LATEST NEWS & ARTICLES

5 reasons why architects spec cedar roofs in their building plans
by S&W Forest on September 25, 2015
Some architects insist on cedar. When you see the finished product, it's easy to understand why.

Some architects insist on cedar. When you see the finished product, it’s easy to understand why.

Nothing pleases us more than when an architect specifies that they want their building or home designed to use cedar roofing. In many cases, an architect will be explicit in the type of building materials used, to best exemplify their plan for the structure. We thought we’d share the five reasons that we have found that architects use for specifically requesting a cedar roof.

1. They have a vision of the design they want, and the genuine look of real cedar is the only way to accomplish it.

Architects don’t merely engineer a building, they envision its complete form in all its visual splendour. Sometimes, taking liberties with building materials can compromise that vision, so the savviest designers will specify that only a cedar roof will nail the desired look.

2. The building and design are a reflection of them. Sometimes only the best will do.

It’s only the most discerning architect or designer that specifies that they want a cedar roof, and it’s often because of their reputation. Anything less than real materials such as stone or, you guessed it, cedar and other wood products are up to the standard of their reputation.

3. Because the building owner said so.

This is the most obvious reason why architects often spec cedar for their projects— because the owner wanted it that way. The look, legitimacy, and quality of a cedar roof is often the owner’s choice, so the architect write it right into the plan.

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4. Cedar is worth the investment.

While architects don’t often let the cost or availability of building materials affect their decision making, many know that certain projects require a finer quality finish, and a properly installed cedar roof can not only be beautiful and make the neighbours jealous, but also be long lasting and a good investment.

5. It’s good for the environment.

Not everyone sees it that way right away, but the way we buy logs to make our shakes, from “surplus” logs that were not fit for larger pieces of lumber, is sustainable. And it’s a far cry better for our earth to harvest and reforest trees than to process petroleum based chemicals to build building products. Ever since man has been building shelters (since the cave days), wood and stone have been the top choices for materials. While we value our forests as much or more as the next Canadian, we support a natural approach to home building that makes as little impact as possible.

 



Unlike Fake Shakes, Cedar Shakes & Shingles are Geniune!
by S&W Forest on September 8, 2014

Click on the link below for the newest advertising from the BC Shake and Shingle Association.

Fake Shake



Breathable Synthetic Underlayments
by S&W Forest on March 5, 2012

This articles give information on synthetic underpayments that are now available. If you are using it for Cedar Shakes or Shingles make sure that is has a permeable rating of more than 1 and check with your local building codes

The current state of underlayments could be summed up in three words, “better than ever,” according to Tom Metoxen, Manager of Technical and Warranty Services for Carlisle Residential.

“There have been numerous advances in the manufacturing of underlayments to provide multiple options for multiple purposes,” Metoxen said. “Carlisle has made an effort to provide a wide range of underlayments to meet the wide range of needs in roofing industry.”

The variety of finished roofing products can dictate what must be used as an underlayment, said Metoxen, noting that with metal roofing a heat resistant or high temperature product must be used. “Different climates can also require the use of a specific underlayment,” he said.

Roofing underlayments were originally used for temporary protection against the elements, but are now an integral part of a building’s overall roof systems, said Anthony Mass, technical administrator for Polyglass USA.

““Underlayments provide a vital layer of protection on top of the sheathing to help keep moisture out of the building, and are considered a necessary piece of the roofing structure,”” Mass said. “The advancements made in roofing systems and roofing underlayments lead to a stronger, longer-lasting roof that holds up better against weathering.”

UV exposure time limits depend on the type and surfacing of the membrane.

“Today, more contractors are making the switch to underlayments that are exceptionally strong, faster and easier to install, durable when exposed to elements of nature and more breathable than traditional felts,” Sebuktekin said. “Traditional felts are not as strong and durable, and can absorb moisture, causing severe buckling and wrinkling.”

GAF-Elk recognizes the growing need and is promoting such products as Deck Armor Premium breathable underlayment as part of a complete roofing system.

“This is more than just having a great product, it is also about providing field technical support as well as education to the roofing contractor on how to promote and sell superior underlayments,” Sebuktekin said. “The roofing industry has seen many entries from synthetic underlayment manufacturers who said, ‘I have a product just like that,’ and followed by their subsequent exits due to product failure and/or lack of contractor support and education.”

