Published December 23rd, 2020 | By Mike Monyak, Founder of Mr. Happy House

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We have compiled a list of the 5 most common reasons why shingle roofs leak. To help you better understand the possible causes of leaks, we have compiled the five most popular reasons for roof leaks in the United States. Whether your leak comes from a new roof or a shingle roof that has been replaced, here are the most common myths about the roof that we have debunked.

If you have recently found a common cause of a roof leak and need immediate roof repairs, please do not hesitate to contact Mr. Happy House for any roof repair services if you live in the North Houston Area. With that said lets get into the 5 most common reasons why shingle roofs leak:

regular vinyl traditional gutters

1) Clogged Gutters

Clogged gutters are one of the most common causes of leaking roofs in the US and 100% preventable. Higher gutters are designed to drain into the lower parts of your roof, which can cause saturation and ultimately leak. 

The upper gutter drains directly into a lower roof, which can lead to lower areas becoming saturated, leading to leaks. Upper gutters drain directly onto a higher part of a roof or into an upper roof. This can lead to low sections becoming oversaturated, A cause of leaks, but also of leaks on the upper parts of the roof.

2) Rotted Decking Underneath Roof

Many times when a roof is replaced, the roofers do not replace the decking if it’s rotted. If you do not replace rotted decking during a roof replacement or roof repair, over time the area with rot can sink and cause water to buildup around the area, producing more leaks. 

A good question to ask your roof during a roof replacement or roof repair, is if they are going to replace any decking around the damaged area.

cracked shingles on roof in Tomball Texas

3) Cracked Roof Shingles

Cracked roof shingles can be caused by age or heavy storms. If you’ve noticed any cracked roof shingles after a recent storm, then it’s best to hire a roofing company like Mr. Happy House that can work with your insurance company to get your roof replacement costs covered. 

Cracked roof shingles can be caused by hail. Another reason why roof shingles crack could be because of the age of the roof, in which case a roof repair or roof replacement may be necessary to stop the leaking.

chewed up plumbing jack from squirrels on roof in The Woodlands, Texas

4) Roof Pipe/Plumbing Jacks

Another reason why shingle roofs leak, is because the plumbing jacks are not installed correctly or sealed properly. Plumbing jacks are connected to the plumbing of the entire house and usually stick out of the roof to keep sewer gases from entering your house! 

While these plumbing pipes stick out of the roof of the house, it’s important to install a plumbing jack around the pipe to keep the roof sealed and have any openings around it caulked with professional roofing caulk.

5) Roof Flashing Issues

Roof flashing is a steel material that diverts any water from entering into potential leak areas such as valleys, corners, and chimneys. Many times the flashing could be installed incorrectly. A common area of the roof that is common to get leaks is generally around the chimney areas and corners.

Flashing is a common material to be used in valleys, but when we replace a roof, depending on the project, we install a sticky leak barrier from GAF that is proven to be better than flashing in the valleys of a roof. 

fully painted exterior house in Spring, Texas

Thanks for reading this article on the 5 most common reasons why shingle roofs leak, share this post with your friends on social media, or leave a comment!

Other Roofing & Roof Repair:

