Denver Roofing: Article About New Roof Steps
The average lifespan of a typical residential roof can range from 25 years to more than 100 years. Repairing and fixing problems early on can keep a roof looking its best and functioning well for even longer. When contractors identify serious problems that cannot be fixed, they may suggest that homeowners completely replace the roof. Though many homeowners worry about how long the project will take and how much it will cost, they can ease some of their worries when they look at the steps associated with replacing a roof. Denver roofing companies will often give homeowners a time line that shows them when they will complete each step.
Before installing a single item, contractors will need to strip the roof of its old materials. They can use chemicals designed to eat through asphalt plastic cement and any other adhesive used beneath the underlayment or shingles. Scrapers and other tools let them quickly remove stuck on materials from the roof. After removing those items, contractors clean the roof with chemicals and solutions that eat through any adhesives or items left behind. Cleaning also lets them get a better look at the roof and determine if any additional problems require fixing.
Contractors will install some type of protection for the roof deck and a waterproofing material.
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Deck protection usually takes the form of tar paper or another type of underlayment that lays flat on the deck. Waterproofing materials may look like a thick sheet of paper or come in a liquid form. Roofers apply liquid waterproofing materials with a brush or a roller to ensure it goes on smoothly and evenly. Once it finishes drying, they can look for any signs of bubbles or cracks that need repaired before laying the shingles.
Prior to laying the shingles, contractors lay a starter strip. This protects the other shingles on the roof from high winds and driving rain. Most use roofing nails to secure the shingles to the roof. The remaining shingles will go on with a combination of roofing nails or screws and some type of adhesive like a new layer of asphalt plastic cement. They can install flashing around the chimneys, along the ridge of the roof and around the sides or edges of the roof. Some homes may require the installation of ridge vents and ridge cap shingles that keep the vents free of moisture and provide a completed look to the roof.