive bleeding, but it will usually occur to some extent in about the first year after the wood has been painted. Cedar bleed occurs when the natural tannins in the wood are drawn to the surface and deposited on the exterior face of the substrate. How to Clean Painted Walls Without Damaging Them? • The surface of the cedar must be adequately primed and sealed; this includes all edges and cut ends. Oxalic acid is poisonous and can burn your skin and eyes. Hartford Web Design and Search Engine Optimization SEO Marketing. Woods such as redwood and cedar derive their durability and weather resistant characteristics from these chemicals. Fall & Winter are Ideal for Home Interior Painting Projects. Do you have a clue as to what is happening? There are now stain blocking primers on the market that will effectively reduce the cedar bleed. To cure or eliminate cedar bleed you would have to eliminate the wood itself. By sealing the entire piece of wood, it becomes virtually impossible for water to enter the wood and dissolve the extractive chemicals. You can either spot prime or apply full coverage. These types of paint can create problems with extractive discoloration. All locations are individually owned and operated. 2 Eastview Drive, Farmington, CT 06032, CT House Painting by Frank Campanelli | Hartford Web Design and Search Engine Optimization SEO Marketing. Should you decide to paint redwood in lieu of staining, this sealing process or back-priming is absolutely essential. Allow the property to dry completely after power washing (5-10 days)4. The stains at each nail head are being caused by a chemical reaction between the extractive chemicals and the iron in the nails. Be sure to use a plastic bucket to mix this solution. Five Star Painting is a Neighborly company. Blisters can only form if water has soaked into the wood. Sign up to my newsletter to receive expert advice for your home! Remember, the end grain of a piece of wood is where water can most easily enter. To make sure the staining is done correctly the first time or to fix existing problems, allow our professional home maintenance staff to help you with any cedar bleeding and tanning staining issues that you may have. We will show up at the scheduled time and complete the job in the allocated term. © 2020 Dwyer Franchising, LLC All rights reserved. Home owners are now paying the penalty for these strategies. • Using a top-quality wood primer that’s designed specifically for stain-blocking, prime the wood. Follow this with a solution of four ounces of oxalic acid crystals dissolved in one gallon of warm water. In other situations, high quality cedar siding was installed in a way that resulted in premature deterioration and associated failures. Unfortunately, many of the structures that were built with cedar siding in the last twenty + years were sided with inferior wood. 7 Calming Paint Colors to Soothe Your Soul, Why You Should Consider A Monochromatic Color Scheme. In the case of painted wood siding, the sealing process also prevents blistering of the paint. In order to be able to act in the face of this problem, associations and home owners must realize that a paint job cannot cause cedar bleed any more than it can completely cure it. A few weeks ago dark brown streaks began to stain the siding. Fortunately, however, steps can be taken to alleviate the cedar bleed. The methods for avoiding and removing tannin staining can get complicated and confusing if you are not experienced in this type of work. Click here for our precautionary measures. Construction techniques that diminish the quality of the cedar siding include:• Installing cedar that was not allowed to cure properly before being put into service;• Installing cedar that was not pre-primed on all edges (including cut ends) prior to being put into service;• Use of nails other than stainless steel ring shank fasteners; and• Lack of proper flashing and water infiltration prevention resulting in excessive moisture behind the siding. For cedar siding, it’s essential to use nails that are either stainless steel or hot dipped galvanized. The primary cause for tannins to bleed to the substrate’s exterior is moisture. Certain services are subject to state and local licensing and may not be available at all locations. The reason this sealing process is necessary is quite simple. Due to its high visibility, cedar bleed can often be the symptom that alerts associations and their contractors to a greater problem. I. L. DEAR I. L.: I'm afraid I have some bad news for you. This water could have been water vapor that condensed on the back of the siding after it traveled through the walls of your house. Then allow the repellant to dry and fill each hole with exterior wood filler. Be sure to seal the cut ends of each piece of wood as well. In fact, the California Redwood Association recommends that this practice be followed with any exterior finishing system. In your situation, water from several possible sources got behind the siding. Painting is just one of many home maintenance solutions available to you. Keep away from plants as well. • The paint you use should not be water-based latex stain or paint, since these products use water as carriers. Mix one cup of trisodium phosphate, one cup of bleach and one gallon of water and wash the siding with this solution. We always make sure to clean up our work area. There is a way to virtually eliminate extractive bleeding stains. • Determine whether there are any issues creating excess moisture and correct them. • The primer used must be tannin-stain-resistant. Cedar siding is an excellent choice for a home’s exterior. When the solution dries, rinse with fresh water. The natural breathing of the building combined with the evaporation process facilitates this whole process. Cedar bleed or bleeding of the tannins in the wood, is one of the most common problems we experience in the residential painting business. The current building owners usually realize that they would have been better off paying slightly more for a better product up front. Complete the form below and each week you'll get: Unsubscribe at any time. Apply one full coat of oil base stain stopper primer and one coat of 100% acrylic solid stain OR7. The water then possibly traveled down the back of the siding and dissolved some of the extractive chemicals. When we provide pricing for the job, we will stick to it. or at our main office number 860-678-7701 Subscribe to the FREE Ask the Builder newsletter to receive professional advice for your home. The use of inferior types of siding and trim is usually a result of trying to cut corners to build at the lowest possible costs. If the wood does not have a moisture content of 15% or lower before it is treated, problems will arise with excessive staining. Wash the wood with this solution and let dry. Cedar is beautiful, durable, and naturally resists decay. The good news is that there are ways to remove or hide the staining and prevent the problem from continuing. Cedar bleed is perhaps the most visible of the problems that are cropping up. The shingles should have been primed on the back before being installed. These tannins are often observed as a reddish-brown discoloration. Caulk any areas on and around the trim that might allow moisture into the substrate (note that areas between clapboards and trim may need to be left open to allow proper breathing/moisture escape).5. Apply two full coats of a premium stain-blocking 100% acrylic solid stain such as Woodscapes by Sherwin-Williams. Moisture is the leading cause of discoloration in cedar siding. • Use oxalic acid or oxalic-based solution to remove the stains. Weather conditions determine how long the drying time takes. Follow this with a solution of four ounces of oxalic acid … However, these chemicals can dissolve quite easily in water. If you are experiencing a problem with cedar bleeding on your home, contact your Five Star Painter to receive expert advice and a free estimate for the professional maintenance. But another strategy is to countersink each of the nails and swab the holes with top-quality water repellant. Redwood and cedar are forest products which contain naturally occurring chemical extractives. Cedar bleed occurs when the natural tannins in the wood are drawn to the surface and deposited on the exterior face of the substrate. I am also beginning to notice blue-black stains at each nailing location.
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