Frequently asked Questions

Matthews Roofing’s professionals are experts at diagnosing your roofing needs and designing solutions. As with any business, there are a number of frequently asked questions or (FAQ’s) pertaining to the roofing industry. These are just a few of the questions we often hear.

What kind of roof do I need?
There are so many types of roof systems and membranes available. Most membranes are specifically suited to a particular structure or situation. This can depend on how much foot traffic there will be, how much and what kind of Mechanical Equipment is on the roof, will the roof be highly visible and is solar reflectivity an issue.

Must we tear off an old roof before installing a new one?
It is always good for long term results, to tear off an existing roof system. You should always tear off the existing roof if your insulation is wet or deteriorated, or if there is any concern about the condition of your underlying structural deck. Moisture trapped within the old roof will, in most cases, prematurely deteriorate your new roof system. The drawbacks to a complete tear off are a higher cost and possible inconvenience or disruption of your interior occupants.

If the existing construction is sound and you want to save money, you can often leave the roof in place and install new materials over it. This is subject to city codes and restrictions. Matthews Roofing’s non-destructive moisture detection instruments can help determine the condition of your existing insulation.

Should we add insulation?
Most roofs that are now ready for replacement were built before energy conservation was important. Although added insulation will increase the cost of your roofing project, often the energy savings over the life of the roof will cover the cost of the added insulation. We will check the building codes in your area to determine the required “R” value for roofs of new buildings, or if your existing roof is torn off prior to replacement.

How long should my new roof last?
This depends on the roof design and how well it is maintained. Your new roof must be properly maintained. Proper maintenance includes making sure the drainage is clear of debris, maintain a good quality coating on the membrane, and keep flashings in good condition. This will extend the useful life of your roof.

Is a built-up or single ply roof better?
Either type of roof, if designed and installed properly, will perform well. The costs are dependant on the circumstances of your project. The three main considerations are the size, detail work involved, and the accessibility to the site. Often a single-ply membrane will be the roof or choice. There are numerous types of single-ply systems available and different methods of installation for each. Please feel free to discuss your situation with any of our roofing specialists.