Because green roofs require professional design careful structural analysis and multiple layers and systems even extensive green roofs usually start at 8 per square foot significantly more expensive than the 1 25 per square foot for built up roofs burs source.
Quiz on green roof terminology.
Allow the contractor to choose what products to install and how to install them as long as specified performance goals are met.
What is the proper valley for a wood shingle or shake roof.
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Drainage growing medium and plants performance specifications.
Different roofing materials have different life spans and each comes with its advantages and disadvantages.
The same roof has a 4 12 or 1 3 pitch.
The initial expense of green rooftops often turns away prospective clients.
The rise is the number of inches within one foot 12 inches in case you forgot of run.
Terms in this set 53 open valley.
A roof is an essential part of a house but roof maintenance can be a hassle.
Ohio energy project 47.
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The process of sticking to a surface or object aggregate.
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Often used in built up roof systems as gravel.
Visit green roof technology s website for a list of terminology and definitions associated with living walls eco roofs and sky gardens.
For all roofs steeper than a 4in 12 pitch.
A green roof system which combines one or more layers in a single pre manufactured product e g.
Roof section 126 terms.
The terms pitch and slope are simply two different ways of expressing the same measurement.
Gable roofs often have steeper slopes than hip style roofs.
Two points of comparison.
A roof with a slope of 6 12 is steeper t han a roof with a slope of 4 12.
Pitch is the incline of the roof.
It is usually used only on the first 3 feet up at an altitude of 7 000 feet or more.
This webinar will evaluate the performance and ability to repair field aged tpo roof membranes review in service performance of tpo roof membranes in various climates throughout the u s and assess tools to determine when it is appropriate to specify tpo roof membranes.
A pattern of cracking on a bitumen roof surface whic looks like an alligator hide.
Code allows new roofing to be installing without removing the existing roofing if the roof.
To stick a roof system by means of a construction compound or substance.
Many elements of earth used to improve a roofing systems stability.
And along the gutter edge of a roof.