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Once framing is complete, you will need the following materials to roof a house:

• Wood sheathing

• Drip edge, a.k.a metal flashing

• Underlayment for waterproofing

• Roof covering, like metal or asphalt shingles

Maybe you waited a little longer than you should have before dealing with the snow accumulation on your roof, and now you are wondering if there is risk of roof collapse. Here are some signs you should look out for: a sagging roof, cracking and cracking sounds, cracks in walls, and leaks in your attic and ceiling.

If you suspect potential roof collapse, do not delay. Take immediate action. Call a professional roofing company and get an inspection. You may want to move your belongings to a safe place and relocate your family until everything has been taken care of.

The lifespan of asphalt shingles is between 15 and 30 years, depending on the type of shingle you install. A 3-tab shingle roof may only last for 15 years, while a luxury asphalt shingle roof will usually last for 30 years or more. Factors like climate, installation quality, and maintenance all play a part in how long your shingles will last, as well. Besides apparent shingle damage, be on the lookout for granule loss, roof leaks, and bald spots as signs to replace asphalt shingles.

Just like when you’re shingling a roof, you can install felt underlayment under a metal roof, but a synthetic underlayment like adhered ice and water shield is the best option. These use adhesives rather than mechanical fasteners, so you have fewer penetrations going through your roof deck and a lower risk of leaks. Ice and water shield is also easier to install because you don’t need additional tools or fasteners to attach it to the roof deck.