Synthetic underlayments continue to grow at the expense of traditional asphalt felt paper, said Sandro Di Pede of SDP Advanced Polymer Products. “The cost gap between synthetic and felt is reducing, thus helping to generate additional interest and trial of synthetics,” Di Pede said. “But what is key – to synthetic acceptance and continued growth – is safety with respect to walkability on pitched roofs, especially in wet, dusty, contaminated conditions.”

Tarco President Steve Ratcliff said there are strong forces at work in the underlayment marketplace. “Not long ago, traditional asphalt-saturated felt was a mainstay of residential roofing,” Ratcliff said. “Unfortunately, it did not perform well as a secondary water barrier, it was subject to UV deterioration, and it had very short exposure limits during installation.”

Ratcliff said many types of self-adhering and synthetic underlayments have been introduced over the last 10 years, with the addition of specialty products designed for specific roofs and climates. As a result, the underlayment product category is gaining tremendous respect. “Labor savings coupled with superior performance will encourage most contractors to offer premium underlayment to customers as standard rather than as an optional upgrade,” said Ratcliff. “The superior dry-in benefits and UV resistance of premium underlayment gives contractors greater flexibility in scheduling primary roofing system installations. The secondary water barrier provides extra protection when the primary roof fails for whatever reason.”

Edward Sueta, marketing manger at ALCO-NVC Inc., said the key ingredient to the success of underlayments is the ice and water protector used under shingles, metal and slate. “They come in smooth, granulated and a high temperature version for under metal,” Sueta said. “Future generations must consist of a hybrid that is synthetic and able to seal around nails, metal fasteners and metal screws – one that can do it all.”

The manufacturers provided the information contained in the following underlayments roundup. For more information on these products, please contact the manufacturers or visitwww.roofingcontractor.com.

 

ATAS International Inc.

Product Name: ATA-Guard Synthetic Roofing Unerlayment

Application: It can be used under all types of primary roofing materials.

Composition: ATA-Guard is polyolefin based, 100 percent asphalt-free, reinforced underlayment.

Size of roll: It has a nominal thickness of 25 mils and is available in rolls 48 inches wide by 256 feet long (1,024 square feet). Each roll weighs 42 pounds.

Is it breathable? Yes.

Once installed, how long can it be left exposed? 6 months.

Is it walkable? Yes.

Comments: ATA-Guard is a highly engineered, mechanically attached, coated woven synthetic roofing underlayment. Polymers are combined to produce a gray color that is much cooler than traditional asphalt-based underlayments.

Contact information: 610-395-8445, www.atas.com.

ALCO-NVC Inc.

Product Name: ALCO SHIELD: 275, 276 SMOOTH and 277 SMOOTH HT.

Application: 275 and 276 are placed under shingles. 277 HT recommended under metal or granular surface membranes.

Composition: Fiberglass reinforced, polymer modified asphalt. 275 have a granular surface. 276 and 277HT have a filmed surface.

Size of roll: 1 (34 pounds) and 2 (66 pounds) square rolls granular surface. Smooth 1 (32 pounds) and 2 (60 pounds) square rolls.

Is it breathable? No. It is a vapor barrier and must have proper ventilation.

Once installed, how long can it be left exposed? 60 days.

Is it walkable? Weather permitting; use caution.

Comments: It is a fiberglass-reinforced waterproofing layer that under shingles resist ice dam and under metal gives waterproof protection. Easy installation with split back self-adhering technology. Seals around nails, metal roofing fasteners and metal screws.

Contact information: 800-323-0029, www.alconvc.com.

ATAS International Inc.

Product Name: ATA-Shield Self Adhesive Underlayment

Application: Uses include, but are not limited to, application under metal roofing where a water resistant barrier is required. It is also suited for desert climatic conditions.

Composition: ATA-Shield is composed of a homogeneous rubberized asphalt waterproofing compound, glass fiber reinforced, with a polypropylene fabric surface. An aggressive self-adhesive compound is applied to the bottom surface.

Size of roll: Membrane is 80 mils thick; rolls are 3 feet, 3 3/8 inches wide by 65 feet, 8 inches long (200 square feet). Each roll weighs 80 pounds.

