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When it comes to roofing installation, many homeowners are completely unfamiliar with what the process entails. However, it’s important to understand the main steps of the roofing installation process in order to choose the best materials for your home’s infrastructure needs. Here’s a quick FAQ about shingle and roofing installation to give you a better understanding of the overall process.

What’s the purpose of an asphalt shingle underlayment?
Four out of five homes are covered with asphalt shingles in the United States, and many have a protective underlayment below. There are a variety of benefits that come with using asphalt shingle underlayment. It protects the roof shingles from any resin that may leak from the wood board decking. An underlayment will also shield decking materials from significant amounts of rain and wind that may have otherwise been able to break through to the shingle layers. Some manufacturers also mandate the use of underlayment for warranty validation purposes.

What is buckling, and how can homeowners prevent it?
Buckling is the formation of ridges along the length of a roof’s shingles. It occurs when the shingles become distorted due to movement in the deck underneath. Buckling is a possibility with any deck type, but it’s most common with board decks. Buckling can be prevented by ensuring proper installation and sufficient air ventilation in the home’s attic. Keeping the shingles dry prior to installation is also a viable prevention method. If you’re concerned about buckling, talk to roofing contractors at your roof repair company.

What causes algae growth on shingles, and how can homeowners get rid of it if it grows?
Algae growth is more common on rooftops than many homeowners think. Typically seen on lighter colored shingles, it’s caused by a type of algae known as Gloeocapsa and should not affect the shingle’s performance or lifespan. To alleviate this aesthetic irregularity, there’s a simple cleaning solution that can be made mostly with household ingredients. Combine one part chlorine bleach with three parts water and a quarter cup of trisodium phosphate (available at most paint supply stores). To apply the solution, fill a spray bottle and spray sparingly on any algae-covered areas. Scrub gently and rinse thoroughly. A roof repair company can also help you alleviate this problem.

Ultimately, knowing the answers to these common roofing questions can help you make the best decision for your home’s roofing needs.