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Please click on the bulletin topics for more detail:

#1Proper Ventilation for Asphalt Shingle Covered Roofs

#2Ventilating Roofs Over Cathedral Ceilings

#3The Use of Underlayment With Asphalt Shingles

#4Distortions on asphalt shingles

#5Asphalt shingles test standards

#6Re-roofing

#7Curling of asphalt shingles during winter

#8Cold weather recommendations for application of asphalt roofing shingles

#9Buckling of asphalt shingles

#10Preventing problems from ice dams

#11Wind protection of asphalt shingle roofs

#12Water soluble light asphaltic oils

#13Algae discoloration of roofs

#14Effects of hail on asphalt roofing shingles

#15Severe icing of asphalt shingle roofs

#16Installation of asphalt shingles on low sloped roofs

#17Colour shading of asphalt shingle roofs

#18Excess roofing granules on shingles

#19Colour fading of roof shingles

#20Asphalt shingles - organic or glass?

#21Blistering of asphalt shingles

#22"Troughing" of glass shingles

#23Applying Shingles on Steep Slopes and Mansard Roofs

#24Shingle Release Film

#25Proper Installation of Drip and Rake Edges

#26Usefulness and Qualifications of Roofing Granules

#27Asphalt Shingles and the Environment

#28Use of Roof Water Run-Off

#29Sampling of Shingles for Compliance to CSA Standards

#30Hot Weather Recommendations for Application of Asphalt Roofing Shingles

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The information contained in these bulletins is for general education and is not intended to replace advice from a qualified contractor or direction on usage/installation from the manufacturer. Consumers should be aware of the safety hazards associated with work on roofs and, before doing so themselves, should consider following CASMA's advice of using qualified contractors. These bulletins may be reproduced with permission on condition that they be reproduced in whole, unedited, with attribution of copyright to CASMA.

© 2008, Canadian Asphalt Shingle Manufacturers' Association