If you live in an area with inclement weather you should consider using a special ice and water protector.
Roof shingle installation manual.
Center a minimum 610 mm 24 wide minimum 28 gauge pre finished galvanized metal valley liner in the valley and fasten with only enough nails to hold it in place nailing at the edges only.
Use 4 nails per shingle and 6 nails on the prevailing windward sides of the roof as wind resistance nailing.
Start by laying asphalt felt or other underlayment over the roof.
3 bundles 1 bundle of 20 and 2 bundles of 22 when applied according to instructions will cover 98 4 square feet 9 14 square meters.
Using your staple gun secure the felt to the roof.
Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.
Overlap each row at least 3 to 4 inches.
Installation instructions instrucciones de instalación general instructions coverage.
Butt a full shingle up against the cut shingle and nail into place.
Most metal shingles will be attached to the roof using metal shingle.
The purpose of this guide is to provide you with quality instructions and detailed procedures on roof application and product installations following the asphalt roofi ng.
Panel installation should begin at the gable end of the roof opposite the prevailing rain bearing wind this will provide added assurance against wind driven rain being forced under the laps.
Overlap each metal piece by at least 150 mm 6 and use asphalt plastic cement under each section of overlap.
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Gaf shingles must be installed on slopes of 2 12 or greater.
Apply 1 spots of asphalt roofing cement under each corner and at about 12 to 13 in from each edge.
At this point chalk a line from ridge to eave.
Use minimum 3 8 10 mm plywood or osb decking as recommended by apa the.
Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.
Asphalt roofing cement should meet astm d 4586 type ii.
Use six nails and four spots of asphalt roofing cement for every full shingle for every full shingle as shown below.
Roofer s guide to roof installation.
Measure one panel width in from the roof edge.