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Frequently asked questions

General Information

What are Eastern White Cedar shingles? Quelle est la différence entre le bardeau de grade A et B?

Eastern White Cedar shingles are a type of exterior and interior wall covering, as well as roofing materials. They are known for their durability, natural resistance to rot, and warm aestheticappeal.

Why choose Eastern White Cedar shingles?

Eastern White Cedar is weather-resistant, lightweight, durable, and naturally waterproof. Italso offers a beautiful natural finish and effective insulation.

How do Eastern White Cedar shingles compare to Western Red Cedar shingles?

Compared to red cedar, white cedar is lighter and less dense, making it easier to handle. It also tends to last longer due to its natural oils that enhance rot resistance.

Are shingles sold stained or natural?

Both options exist. Waska shingles are often factory-stained. (see "Pre-finished Shingles"section)

What are the aesthetic advantages of Eastern White Cedar shingles?

They offer a natural and timeless look, with a light color that can adapt to different architectural styles, while developing a beautiful gray patina over time.

Are Eastern White Cedar shingles environmentally friendly?

Yes, white cedar is a renewable material, and when well-managed, its harvest can be sustainable. Additionally, its production requires less energy than artificial roofing materials.

Where does the cedar used come from?

Mainly from Quebec, but also from New Brunswick, Ontario, and Maine (U.S.).

What are the different grades of Eastern White Cedar shingles?

Grades range from A (premium, minimal knots) to C (more visible knots and imperfections)

What is the difference between raw and kiln-dried (KD) shingles?

Raw shingles dry naturally over time, while kiln-dried shingles are factory-dried for immediate us.

Are Eastern White Cedar shingles readily available?

Yes, they are fairly common and available from many building material suppliers, although their price may vary by region.

Installation

Can Eastern White Cedar shingles be installed in all regions?

Cedar shingles are suitable for regions with cold winters and moderate summers. In very humid or very hot areas, more frequent maintenance is necessary.

What is the minimum slope required for an Eastern White Cedar shingle roof?

The minimum slope for an Eastern White Cedar shingle roof is generally 4:12 (an 18.5°angle). Lower slopes can cause drainage problems.

What types of nails should be used?

Stainless steel or hot-dipped galvanized nails are recommended to prevent rust and ensure proper shingle attachment.

Can cedar shingles be installed over existing roofing?

Yes, but it's often preferable to remove the old shingles to ensure proper installation andbetter longevity. Proper preparation and underlayment are necessary.

Is it necessary to ventilate a roof with Eastern White Cedar shingles?

Yes, adequate ventilation is important to prevent moisture buildup under the shingles, which could lead to mold or roof damage.

Can you install the shingles yourself?

Yes, but it's recommended to follow our installation guide.

What is the recommended exposure?

An exposure of 5 inches is recommended, though 4 to 5.5 inches is acceptable depending on the design.

Must building codes be respected?

Absolutely. Consult municipal regulations before installation.

How do you cut the shingles?

Using a sharp knife or miter saw for precise cuts.

Which side of the shingle should be visible?

The most uniform and smooth side should face outward.

What type of underlayment is recommended for Eastern White Cedar shingles?

A breathable underlayment is recommended to allow moisture escape.

Performance and durability

Do Eastern White Cedar shingles discolor over time?

Yes, they take on a natural gray color over time due to UV exposure. Some owners prefer toapply treatment to maintain the original color.

Do the shingles resist extreme climates?

Yes, they are naturally resistant to temperature variations and humidity.

Do Eastern White Cedar shingles resist insects?

Yes, white cedar contains natural oils that repel insects like termites and carpenter ants, making it an excellent choice for roofing.

How do they perform in coastal environments?

Yes, they are well-suited for coastal environments due to their resistance to salt spray and humidity, but a protective finish is recommended.

What is the lifespan of the shingles?

Well-installed and maintained, they can last more than 50 years.

Are Eastern White Cedar shingles resistant to mold?

Yes, white cedar has natural antifungal properties that allow it to resist mold and rot, especially in dry areas. Good ventilation is essential.

Are Eastern White Cedar shingles fire-resistant?

While not naturally fireproof, they can be treated with fire-retardant coatings to achieve a Class A fire rating.

Do Eastern White Cedar shingles provide insulation?

Yes, cedar shingles offer thermal insulation thanks to their cellular structure. They can helpkeep the house cooler in summer and warmer in winter.

Can wind damage them?

If properly fastened, they resist strong winds very well.

Maintenance & Finishing

Can you preserve the natural color of cedar?

Yes, with a slightly tinted transparent oil, but the wood will gray over time.

Must cedar be treated?

No, but a finish can extend its beauty and durability.

How do you do stain touch-ups?

Use a suitable applicator and dab lightly without overloading.

How often should shingles be maintained?

Every 5 to 7 years for exposed surfaces, depending on climate and type of finish.

Can you repaint or restain the shingles?

Yes, but you must clean and prepare the surface properly beforehand.

What is the best way to clean Eastern White Cedar shingles?

Use a mild detergent and soft brush to remove dirt and mildew.

How do I prevent mold and mildew on Eastern White Cedar shingles?

Ensure proper ventilation and apply mildew-resistant treatments.

Do Eastern White Cedar shingles require sealing?

Sealing is optional but can enhance longevity and appearance.

What is the best way to protect Eastern White Cedar shingles from UV damage?

Applying a UV-resistant stain or sealant can help maintain their color.

How do you repair cedar shingles?

Damaged shingles can be replaced individually. Simply lift the neighboring shingles, remove the damaged one, and install a new shingle.

Compatibility and Design

Can cedar be combined with other materials?

Yes, it pairs well with stone, brick, and other woods.

Are there different styles of shingles?

Yes: rectangular, tapered, rounded, etc. (See "Victorian Series" sheet)

Can shingles be used indoors?

Yes, for a chalet or rustic effect, as well as for decorative wall paneling and ceilings.

Are shingles suitable for commercial buildings?

Absolutely, especially for high-end architectural projects.

Are Eastern White Cedar shingles compatible with solar systems?

Yes, you can install solar panels on a cedar shingle roof. However, make sure to consider theweight and proper mounting of the panels.

Calculations and Quantities

How many shingles are needed to cover a wall?

This depends on the exposure and surface area. On average, 1 box covers approximately 25to 30 sq ft.

How do you calculate the number of courses?

Divide the wall height by the chosen exposure.

Should you plan for waste?

Yes, add about 5% for cuts and adjustments.