Is it suitable for use in high-temp applications (metal)? Yes.

Is it breathable? No.

Once installed, how long can it be left exposed? 90 days.

Is it walkable? Yes. For slopes greater than 3:12, backnailing will be required.

Comments: ATA-Shield is a self-adhering underlayment designed specifically for use under metal roofing.

Contact information: 610-395-8445, www.atas.com .

Atlas Roofing Corporation

Product Name: Gorilla Guard

Application: Asphalt shingles, metal roofing, synthetic slate shingles, metal shingles, wood shakes-shingles, etc.

Composition: Asphalt saturated felt reinforced with glass fibers.

Size of roll: 36 inches by 1411/2 feet (400 square feet per roll).

Is it breathable? Yes.

Once installed, how long can it be left exposed? Cover as soon as possible.

Is it walkable? Yes, same as asphalt saturated felt underlayments.

Comments: Gorilla Guard is a high-performance, glass fiber-reinforced, saturated felt underlayment designed to lay flatter and dry quicker than ordinary saturated felt products. It also has much higher nail holding ability to keep the product on the roof in windy conditions.

Contact information: 770-933-4479, www.atlasroofing.com.

CertainTeed Corporation

Product Name: Roofers’ Select High Performance Underlayment

Application: Roofers’ Select is designed for use on roof decks as a water-resistant layer beneath roofing shingles.

Composition: Roofers’ Select is an asphalt-impregnated, fiberglass-reinforced organic felt shingle underlayment.

Size of roll: Roofers’ Select is approximately 44 pounds per roll and covers 400-square-feet. It is 144 feet in length and 3 feet wide.

Is it suitable for use in high-temp applications (metal)? No.

Is it breathable? Yes.

Once installed, how long can it be left exposed? Roofers’ Select is not designed to be permanently exposed to sunlight or to the weather.

Is it walkable? Yes.

Comments: Roofers’ Select is manufactured to meet ASTM D6757 requirements and is UL classified. It lays flat and is extremely resistant to wrinkling. Roofers’ Select reduces the likelihood of slipping and doesn’t tear away from fasteners when walked on or in strong winds.

Contact information: 800-233-8990, www.certainteed.com.

CertainTeed Corporation

Product Name: WinterGuard Series

Application: Waterproofing underlayment for shingle, metal, slate and tile roofs; also suitable for metal roofs.

Composition: WinterGuard is a composite material of asphalt polymers, formed into a rolled sheet. It is available in three different surface finishes: sand, high temperature (HT) and granular.

Size of roll: HT film (short) 29 pounds, 97.5 square feet. HT film 54 pounds, 195 square feet. Sand film (short) 36 pounds, 32.5 square feet. Sand film 69 pounds, 65 square feet. Granular 72 pounds, 65 square feet. All finishes are 3 feet wide.

Is it breathable? Yes. WinterGuard serves as a vapor barrier.

Once installed, how long can it be left exposed? 6 months.

Is it walkable? Yes.

Comments: WinterGuard HT is specially formulated to resist roof temperatures up to 250 degrees Fahrenheit under metal roofs. WinterGuard Sand and Granular underlayments are designed for use on roof decks as a waterproofing barrier.

Contact information: 800-233-8990, www.certainteed.com.

Cosella-Dörken Products Inc.

Product Name: DELTA-VENT S

Application: Clay tile, concrete tile, slate (asphalt shingles and metal cladding possible, but other DELTA roof underlayments are available which are particularly designed for these claddings).

Composition: Two spun-bonded non-woven PP-layers heat-bonded to a waterproof and highly vapor permeable film in the middle.

Size of roll: Length 164 feet; width 4.9 feet; weight 11 24 pounds.

Is it breathable? Yes. The product is highly vapor permeable. At the same time it is impermeable to water and air (thus can also be used as an air barrier).

Once installed, how long can it be left exposed? Suggested maximum UV exposure time is 3 months.

Is it walkable? Yes. It has two non-slip surfaces.

Comments: DELTA-VENT S is a highly vapor permeable (120 perms) synthetic roof underlayment, allowing moisture within the roof to escape through the membrane. It is ideal for non-ventilated roofs with concrete, clay, or slate tiles.

