Waterproofing is carried out under the roof tiles by using special sealing membranes.
New roof without nails.
Shingles are designed to be nailed in specific locations and the nail must be driven to a certain depth.
There is a right way and a wrong way to nail a shingle to a roof.
Use a utility knife to cut the roll roofing so that it s even with the edges of your roof.
Green roof construction and maintenance kelley luckett mcgraw hill professional 2009 isbn 10.
To determine the nail length you should consider the number of layers of shingles shingle thicknesses underlayment and flashings installed on eaves sidewalls and valleys etc.
Hammer the nails in at 10 inches 25 cm intervals across the roof.
Roofing nails should be long enough to penetrate the roofing material and go 19 mm into osb solid wood plywood or non veneer wood decking or through thickness of decking whichever is less.
The importance of nail placement.
The nails should be inserted every 6 inches across the felt.
I see it all the time.
At the end of the day the placement of each nail will determine the durability of your shingles.
Step 4 set the first layer.
Hammer nails into the rolled roofing to secure it.
Make sure you use a strong hammer and 1 inch 2 5 cm roofing nails.
Waterproofing a tiled roof is necessary since the layer of roof tiles is not completely water impermeable.
Using a fast nail gun can be dangerous and does not insure a good roof installation.
That is why it is important to use roofing nails when doing a roofing job.
Lay the felt over your roof and attach it with cap nails.
Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros.
Pros and cons of hand nailing and nail gun roofing.
Start at the bottom of your roof and roll the roofing all the way to the top of your roof.
Water may penetrate either through cracks or imperfections in the roof tiles construction or under the appropriate combination of rain and wind.
Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface.
Key questions to ask at each stage of the green building process tested tips and techniques for successful structural design construction methods for new and existing buildings information on insulation drainage detailing irrigation and plant.
Roofing nails are made of galvanized steel to protect them from the elements.
Nails not places correctly will cause roof failures and this is very common with nail guns.