- Is it better to remove old shingles?
- Do roof shingles take time to settle?
- What causes roof shingles to lift?
- Can you put a metal roof over shingles?
- Why does my new roof look wavy?
- Should you clean moss off your roof?
- Will bleach damage roof shingles?
- How hard is it to remove shingles?
- Can you put plywood over old shingles?
- Can I scrape moss off my roof?
- How do you get rid of old shingles?
- How do I clean moss off my roof?
- Do you pull the plastic off shingles?
- How much is it to tear off and replace a roof?
- How do you prep a roof for shingles?
Is it better to remove old shingles?
If any areas of the roof have become severely damaged, it’s usually better to remove the old shingles and start from scratch.
If you’re going to add a roof on top of an old one, it’s a good idea to remove any loose shingles and apply a new layer of 30-pound roofing felt before laying the new shingles..
Do roof shingles take time to settle?
if you had the roof only replaced yesterday it will take anywhere from a couple of days to a month to settle right. … Before new shingles seal down, they can look a little lumpy and uneven, but once the roof gets hot enough, they should soften, flatten and form a permanent seal.
What causes roof shingles to lift?
Other Causes of Lifting Shingles Hot, moist air rises to the attic. If the attic is well ventilated, the moisture can escape to the outside. If the attic isn’t properly ventilated, moisture can become trapped in the decking, which can cause mold to form and can eventually cause shingles to curl and lift.
Can you put a metal roof over shingles?
In almost every case, the answer is yes, you can lay down a new metal roof over an existing shingle roof. This is one of the many reasons metal roofs keep growing in popularity – their installation doesn’t require completely tearing off the existing roof, which is a time-consuming and expensive job.
Why does my new roof look wavy?
A layer of felt paper acts as a base, and goes down before the shingles for every installation. If the material was damp, if the day was humid, or the paper bubbled a bit, if could produce a wavy appearance on your new roof. Thankfully, this is the most common cause, and also the easiest to fix.
Should you clean moss off your roof?
To avoid expensive repairs, moss should be removed from your roof tiles quickly if it is covering a significant area of your roof. Avoid pressure washing your roof to remove moss, as this could cause damage to the tiles and lead to the drenching of your roof interior.
Will bleach damage roof shingles?
While an occasional cleaning might not harm your roof, repeated use of harsh chemicals, or the erosive effects of pressure washing, can damage or shorten the life of asphalt shingles. … Roof cleaned with oxygen bleach (left) and chlorine bleach (center).
How hard is it to remove shingles?
Although removing asphalt shingles requires less roofing knowledge and training than the installation of the new layer, it is still a lot of work. Maybe you’re not afraid of hard work, but also remember you’ll be working on a sloped surface, using tools you likely have never used before.
Can you put plywood over old shingles?
The new plywood will have to be nailed to the rafters or roof trusses. … But, with the old plywood left in place, it will be considerably more difficult to locate the rafters to ensure proper nail placement.
Can I scrape moss off my roof?
Treat Moss Roof Problems Remove moss with a garden water hose and by hand scraping. Using a pressure washer can cause even more damage to your roof, so unless you’re a skilled professional, stay away from the pressure washer!
How do you get rid of old shingles?
Tips To Properly Dispose of ShinglesDonating. Find organizations that accept reusable shingles and donate them to low-income families that could benefit from them. … Recycling. Shingles take four centuries to break down in a landfill. … Repurposing. Some companies and individuals buy old shingles to repurpose them for different things, such as:
How do I clean moss off my roof?
The most effective method of cleaning algae and moss from a roof is with a 50:50 mix of laundry strength liquid chlorine bleach and water. Apply with a sprayer and allow the solution to dwell on the roof surface for 15 to 20 minutes, and then rinse thoroughly with low pressure water.
Do you pull the plastic off shingles?
More on the “no” answer to removing roof shingle cellophane strips. Asphalt roof shingle manufacturers recommend that installers leave that piece of cellophane in place. It does not need to be removed before, during, or after roof shingle installation. … It does not need to be removed as part of the roofing process.
How much is it to tear off and replace a roof?
On average, it costs from $1.20-$4 per square foot to tear off and replace a roof with asphalt shingles. For a 1,700-2,100 square foot ranch-style property, that costs about $1,700-$8,400. However, roof replacement costs increase when you use higher-end roofing materials.
How do you prep a roof for shingles?
Roof Preparation Before Installing Roof ShinglesSecure the roof boards. If you are using the same roof boards without replacing them you really should check each and every one to make sure none of them need replacing. … Installing the drip edge. Install the drip edge around the eave ends of the roof. … Ice and water shield. … Adding the layer of felt.