Contact information: 905-563-3255, www.deltaroofunderlayments.com.

Cosella-Dörken Products Inc.

Product Name: DELTA-FOXX

Application: Clay tile, concrete tile, slate over ventilated or non-ventilated attic spaces.

Composition: Spun-bonded non-woven PET fabric with special acrylic coating (proprietary process).

Size of roll: Length 164 feet; width 4.9 feet; weight 35 pounds.

Suitable for use in high-temp applications (metal)? Yes.

Is it breathable? Yes. The product is highly vapor permeable at around 500 perms. At the same time it is impermeable to water.

Once installed, how long can it be left exposed? Suggested maximum UV exposure time is 6 months.

Is it walkable? Yes. It has two non-slip surfaces.

Comments: DELTA-FOXX is a highly vapor permeable synthetic roof underlayment, allowing moisture within the roof to escape through the membrane. It is ideal for ventilated or non-ventilated roofs with concrete, clay, or slate tiles.

Contact information: 905-563-3255, www.deltaroofunderlayments.com.

Cosella-Dörken Products Inc.

Product Name: DELTA-MAXX TITAN

Application: Clay tile, concrete tile in combination with ventilation space (lath/counter lath installation).

Composition: Needle-punched non-woven PET fabric with special PU-coating (proprietary process), generating an extremely strong underlayment that is waterproof and highly vapor permeable at the same time. On the topside the underlayment is coated with a titanium layer that reflects up to 50 percent of solar radiation.

Size of roll: Length 164 feet; width 4.9 feet; weight 29 pounds.

Is it breathable? The product is highly vapor permeable (commonly described as breathable) at around 40 perms. At the same time it is impermeable to water.

Once installed, how long can it be left exposed? Suggested maximum UV exposure time is 4 months.

Comments: DELTA-MAXX TITAN is a highly vapor permeable synthetic roof underlayment, allowing moisture within the roof to escape through the membrane. it is idela for non-ventilated roofs with concrete or clay tiles.

Contact information: 905-563-3255, www.deltaroofunderlayments.com.

Cosella-Dörken Products Inc.

Product Name: DELTA-TRELA

Application: This underlayment is specifically designed for metal roof cladding (copper, zinc, galvanized steel, etc.).

Composition: Two layers of spun-bonded non-woven PP, heat-bonded to a highly vapor permeable, waterproof film in the middle, with a 3-dimensinal fiber mesh layer heat-bonded to its top side.

Size of roll: Length 98 feet; width 4.9 feet; weight 36 pounds.

Is it breathable? The product is highly vapor permeable (120 perms). At the same time it is impermeable to water.

Once installed, how long can it be left exposed? 3 months.

Is it walkable? Yes. It has two non-slip surfaces.

Comments: Its integrated drainage layer makes it ideal for ventilated or non-ventilated roofs with metal cladding.

Contact information: 905-563-3255, www.deltaroofunderlayments.com.

ECP – Engineered Coated Products

Product Name: Nova-Seal II

Application: Asphalt shingles, cedar shakes and shingles, concrete and clay tiles, metal, slate, stone-coated metal, synthetics.

Composition: Woven synthetic barrier with polypropylene weave and rubber-modified polyolefin coatings. The textured topside provides wet and dry anti-slip protection. Bottom side is designed to reduce slippage.

Size of roll: Width: 4 feet. Length: 250 feet (1,000 square feet per roll). Weight: 32 pounds each.

Is it breathable? Yes. Nova-Seal II Premium Roofing Underlayment is a vapor barrier.

Once installed, how long can it be left exposed? 12 months.

Is it walkable? Yes.

Comments: Nova-Seal II synthetic underlayment lightweight, strong and durable. The textured rubber surface makes installation easy and safe. Meets Miami Dade County Wind uplift requirement.

Contact information: 800-565-2000, www.ecpinfo.com.

GAF-Elk

Product Name: Shingle-Mate

Application: Roof deck protection.

Composition: Fiberglass reinforced felt.

Size of roll: 36 inches by 144 feet (4 squares per roll. 432 square feet), 30 pounds per roll.

Is it breathable? Yes.

