Gcp applied technologies grace ice water shield roofing underlayment requires side laps to be a minimum of 90 mm 3 5 in and end laps a minimum of 150 mm 6 in.
Propper roof p.
Roof pitch is simply the slopecreated by the rafter.
Roof pitch is often expressed as a ratio between rise and run in the form of x 12.
There is a direct connection between membrane performance and proper application.
The amount of space you devote to intake must be equal to the amount you allow for exhaust and these must be calculated according to the size of your attic and slope of your roof.
A ridge vent is a ventilation strip that is placed along the ridgeline of the home.
The key to proper ventilation of your roof and attic is balance.
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Interior ventilation kitchens bathrooms and laundries are the.
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Proper interior ventilation is vital to your family s health and comfort.
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Proper steps to shingle a house roof.
A solid watertight roof is absolutely essential to your home but the asphalt shingles that protect your roof from the elements don t last forever.
Even the simplest of rooflines has dozens of potential leaks sites due to chimneys ridges valleys etc.
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It helps your home rid itself of moisture smoke cooking odors and indoor pollutants.
The majority of roof leaks occur in locations where the plane of the roof is interrupted by a ridge another roof intersecting at an angle a wall or penetration.
Proper detailing around these areas as detailed in the diagrams is critical.
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It can be assessed in two ways either as the angle the rafter makes with the horizontal or the proportion between the rise and the run of the roof.
Minimum overlap guidelines are set by the manufacturer.