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Patio Door Seals Replacement Over time, normal wear and tear or other problems can cause the seals on patio doors to deteriorate and let cold air in homes. Replacing the seals is a simple project that can help homeowners save money on energy bills. Felt weather strips are inexpensive and simple to cut with scissors or a knife. It is available in different thicknesses and types that include pile strips made of different types of fabric. Bulb Threshold A solid threshold can function as a thermal bridge that effectively transfers cold and heat between the inside and the outside. This can result in high energy bills, drafts and even infiltration of bugs. Consider using a frost brake threshold that separates solid materials with silicon or vinyl inserts to create physical divisions that block the flow of warmth and cold. Recent studies have proven that the threshold is actually lower than 35 degrees Celsius. But, this wet bulb temperatures is extremely hazardous for those working outdoors or aren't able to access indoor air cooling as well as for seniors and anyone with underlying health issues. To determine whether replacing sealed units for your patio door is sealed properly, place a candle or incense stick close to the threshold during a windy day. If the smoke or flame flows to the side of the door it isn't sealing and should be replaced with weather stripping to create a better seal. A U-shaped sweep that compresses against the threshold of the door after closing can be screwed or nailed to the bottom. This will stop drafts, and shield from insects and other critters. Felt Felt, a nonwoven material made of natural or synthetic fibers is commonly used to form the base layer of a door's weatherstrip. The fibers of felt are interlocked together to create a dense and matted material that's water-resistant, durable and soft. It's also fire-resistant and insulating which makes it a great choice for a variety of uses. This type of weatherstrip is typically placed between the frame of the door and the door. The felt provides a tight seal to block drafts and air leakage. This can be a problem for homeowners as well as cottagers particularly when the seasons change. Drafts and air leakage can lead to high energy bills. Thankfully, this problem is easily solved by replacing the weatherstrip of your patio door, which can be done quickly and efficiently using the right tools and materials. The most commonly used type of weatherstripping used for doors is called “felt,” and it's available in a variety of widths and sizes to fit into any typical patio doorframe. Unlike other types of weatherstripping, felt is a nonwoven fabric that doesn't have warp and weft threads as woven fabrics do—meaning it will not fray around the edges and cutting it will not alter its strength as an entire. It is also extremely dense and thick, which makes it a good insulator and soundproofing material. It's believed that felt was originally invented by nomadic tribes and it is still a fundamental part of a variety of cultural traditions. In Mongolia, felt is still being used to construct yurts, as part of a tradition that goes back many thousands of years. Felt can also be used to make beautiful coats, hats and other crafts materials and even a rug pads. To put new felt on the doorframe, you must remove any existing weatherstripping by using a screwdriver or a utility knife and scrape off any glue or adhesive. Then thoroughly clean the region around the doorframe using an abrasive cloth and an abrasive cleaning solution such as rubbing alcohol to get rid of any dust or other debris. You can also use a tape measure to ensure that you're creating an exact and smooth surface for the new weatherstripping. Weather Strip Most patio doors feature a weather strip along the frame edge that creates an even tighter seal when the door is closed. Over time the weather strip may be damaged or worn out. This lets air and moisture to enter the home, causing damage to flooring and furniture. Replacing this weather strip will prevent drafts, improve energy efficiency, and help protect the items stored from the elements. This project can be completed with a variety of materials including felt which is cost-effective to high-performance polyurethane. When choosing a material to use, consider the durability, longevity, and ease of installation. Self-adhesive foam tape is an easy option for do-it-yourselfers, while interlocking metal weather stripping requires more expertise and skill to properly install. Before starting the project inspect the old weather strip for signs of deterioration or damage. If the seal appears worn or tattered and needs to be replaced, it must be replaced with a fresh one to maintain its effectiveness. After the old weather strip has been removed, clean the area to eliminate any remaining “sticky goo” or adhesive residue that could impede the smooth and precise finish. To ensure that the new weather strip seal fits correctly the length and wideness of the frame should be measured. Cut the new weather strip with a sharp utility knife or scissors, following the edge on a scrap of paper as a reference. Make sure that the cut is exact and straight; an angled or jagged cut could result in an unfitting door seal. Test the new weather strip thoroughly when it is installed. Open and shut the door a few times, making sure that it makes a snug watertight seal around all corners and sides. Seal any holes or gaps with outdoor-rated caulk. This step should be performed at the evening, after the sun has set and the door has been shut and secured. Have a friend or family member stand outside and shine a flashlight around the perimeter of the door. If you can see any light shining through the weather strip, it is time to replace it or adjust it.