Installing skylights is one of the most effective ways of increasing light in the home. Many homeowners select this as it also adds an aesthetic value to the home besides making it look more spacious. There are different common mistakes that people engage in while they are installing these devices thereby reducing their effectiveness and functionality. One of the most basic things is that the homeowner should avoid using improper installations. This will lead to skylights that do not close properly and thus they may allow the entry of moisture into some of the barren spaces of the window. When this happen they should not use roofing cement or caulk as it will worsen damage. The best course of action is contacting a professional for reinstallation. The other common mistake is the use of generic sealants as this are not durable and overtime they will lead to leaking. To avoid this, the homeowner should select the types of sealants that are recommended by the manufacturers as it will save them from the problem of leakage and will save them quite some money. The applications of these adhesive and sealants should be done with caution to ensure that they are properly applied and to prevent exposure to problems such as leaking.