Sheegog Contracting

First Texas Roofing

SPS Roofing

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Susan Sellers
Susan Sellers
The Woodlands, TX
Read More
"I called Mr Happy House after reading the great reviews, and I was not disappointed! Mike and his crews are extremely professional and conscientious. They performed various outdoor repairs including power washing, repaired my Hardie Siding, repaired squirrel damage on the roof, and painted my entire house. Mike oversaw every aspect of the job and made sure everything was perfect. The price was very reasonable, and I will definitely be calling Mr Happy House for future jobs!"
Liz Blasingame
Liz Blasingame
The Woodlands, TX
Read More
"Mike has been great at getting our siding and trim repaired on the exterior of our house. He was very thorough and the completed work is fantastic."
Dior Xu
Dior Xu
The Woodlands, TX
Read More
"2nd time work with Mike and his wonderful crew. They worked so hard to paint our whole house perfectly. We are so impressed with how fast and how flawless they got the job done. We really appreciate all of them! Yay for Mike and Mr. Happy House!"
Ashley Donaldson
Ashley Donaldson
Spring, TX
Read More
"Mike was great to work with. He explained all that needed to be done to install a quality roof that would last. Had other quotes but other contractors were not as informative and did not include everything that was needed. Mike’s crew was courteous, did an excellent job and completed the work in a timely fashion. If you are not familiar with working with insurance adjusters be sure Mike meets with them when you set up a meeting. This was helpful in my case and made the claims process run smoothly. I am very pleased 😀 with his service and recommend him to my neighbors of which two have used him across from my home."
Bradley Faldyn
Bradley Faldyn
Spring, TX
Read More
"Mike and his crew are top notch. Honest and detail oriented. Customer satisfaction and high quality workmanship are outstanding!!! Very satisfied with our new roof!!!"
Mark Rodrigues
Mark Rodrigues
The Woodlands, TX
Read More
"My house needed new siding, soffits, and fascia. After seeing another job Mike had done, I requested an estimate. The pricing was fair to me, so he went to work. Everything was completed with Hardie products. The house was painted to my desires and I can honestly say I am more than happy. He paid great attention to the details and ensured the work was of the highest quality. The next time I need work done, I will be contacting Mr. Happy House."
Bradley Utz
Bradley Utz
Tomball, TX
Read More
"Very impressive! I needed to have my house roof replaced. I am very glad, very grateful, and very satisfied that I chose Mr. Happy House for this job in July 2018. The crew was thorough in planning, removing old shingles, hammering new ones, examining the roof for trouble spots and attending to them on-the-spot, and cleaning up as the work completed. Mike Monyak and his entire team are professional, attentive, fair, competent and courteous; they did exceptionally well what they contracted to do. I trusted my roof upgrade with Mr. Happy House and will confidently use this company as the need arises in the future."
Ken Baird
Ken Baird
Conroe, TX
Read More
"I had Mr. Happy House replace my wood siding with Hardy Plank Siding. Mike and his team did an excellent job replacing the siding and with the great paint job. They offered great suggestions and really paid attention to detail. I highly recommend Mr. Happy House! Nice job and thank you Mike and taam! Ken B"
Brittney Duffy
Brittney Duffy
The Woodlands, TX
Read More
"Mike with Mr. Happy House has been our go-to contractor in The Woodlands for 10-15 years. Hiring a contractor can be anxiety-provoking, but Mike is a true professional. It is always a relief knowing the work will be done right the first time. Mike also takes the time to listen and is very thorough in explaining what needs to be done and offering alternative options available. Over the years, we’ve been so happy with Mike’s services that we’ve hired Mr. Happy House for fencing, roof replacement, fascia and soffit replacement, rotted exterior window frame replacement, exterior house painting, pressure washing, and other home maintenance. If you’re looking for a professional, knowledgeable contractor, don’t hesitate to give Mike with Mr. Happy House a call!"
Misty Hanna
Misty Hanna
The Woodlands, TX
Read More
"Mike was awesome. He came out quickly, listened to what we wanted done and came back with a very comprehensive quote for us. He gave us the time we needed without being pushy to decided if this was the right move for us. He was upfront and honest about what needed to be done and the cost. He and his crew worked quickly, efficiently and did a great job. I highly recommend if you need work done to give him a call."
Jeremy C.
Jeremy C.
The Woodlands, TX
Read More
"Very great work, Mike has been very helpful in fixing the damages on the outside of my house and they have done a great job in painting my garage's exterior. Mike was able to answer all of my questions regarding the problems that needed to get fixed. Mr. Happy House has repaired the damages on my house and also made my house look very nice too. I will definitely recommend him my neighbors."
Mike Sorenson
Mike Sorenson
The Woodlands, TX
Read More
"I called Mike to help fix a leak in my ceiling. He diagnosed the problem and also quoted replacing the remaining aging wood we had on our house, as well as replace the chimney top. His quote was fair so we decided to knock it all out. His team is professional and finished the job quickly. He also fixed my fence gate and power washed my driveway, patio and sidewalk along with the house. I plan to use him in the future for other projects."
