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Rainscreen System | Rain Screen System

To those who have only recently heard about rainscreens, the idea can seem faddish and, perhaps, too recent to have been tested and proven. Like with any other new way of doing things in an industry that has always been rigid to change, many homeowners have been suspicious of this phenomenon.

However, those who have enough information about rainscreens want nothing else. While rainscreens are a relatively dated approach to siding, there is little doubt about their long-term durability, energy efficiency and excellent moisture management.

What is a rainscreen

A rainscreen is an air gap or cavity that is created between a house’s sheathing and its siding, meant as an escape route for the water that finds its way beyond the cladding. The primary purpose of the rainscreen is to prevent long-term damage to the framing, siding and sheathing of a home. It is a fact that walls that stay dry last longer. Rainscreens are supposed to help walls drain faster, and by extension, remain in good condition for a longer time.

Most single-family homes that are being built today now incorporate this design. In fact, a new building code amendment in Vancouver requires that the walls of single family homes be built with a rainscreen design.

Rainscreen walls should have:

  • Water resistive barriers
  • Flashings at every vulnerable area and all penetration points
  • An air cavity between the back of the home siding and the water resistive barrier
  • Leak holes at the bottommost point of the wall
  • Ventilation openings/holes at the topmost part of the wall

In traditional installation, siding boards are pressed tightly against the wall of the home in order to, among other things, keep moisture out. Through the years, the siding materials have evolved as people look for the perfect siding material that can outlive all others. Most of vinyl siding manufacturers have 25 years warranty, learn more about vinyl siding in this article. James Hardie siding (fiber-cement) has 30-years limited warranty, you can check what colors are available in BC and pros and cons of fiber-cement on this page.

The emergence of rainscreen as a different approach to cladding has got architects excited. While this development is forcing many of them to go back to the text books to learn about it, using a rainscreen has been a significant upgrade to the way homeowners approach siding.

Rainscreens are designed to eliminate premature decay in home siding, brought about by the intrusion of moisture in the siding whenever it rains. A rainscreen tackles the forces that push water into the shell of a building by neutralizing it, making it possible for the cladding to environments with extreme elements. Therefore, rainscreens are a perfect addition to homes that are in proximity to a lake or ocean as well as those whose location is in an area that receives over 20inches of rainfall every year.

Benefits of a rainscreen system

  1. Ultra-low cost of maintenance
  2. Prevents the premature decay of cladding material
  3. Prevents paint from peeling
  4. A simple system that has built-in redundancy
  5. It has integrated ventilation and drainage that accelerates the removal of moisture
  6. It increases the longevity of a wall’s exterior layer
  7. It has the ability to neutralize the forces of nature that promote the intrusion of water into home siding layers

The above benefits are as a result of functions of the gap/cavity that make up the rainscreen. These functions include:

  • Providing a path for rainwater to drain all the way to the weep holes located at the bottommost part of the wall.
  • Providing a passageway between the water resistance barrier and the back of the home siding that limits wicking
  • The rainscreens that have ventilation openings provide a ventilation air path. This is particularly effective when the sun is at its strongest. By virtual of the stack effect, ventilation air rises, creating a ventilation effect that is an effective drying mechanism.
  • Allowing moisture that is trapped in the home sheathing and siding to be redistributed through evaporation and diffusion to the other materials close by. This limits the damage to the siding and sheathing materials that the concentration of water would have caused.

Potential issues of a rainscreen system installation

  1. Insects could nest in the air space blocoking the ventilatin system
  2. The weather resistive barrier could fail
  3. Using a rainscreen increases the cost of materials and labor
  4. The weather barrier will undergo UV degradation
  5. The rainscreen prevents detailing around the house windows
  6. It takes longer to install a rainscreen system than it does a typical home siding

Frequently asked questions about rainscreens

Do homes that have no rainscreens leak?
No. That said, adding a rainscreen to your home will significantly increase the lifespan of your home. Moreover, you will be complying with the amendments to the Building code in Vancouver for single family homes. The amendment was adapted as a way of improving the overall performance of single family homes.

Do houses appear different once a rainscreen system is installed?
Rainscreen is not a thing. Rather, it is a technique that creates a cavity/gap between the sheathing (wall) and home siding (planks, panels or stucco). Therefore, the wall will, by and large, look the same even after installing the rainscreen system.

Does it cost more to buy a home with a rainscreen?
While the cost of a home with a rainscreen system might cost more, the additional cost is modest. In any case, the long-term maintenance costs of a home with a rainscreen are lower than those of a home without. This is because the rainscreen system preserves the home siding against the wood decay that rainwater causes. Furthermore, the energy costs of a home with a rainscreen system are almost always lower than a home without.

The best rainscreen installation experts in Vancouver for single family homes

Perfect rainscreen installations require professionals who are experienced in carrying out complex siding projects. Therefore, as a homeowner, you should contact rainscreen installation experts that can guarantee quality work. The requirements of single family homes can be relatively different from those of multi-family homes.

Therefore, hire a contractor who has noteworthy experience creating rainscreen systems for your type of home. Siding In Vancouver is committed to providing the highest quality workmanship with every siding project it takes up, anywhere in Vancouver and the surrounding areas. Contact us for the best rainscreen installation at a pocket-friendly price.

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Our testimonials

"Very Professional Crew!"
They did a good job in lousy weather as the project was done during winter. The crew that was onsite was really good and we had no issues during or after renovation.

Bill C., Delta

"Andrei and Eldar were great"

Vancouver Siding informed me of what they were doing and when it would be done. Most important, they showed up when they said they would. We are pleased with the job Siding in Vancouver did for us!

Anthony C., Port Moody

"Great service, very professional and on budget"

We had our siding removed and replaced by Siding in Vancouver. Andrey (owner of the company) gave us many tips on what style would be the best for our home, gave us some catalogs to read and options on vinyl/hardy/cedar siding. It took us a few weeks to decide, but once we were ready, Andrey ordered materials and guys started demolition and preparation the next day (I was blown away). Overall it takes a lot of time to replace siding on the whole house (now I know), it is a lot of work after all. Site was cleaned every day and Andrey was always available to answer any questions we had.

Randy D., Burnaby

"Honest, reliable guys!"

Siding in Vancouver is a great company to work with! Andrey explained me all the pro’s and con’s of different siding options, was very open about budgets for different options (as I had a very limited budget), so we decided to replace siding on 2 walls (the most beaten ones) and will do the rest in 2-3 years. Definitely will recommend those guys!

Willie A., Richmond

"They Offered Plenty of Options"

The crew were very professional and pleasant workers. I also received comments from other trades on how helpful they were. I found them doing searches online and glad I chose them.

Jeff T., Burnaby

"Siding in Vancouver is Very Professional!"
I was very happy that they were able to complete the work on time. I was very pleased with the materials they were able to come up with to meet our needs and likes. I really liked the quality and the look of the installation. They had creative solutions because they went outside of the box and was willing to use different products to complete the project. If I ever have to redo our roof or build another home, I would call Siding in Vancouver for sure.

Simone D., Vancouver