Over the past twenty five years Prep Contractors has made sure that they have been there for all your home improvement needs. Working with the homes of the Plymouth NH area since 1997 we have made sure that you have a dependable contractor to help meet all your home improvement needs. We are there when you need additions made to your home and have experience with adding family rooms, bonus rooms, 2nd bathrooms, and mud rooms. We have the knowledge base to assist you with your roofing needs as well no matter if you need asphalt shingles or metal. We are accomplished in assisting with window replacement, window repair, and new window needs that you might have. Prep Contractors is skillful in any roofing, siding and window work that you might need. This would mean that we will be able to help you no matter if you have cedar siding, vinyl siding, or aluminum siding. We are able to install, repair, and replace siding and windows with ease that come with years of experience.