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Denver Roofers

Since 1994, A to Z Roofing has built an outstanding reputation as a leading roofing contractor in Colorado. We earned this reputation by providing quality workmanship, using the finest roofing materials, and providing amazing customer service.

A to Z Roofing specializes in residential, commercial, and multi-family roofing and repair services. We are a locally owned Colorado company and have been operating continuously in Colorado for 25 years. We serve the roofing needs of the entire Colorado Front Range.

Your home or commercial property is one of the biggest investments you’ll ever make. When the time comes to select a contractor for repairs or replacement choosing the right roofing company is critical. Recent BBB statistics show more than 80% of roofing contractors are out of business in the first 2 years. A to Z has been operating for more than 24 years and has been an Accredited member of the BBB for 23 consecutive years and Maintains an A + Rating

Project Highlights

Frequently Asked Questions

That depends on the specific material the manufacturers’ shingle installation requires. For Instance, Owens Corning’s recommendations for installation of Owens Corning asphalt shingles in cold weather is when the air and surface temperatures are at or below 40°F  includes applying 4 spots of asphalt roof cement per field shingle (complying with the ASTM D4586, Type I or Type II). The four spots of roof cement should be evenly spaced on laminate (architectural) shingles approximately 1 inch from the leading edge of the shingle and pressed in placed. Take caution to ensure the asphalt roof cement does not squeeze out beyond the leading edge of the shingle. All shingles along the rake edge must also be hand sealed when ambient temperatures are at or below 40°F.
Shingles installed in cold weather may not immediately seal until warmer temperatures are present for the sealant to activate. This lack of sealing could result in shingle blow offs during a high wind event. Most manufacturers’ warranties will not cover shingle blow offs if the installation did not comply with their cold weather requirements. We have seen numerous times when a roof was improperly installed in cold weather was damaged or partially blown off in a high wind event in Colorado.
For flat roof installations that require adhesive to apply the roof membrane a typical minimum ambient temperature of 50 degrees is required for the adhesive to properly activate and set up allowing for full adhesion of the single ply membranes. Failure to allow the adhesive to setup and cure can result in the membranes coming off in high wind events.

Roofing costs can vary greatly depending on the condition of the roof deck, the number of layers of roofing being removed, the number of stories of the project, and the steepness of the roof. Roofing is hard and dangerous work and most of the materials in residential roofing are petroleum based and  prices are constantly going up. Like most home improvement projects, prices can vary based upon the quality and type of materials, the contractor you select and the time of year the project is scheduled. Contractors with the most experience, proper licensing, insurance, and manufactures certifications are typically more expensive than less experienced qualified roofers. 

It can, as long as long as you are properly insured and your roof was damaged by an insurable loss like hail or wind. It is important to review your policy with regards to wind and hail damage deductibles for your home. Many insurance carriers have higher deductibles for roof damage from wind and hail. Some insurance companies  are as high as 3% of the property value. 
If your home has a  replacement value of $500,000 and you have a 3 % deductible for wind and hail your responsible for the 1st $15,000.00 of the roof replacement before insurance kicks in. 
Additionally it’s critical to have a reputable roofer inspect your roof prior to filing an insurance claim to prevent filing a claim when there is no damage which could have an impact on future rates and insurability. If your roof is just old and not damaged by wind or hail, filing a claim could result in being cancelled or have to replace your roof to maintain existing coverage. Many homeowners are told by door to door roofing sales people they have damage and to file a claim when there is no damage.  You should avoid letting door to door roofing inspectors sales people on your roof. Please do some research, get referrals and call a reputable roofing contractor. Check the Colorado Roofing Association website for a list of  reputable local contractors.
Most municipalities will no longer allow you to install a new roof over an old roof.
When installing a new roof it is important to remove all of the old roofing materials down to the roof deck. This allows for inspection of the roof deck and replacement of damaged roof sheathing if necessary. Your contractor needs to inspect  skylight curbs, ventilation, and roof penetrations to install the roof system correctly.

Typically no. Most roofing work can be completed without entering the home. The only times a roofer may want to come inside is to inspect the attic space when investigating a leak or assessing ventilation needs or to inspect the roof deck from the underside to determine the type of roof deck currently in place.

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