Understand Why Ridge Cap Is a Vital Part of Roof Installation


Everyone knows that a durable roof is needed to safeguard your home from terrible winds and storms. However, do you know how vital the ridge cap is as a part of roof installation? The ridge cap does not only protect the home from leaks; it is an additional architectural design to the roof. Here is some vital information you need to know about the ridge cap.

What Is a Ridge Cap in Roofing Installation?

A ridge cap is a shingle manufactured for harsh wind that blows against the ridge of a home’s roof. Aside from a ridge cap being thicker than the normal shingle, it is usually produced bent. Many roofers would try using 3-tab shingles in place of ridge caps, and they would get cracked after some time because of the bend.

Uses of Asphalt Roofing Ridge Cap Shingles

Every asphalt roofing needs a ridge cap shingles to complete it. Unfortunately, asphalt shingles, with time, tend to wear and tear. This is why the ridge cap is an important part of roof installation. It keeps moisture and water from penetrating the roof. Some creative roofers could cut regular shingles for unique roof designs and sizes to make ridge caps. However, the best is to use the prefabricated ridge cap shingles.

Ridge Cap Installation Process

Installing a ridge cap is not a difficult process for a professional roofing contractor. Ridge caps can be installed following these steps:

  • Insert a ridge cap on the rooftop. Use a piece of chalk to mark both ends on the roof.
  • Above the chalk line by 1 inch, put sealant tape on both sides of the ridge 
  • Set the closure strips on top of it
  • The closure strips should be placed 1/4th of the inch above the marked chalk line.
  • Add another layer strip of sealant tape to the top of the closures for the ridge caps
  • Place the ridge cap at the center and press it steadily onto the installed closures
  • Use screws or roofing nails and a hammer to fasten the ridge cap on the ridge vent
  • To cover the whole roof, you have to repeat this same process. Ensure that they overlap
  • at the right place to cover the nails/screws. Trim off any excess ridge cap according to
  • the roof length.

Homeowners who love DIYs can follow this method to install ridge caps on their roofs. However, to avoid mistakes, it is recommended that you work with a professional roofer to handle your ridge installation perfectly. 

Apart from a professional being able to handle your ridge installation, they can diagnose your roof condition and make a quick fix where necessary. Reach out to your local roofing contractor to get a free estimate for your roofing jobs.


In addition to your ridge cap, it should be noted that prompt maintenance could cost more upfront, but it pays since it will save you from potential repairs or replacements. Ridge caps are unnoticeable, but they are an essential part of roof installation that should not be neglected.