When you’re designing or rehabbing a building, the roof is probably the last thing you think about. However, your roof makes the biggest environmental impact on the building and its surroundings.
Today, the experts at Quantum Roofing will go over your options when it comes to green reroofing in Vancouver. They will weigh the pros and cons of each in an unbiased way.
A green roof is one that’s covered with living vegetation. There are three main types:
Intensive roofs have permanent vegetation. They’re thick, heavy, and need a lot of maintenance. However, they can and do support a larger, more varied choice of plants. You’ll find these on small structures because these are light, thin roofs.
Extensive roofs also have permanent vegetation. They’re commonly found on large, commercial buildings.
Trays or containers filled with vegetation are a non-permanent, less expensive roofing option.
Regardless of whether you choose an intensive, extensive, or tray roof, you must first make sure your roof is designed to support vegetation.
Having such a roof definitely comes with some advantages. These include:
- They’re aesthetically pleasing.
- They reduce, absorb, and filter any rainwater runoff from your roof.
- You have an extra layer of insulation around your home.
- This is your very own vegetable garden.
- It’s a natural habitat.
- The garden extends your roof’s lifespan.
- It can increase the building’s value.
As with anything else in life, there are also some disadvantages. These include:
- The initial upfront cost is much higher than what you’d pay for a traditional roof.
- These roofs are one of the most expensive, eco-friendly roofing options.
- You’ll need more reviews on your design and its engineering
- Sometimes these aren’t a good option when you’re reroofing a building.
Recently there’s been a lot of discussion about cool or white roofs. These are built from light, reflective materials, so they are more solar reflective. This means they reflect both visible and infrared light. In doing so, these roofs keep your home and its surroundings a lot cooler than a traditional, dark, matte roof.
There are several types of cool roofs including roll on paint, single ply membranes, asphalt shingles and metal. Their ability to reflect solar heat is measured by the Solar Reflectance Index (SRI) rating. You can use this to find your cool roof’s quality. An SRI of 29 or better for steep, sloping roofs and 78 for low, sloping roofs is considered good. However, this varies depending on where you live.
Some of the biggest advantages to cool roofing include:
- The building doesn’t need as much energy because it has lower requirements in terms of heating and cooling it.
- You’re helping reduce the local heat island effect.
- They’re relatively affordable.
- Reroofing is usually possible.
The drawbacks to cool roofing include:
- Not everyone feels these roofs are aesthetically pleasing
- Your wintertime heating costs will increase if you live in a cold climate but this is offset by the money you’ll save throughout the summer months.
Metal roofs usually have the same advantages as cool roofs. They’re typically made from light-colored, reflective metals including a flat sheet, corrugated and standing seam forms of copper, steel and zinc. Their primary feature is their durability, the fact that they last a long time, they don’t need much maintenance, and they’re composed of recycled materials.
Advantages of using metal roofs include:
- They’re very durable.
- They can withstand fire, heavy rains, and winds.
- They’re made from recycled materials.
- You’ll have a variety of colors, metals, and profiles to choose from.
- They last longer than standard roofs.
- They’re right for traditional, modern, and historical buildings.
- At the end of their life, you can recycle them.
On the other hand, their disadvantages include:
- They cost a lot of money to install them.
- During rainstorms, they’re loud.
- Not everyone finds them aesthetically pleasing.
Many people don’t like how solar panels look because they’re big, awkward, and usually they don’t fit in with a building’s design. However, you can seamlessly integrate solar shingles into your roof – sometimes completely unnoticed. This is because they’re available in various shapes and designs so you can find something that fits your design’s needs.
Advantages of using solar roofing include:
- They’re easily integrated into your home’s design so you can harness the sun’s energy for power.
- You can install them on both new and old roofs alike.
- There are various styles available from a wide choice of manufacturers.
Disadvantages to these roofs include:
- They’re more expensive than traditional solar panels or traditional roofing.
- They’re not always available in the design you need.
More roofing options can be found at Quantum’s location in Maple Ridge. Just a 23-minute drive from Surrey!
Quantum Roofing Maple Ridge
11985 203 St #125
Maple Ridge, BC V2X 4V2
Only a 23-minute drive!