Then the membrane is installed over the loose laid rigid insulation.
Fully adhered vs loose laid roofing system.
This method is more expensive slower and can lead to additional challenges because large quantities.
According to the basic application procedures they differentiate three basic rubber roofing types.
This system should only be used over an air impermeable roof deck or over an air barrier.
The membrane is fully adhered around the roof perimeter but elsewhere the membrane is only loose laid.
Loose laid air pressure equalization system.
Vapor barriers should only be omitted from projects as a recommendation by the design team after careful consideration for the climate zone and building use.
A layer of gravel or small stones is applied on top of the final coating of asphalt to protect the roof from the elements including ultraviolet uv rays and hail.
Firestone fully adhered system fas application.
Here alternating layers of roofing felt usually fiberglass and hot applied asphalt are combined to create a long lasting roof system.
Fully adhered systems are lightweight and ideal for a wide range of building sizes and geometric configurations including high slope applications.
The rigid insulation is loose laid with a plate and fastener installed here and there to prevent excessive movement.
All membrane flashing and other detail work is completed.
Even if cases of leaking or damage take place repairing such systems is easier and more affordable.
Adhered roofing systems from sika roofing provide an aesthetically pleasing roofing application that delivers superior watertight protection this protection is the result of time tested membranes hot air welded seams and a wide variety of system configurations to match the unique needs of individual building designs.
The firestone tpo fully adhered system is a lightweight system with outstanding design flexibility it is suitable for contoured roofs roofs with irregular shape and any roof with limited load bearing capacity provided the substrate is compatible with firestone contact adhesives and provides sufficient adhesion.
Roofs that are fully adhered are glued directly to the insulation below.
This requires the 4 x8 insulation boards to serve the dual role of insulating and securing the roof to the metal deck which requires far more screws.
Whether loose laid or fully adhered projects in the midwest should always consider a vapor barrier in the roof system as a first option to protect the roof insulation over the long term.
Finally the ballast stone or and pavers are laid down throughout the roof system.
