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While paint does tend to somewhat glue these pieces together, caulking them is never advised and can cause permanent damage. Water is meant to exit through the bottom of each board. The bottom of siding boards should not be caulked We need air circulation behind these boards and the opening acts as a water exit, should water ever go behind the boards.ĭesigned to let water out of your windows, these small openings should never be sealed. On most new homes, the trim goes up after the siding is installed, which creates a large gap that should not be caulked.
#Caulking a plaster ring install
In the old days, the builder would install the trim, bring the siding up to it, and caulk the corner. Minneapolis House Painters recommends paying attention to corners and crevices as well as trim boards around windows and doors. It’s also recommended to use a cloth or rag ready to wipe up and smooth excess caulking before it sets on the siding What should never be caulked! Trim boards that sit on top the siding. Anything that might one day allow moisture to penetrate will be sealed. Caulking them is a mistake and the caulking is likely to fail prematurely. The panels on your garage door require room for free-play. While a DIYer or a novice painter might attempt to produce a cleaner look by sealing all gaps on a wood garage door, garage door panels are designed to move. Garage door trim – but never any part of the garage door itself
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This is again to prevent moisture from penetrating into the crack/joint, but it also adds to the overall appearance of the surface. Pretty much all trim joints need to be sealed. Some manufacturers do not require the metal flashing, therefore, we caulk the butt joint to keep the pieces together and also prevent moisture. Fiber cement boards are caulked only when there is no metal flashing behind them. We only caulk butt-joints on cedar siding if previously caulked. Natural siding boards are designed to expand and contract with the elements and we do not want any adhesive to prevent their natural movement. NOTE: Generally, we do not recommend caulking butt-joints on cedar siding. Should they always be caulked? The answer depends on the manufacturer, and installation method used when the siding was first installed. We can use quality sealants to prevent it from penetrating and causing any damage to the structure. Moisture likes to hide in corners, edges, and under ledges. ( Jump to “what should never be caulked” section) Caulking Corners
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Related article: What type of caulking and what color What must be caulked In this article, we will go over typically caulked areas on the exterior typical Northwest style homes, and also areas that should never be sealed. In other words, caulking is applied where moisture would otherwise penetrate and causing leaks and deterioration. Caulking – This page is intended to be a supplement to your estimate document.Ĭaulking is a sealant that fills gaps, cracks, nail holes, and similar imperfections on the surface.