SBC EHD0810399 Installation Guide
Contents
1. 5 in x 16 in Natural Kiln Dried Eastern White Cedar Shingle Siding General Installation Instructions e Always work from the bottom to the top e To calculate the number of courses to be installed Measure the surface area to be covered and divide it by the desired exposure Adjust the exposure to produce even courses Leave at least 4 10 2 cm for the last course at the top e Draw a line or use a board to align shingles horizontally e For the first row wall roof always lay a double course of shingles and offset them by at least 1 1 2 3 8 cm so that joints do not line up The bottom course should extend at least 1 2 5 cm from the top of the foundation or eaves e Use 2 fasteners per shingle at about 3 4 1 9 cm from each edge and at 1 2 5 cm above the butt line of the overlapping shingle If shingles are wider than 8 20 3 cm use 2 additional fasteners driven 1 2 5 cm apart near the center of the shingles e Leave a gap of approximately 1 8 to 1 4 0 3 to 0 6 cm between neighboring shingles to allow for expansion due to moisture e Joints of successive courses must always be offset by at least 1 1 2 3 8 cm to prevent water build up Treat shingle imperfections the same way e Never allow joints from any 3 consecutive courses to line up Exposure e To prevent buckling use a 5 12 7 cm maximum exposure Fasteners e Rust resistant galvanized aluminum or stainless nails or2. s that completely cover up the corner Existing Construction two possible methods e Remove existing siding or roofing material and proceed in the same way you would with a new construction or e Install shingles directly on top of the original covering and ensure that nails can be solidly driven into the surface below Hips and Ridges two possible methods e Choose same width shingles specifically 4 to 5 10 2 to 12 7 cm Alternately overlap all shingles on both sides e The first row must be a double course Using two nails approx 2 5 1 cm long install hip and ridge caps or e Use prefabricated hip and ridge units Their mitered joints and concealed nails can save considerably on installation
3. staples 1 1 4 to 1 1 2 3 2 to 3 8 cm long Fasteners must penetrate at least 1 2 1 3 cm into the underlayment For staples use 7 16 1 1 cm minimum crown Ventilation e It is important to ensure adequate circulation of air underneath shingles in order to enhance their durability reduce moisture and save energy e Install horizontal wooden laths 1 x 3 or 1 x 4 2 5 x 7 5 cm or 2 5 x 10 2 cm setting them apart by a distance equal to the exposure centre to centre Nail shingles directly to them You may wish to consider using Home SlickerTM on walls or Cedar BreatherTM on roofs Angles Corners Openings Edges e Flashing which comes in various materials sizes and shapes is required for all of the above features It is important to ensure that local building codes are respected Depending on the risks of seepage flashing generally extends approximately 4 to 8 10 2 to 20 3 cm on either side In addition to concealing structural cutting imperfections that may occur appropriate properly installed flashing is instrumental in preventing rotting water and insect infiltration When installing flashing care must be taken to not drive nails near the center especially in the case of roofs e It is also recommended that joints in infiltration prone areas be caulked with silicone Wall Corners two possible methods e Use shingles by alternating the courses on both walls weave corners or e Use board
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