Once installed, how long can it be left exposed? Not recommended for extended periods of time.

Is it walkable? Yes, slip resistant surface is walkable, even on steeper pitched roofs.

Comments: Glass reinforced to lay flatter and dry faster resulting in a better looking finished roof. Lightweight, and easy to handle, rolls out easier than traditional felts.

Contact information: 800-ROOF-411, www.gaf.com.

GAF-Elk

Product Name: Deck-Armor

Application: Roof deck protection.

Composition: UV-stabilized polypropylene construction.

Size of roll: 54 inches wide by 222 feet long. 10 squares per roll. 37 pounds per roll.

Is it suitable for use in high-temp applications (metal)? Yes.

Is it breathable? Yes, 16 perms, more than three times greater than standard roofing felts.

Once installed, how long can it be left exposed? 180 days.

Is it walkable? Yes, special slip resistant surface is walkable, even on steeper pitched roofs.

Comments: Deck-Armor’s “breathable” technology helps prevent moisture from becoming trapped. It is extremely tough and tear resistant; with a special slip-resistant surface that provides exceptional walkability.

Contact information: 800-ROOF-411, www.gaf.com.

Grace Construction Products

Product Name: Grace Ultra

Application: For use with all major roof systems, such as shingles, tiles, slate, metal or cedar shakes.

Composition: Grace Ultra is composed of two waterproofing materials – an aggressive butyl rubber based adhesive backed by a layer of high density cross laminated polyethylene.

Size of roll: Roll length: 70 feet; Roll width: 34 inches; Roll size: 198 feet, 2 inches; Roll weight: 42 pounds; 30 mils (0.76 mm) thick.

Is it breathable? Yes. 0.05 Perms (2.9 ng/m2s Pa). Test method: ASTM E96.

Once installed, how long can it be left exposed? 60 days.

Is it walkable? Yes. The slip-resistant surface maximizes traction.

Comments: Grace Ultra is designed to protect sloped roofs from the effects of wind-driven rain and ice dams in applications where the membrane must withstand high in-service temperatures for extended periods of time.

Contact information: 866-333-3SBM (3726), www.graceconstruction.com.

Grace Construction Products

Product Name: Grace Ice & Water Shield

Application: Slate, tile, cedar shakes, metal, asphalt shingles.

Composition: Grace Ice & Water Shield is a premier membrane composed of two waterproofing materials – an aggressive rubberized asphalt adhesive backed by a layer of high density cross laminated polyethylene.

Size of roll: Roll length: 75 feet, 36 feet. Roll width: 36 inches, 36 inches. Roll size: 225 feet 2 inches, 108 feet 2 inches. Roll weight: 61.4 pounds, 33.6 pounds.

Is it suitable for use in high-temp applications (metal)? Yes.

Is it breathable? Yes. 0.05 Perms (2.9 ng/m2s Pa) Test method: ASTM E96.

Once installed, how long can it be left exposed? 30 days.

Is it walkable? Yes. It has a slip resistant embossed surface.

Comments: Grace Ice & Water Shield offers premium leak protection for sloped roofs subject to the effects of ice dams or wind-driven rain.

Contact information: 866-333-3SBM (3726), www.graceconstruction.com.

Grace Construction Products

Product Name: Grace Tri-Flex Xtreme

Application: Tri-Flex Xtreme can be used as a part of all major roof systems, such as shingles, tiles, slate, metal or cedar shakes.

Composition: Grace Tri-Flex Xtreme is comprised of a durable woven fabric, coated with layers of UV-stabilized polyolefin plus a proprietary anti-skid coating on both sides.

Size of roll: Grace Tri-Flex Xtreme is available in 10-square rolls (40 inches wide by 300 feet long). Weight: 31 pounds.

Is it breathable? Yes. 0.04 perms. Test method: ASTM E96, procedure A.

Once installed, how long can it be left exposed? 120 days.

Is it walkable? Yes.

Comments: Grace Tri-Flex Xtreme is an innovative synthetic roofing underlayment featuring an advanced skid-resistant technology. The product is extremely strong, durable, lays flat and is easy to install.

Contact information: 866-333-3SBM (3726), www.graceconstruction.com.

