1 One gallon of roof sealant might cost $15 to $30 per gallon, with one gallon covering anywhere from 100 to 150 square feet. 2  On a 1,500 square foot roof, that s a total material cost of around $250 to $300.3  Labor costs might be as much as 50 cents per square foot ($750).he following prices are only meant to provide a general estimate of roofing sealant costs. 1  Professional application of roofing sealant costs approximately $1,000 to $2,500. 2  One gallon of roof sealant might cost $15 to $30 per gallon, with one gallon covering anywhere from 100 to 150 square feet.
So today in this topic, we'll tell you the procedure to find out installed version of .NET Framework in your Windows. There are 3 easy way to find out the version of .NET Framework installed in your system: Using Windows Explorer. Using Registry Editor. Using Command Prompt.
In general, you should not uninstall any versions of the .NET Framework that are installed on your computer, because an application you use may depend on a specific version of the .NET Framework. For more information, see The .NET Framework for users in the Getting Started guide.The .NET Framework 4.5.ther applications on your computer are not compatible with this program. The most likely cause of this message is that a preview or RC version of the .NET Framework was installed. Uninstall the preview or RC version and rerun Setup. .NET Framework 4.5.