Sometimes we see roofs that have two layers of shingles. Not completely a huge deal other than tearing off two layers of shingles will raise a new roof price, but having four or maybe even more layers is just plain crazy. Some building codes do not allow more than one layer of shingles and some allow up to two, contact your local building code office for requirements in your area. When you put extra protection for the underlayment like doing 30# felt instead of 15#, there is really no need for another layer. There are many reasons why it is not a good idea to keep adding layers.

When commercial building owners are investigating the different roofing systems there are available to them, one thing that should really stick out in the process is what kind of warranty is offered. There are many companies that either have the same material type or offer other type of systems. For instance there is TPO and PVC that have some similar aspects but are also very different. For more information on the different roofing systems that can be used for commercial flat roofing check out this blog Flat Roof Materials.

Often buyers and sellers are negotiating price, especially when it comes to repairs that need tending to. Whether you are the buyer or seller you need to ensure the roof is intact and in good condition. Sometimes the buyer will offer to repair or replace the roof and sometimes its up to the seller to do. So what should you do and look for as a buyer or seller?

There are warranties for almost every roofing material, especially if it’s a full system from that manufacturer ranging from 5-30 years and even some have longer periods. Having a warranty for the product you have decided to have installed on your roof can be very important and a must for commercial building owners. Some products have warranties for commercial project but not residential. It is always best to ask your contractor about warranties before you decide on a product.

When it comes to deciding what type of roofing system you should have or replace your current roof with on commercial roofs, there are many options to choose from and can be mind boggling when trying to decide. So how do you decide and what should you consider in making your decision? Each type of flat roofing system has its own advantages and disadvantages, the key is to consider what your roofs needs are. Where your located, the use of the roof, climate and roof maintenance. Here are some factors that you should consider when purchasing a new flat roof system or replacing one.

Is your commercial buildings metal roof worn down from aging or damages from elements? Had leaking? Rusting? Or already has had to have too many repairs to seams and penetrations? If this is you then maybe it is time to look into another option like Duro Shield Metal Retrofit from Duro Last.

Trying to choose a contractor can be exhausting sometimes. There is so much you have consider like licensing and insurance. When you contact a roofing contractor to get an estimate, there are some costs that are included or should be included when the contractor does his estimate. You should ask questions to see if you are getting what you paid for.