InterWrap Inc./Titanium Products

Product Name: Titanium UDL 30

Application: Sloped, solid roofing decks, 2:12 or greater.

Composition: Titanium roofing products are a highly engineered, mechanically attached, coated synthetic roofing underlayment for sloped roofs. They incorporate advanced polymer chemistry and manufacturing.

Size of roll: 48 inches wide by 256 feet long.

Is it suitable for use in high-temp applications (metal)? Yes,

Is it breathable? No.

Once installed, how long can it be left exposed? 6 months.

Is it walkable? Yes.

Comments: The UDL-30 includes the revolutionary patented slip resistant SURE-FOOT nodular walking surface technology. Buy, sell or specify Titanium Synthetic Roofing Underlayments for the best performance and results.

Contact information: 888-713-7663, www.interwrap.com/titanium.

MBTechnology

Product Name: LayfastSBS TU35

Application: Mechanically fastened. Ideal for tile, shake, shingle, metal, torch, APP and B.U.R.

Composition: SBS Rubberized Asphalt.

Size of roll: Weight: 78 pounds. Length: 64 feet 9 inches. Width 39.75 inches.

Suitable for use in high-temp applications (metal)? Yes.

Is it breathable? Yes.

Once installed, how long can it be left exposed? 45 days.

Is it walkable? Yes. Walkable to 6:12 pitch.

Comments: Contains a higher percentage of asphalt for increased waterproofing, longer exposure time, inorganic fiberglass reinforcement eliminates rot associated with felt. More elastic minimizes buckles and wrinkles by laying flatter and smoother, saving time.

Contact information: 800-621-9281, ext. 32, or www.mbtechnology.com.

MBTechnology

Product Name: LayfastSBS TU43

Application: Mechanically fastened. Ideal for tile, shake, shingle, metal, torch APP and BUR.

Composition: SBS Rubberized Asphalt.

Size of roll: Roll weight: 88 pounds. Length 64 feet 9 inches. Width 39.75 inches.

Is it breathable? Yes.

Once installed, how long can it be left exposed? 45 days.

Is it walkable? Yes. Walkable to 6:12 pitch.

Comments: Contains a higher percentage of asphalt for increased waterproofing, longer exposure time, inorganic fiberglass reinforcement eliminates rot associated with felt. More elastic minimizes buckles and wrinkles by laying flatter and smoother, saving time.

Contact information: 800-621-9281, ext.32, or www.mbtechnology.com.

MBTechnology

Product Name: LayfastSBS TU70

Application: Mechanically fastened, ideal for tile, shake, shingle, metal, torch APP and BUR.

Composition: SBS Rubberized Asphalt.

Size of roll: Roll weight: 68 pounds. Length: 32 feet 6 inches. Width 39.75 inches.

Is it breathable? Yes.

Once installed, how long can it be left exposed? 60 days.

Is it walkable? Yes. Walkable to 6:12 pitch.

Comments: Contains a higher percentage of asphalt for increased waterproofing, longer exposure time, inorganic fiberglass reinforcement eliminates rot associated with felt. More elastic minimizes buckles and wrinkles by laying flatter and smoother saving time.

Contact information: 800-621-9281, ext. 32, or www.mbtechnology.com.

RKW – Group

Product Name: APTRA

Application: APTRA is a breathable membrane, which is the key functional component in the composite for the production of breathable roofing underlayments.

Composition: It is a single-layer membrane, which is used as the key functional component in the composite in the breathable roof underlayment.

Size of roll: Widths are 63, 84, 120 inches; length is 5,000 linear yards (and on customer request).

Is it breathable? Yes.

Once installed, how long can it be left exposed? 60 days.

Is it walkable? APTRA is walkable and suitable for all roof pitches depending on the whole laminate structure.

Comments: ROOFTOPGUARD II and Aptra film are the original synthetic roofing materials that have set the standard for the roofing industry in North America and Europe. APTRA can also be delivered printed and in custom sizes.

Contact information: 877-717-5987, www.rooftopguard.comwww.rkw-group.com



The Authentic Choice
by admin on February 23, 2012

Often Imitated, Never Duplicated. Western Red Cedar Shakes and Shingles: Renewable Resource, durable, lightweight, high wind resistance, energy saving…. just to name a few.

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