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Susan Sellers
Susan Sellers
The Woodlands, TX
Read More
"I called Mr Happy House after reading the great reviews, and I was not disappointed! Mike and his crews are extremely professional and conscientious. They performed various outdoor repairs including power washing, repaired my Hardie Siding, repaired squirrel damage on the roof, and painted my entire house. Mike oversaw every aspect of the job and made sure everything was perfect. The price was very reasonable, and I will definitely be calling Mr Happy House for future jobs!"
Liz Blasingame
Liz Blasingame
The Woodlands, TX
Read More
"Mike has been great at getting our siding and trim repaired on the exterior of our house. He was very thorough and the completed work is fantastic."
Dior Xu
Dior Xu
The Woodlands, TX
Read More
"2nd time work with Mike and his wonderful crew. They worked so hard to paint our whole house perfectly. We are so impressed with how fast and how flawless they got the job done. We really appreciate all of them! Yay for Mike and Mr. Happy House!"
Ashley Donaldson
Ashley Donaldson
Spring, TX
Read More
"Mike was great to work with. He explained all that needed to be done to install a quality roof that would last. Had other quotes but other contractors were not as informative and did not include everything that was needed. Mike’s crew was courteous, did an excellent job and completed the work in a timely fashion. If you are not familiar with working with insurance adjusters be sure Mike meets with them when you set up a meeting. This was helpful in my case and made the claims process run smoothly. I am very pleased 😀 with his service and recommend him to my neighbors of which two have used him across from my home."
Bradley Faldyn
Bradley Faldyn
Spring, TX
Read More
"Mike and his crew are top notch. Honest and detail oriented. Customer satisfaction and high quality workmanship are outstanding!!! Very satisfied with our new roof!!!"
Mark Rodrigues
Mark Rodrigues
The Woodlands, TX
Read More
"My house needed new siding, soffits, and fascia. After seeing another job Mike had done, I requested an estimate. The pricing was fair to me, so he went to work. Everything was completed with Hardie products. The house was painted to my desires and I can honestly say I am more than happy. He paid great attention to the details and ensured the work was of the highest quality. The next time I need work done, I will be contacting Mr. Happy House."
Bradley Utz
Bradley Utz
Tomball, TX
Read More
"Very impressive! I needed to have my house roof replaced. I am very glad, very grateful, and very satisfied that I chose Mr. Happy House for this job in July 2018. The crew was thorough in planning, removing old shingles, hammering new ones, examining the roof for trouble spots and attending to them on-the-spot, and cleaning up as the work completed. Mike Monyak and his entire team are professional, attentive, fair, competent and courteous; they did exceptionally well what they contracted to do. I trusted my roof upgrade with Mr. Happy House and will confidently use this company as the need arises in the future."
Ken Baird
Ken Baird
Conroe, TX
Read More
"I had Mr. Happy House replace my wood siding with Hardy Plank Siding. Mike and his team did an excellent job replacing the siding and with the great paint job. They offered great suggestions and really paid attention to detail. I highly recommend Mr. Happy House! Nice job and thank you Mike and taam! Ken B"
Brittney Duffy
Brittney Duffy
The Woodlands, TX
Read More
"Mike with Mr. Happy House has been our go-to contractor in The Woodlands for 10-15 years. Hiring a contractor can be anxiety-provoking, but Mike is a true professional. It is always a relief knowing the work will be done right the first time. Mike also takes the time to listen and is very thorough in explaining what needs to be done and offering alternative options available. Over the years, we’ve been so happy with Mike’s services that we’ve hired Mr. Happy House for fencing, roof replacement, fascia and soffit replacement, rotted exterior window frame replacement, exterior house painting, pressure washing, and other home maintenance. If you’re looking for a professional, knowledgeable contractor, don’t hesitate to give Mike with Mr. Happy House a call!"
Misty Hanna
Misty Hanna
The Woodlands, TX
Read More
"Mike was awesome. He came out quickly, listened to what we wanted done and came back with a very comprehensive quote for us. He gave us the time we needed without being pushy to decided if this was the right move for us. He was upfront and honest about what needed to be done and the cost. He and his crew worked quickly, efficiently and did a great job. I highly recommend if you need work done to give him a call."
Jeremy C.
Jeremy C.
The Woodlands, TX
Read More
"Very great work, Mike has been very helpful in fixing the damages on the outside of my house and they have done a great job in painting my garage's exterior. Mike was able to answer all of my questions regarding the problems that needed to get fixed. Mr. Happy House has repaired the damages on my house and also made my house look very nice too. I will definitely recommend him my neighbors."
Mike Sorenson
Mike Sorenson
The Woodlands, TX
Read More
"I called Mike to help fix a leak in my ceiling. He diagnosed the problem and also quoted replacing the remaining aging wood we had on our house, as well as replace the chimney top. His quote was fair so we decided to knock it all out. His team is professional and finished the job quickly. He also fixed my fence gate and power washed my driveway, patio and sidewalk along with the house. I plan to use him in the future for other projects."
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