That reduction of air and moisture infiltration can then help improve roof longevity.
Roof make up air termination detail.
Often spf roof systems are terminated with perimeter edge metal flashing that is commonly referred to as a foam stop.
Heating options include direct gas fired indirect gas fired steam hot water and electric resistance.
If the foam stop has a vertical height less than 1 inch nrca recommends installing a v groove filled with elastomeric sealant.
Suction diffuser todrain combination boiler feed and low water cut off 3 waycontrol valve vlv b1 01 lowwater cutoff cw make up.
Download free high quality cad drawings blocks and details of roof vents.
See detail pressure gage typ outdoor air thermostat setatdf et 1 diahragm expansion tank see detail automatic air vent from heating system air separator gate valve typ flexible type mechanical couplings typ.
Tpa 108 roof perimeter flashing detail tpa 206 tremlock fascia edge detail 8 4 7.
Includes general information pertaining to grease ducts and their connections to hood and roof exhaust fans exhaust fan details makeup air details and suppression systems etc.
Select from a variety of make up air units for commercial industrial and kitchen applications.
Please ensure the following items are fully addressed in the design documents.
Please note that this list is a minimum scope of what we will be reviewing.
A roof design that includes an adhered roof membrane with multiple layers of insulation with board joints offset and staggered over a vapor retarder air barrier helps lower the risk that air and the moisture it carries will infiltrate the roof system.
Tpa 611 membrane termination at slope roof tpa 621 lightning cable support strap detail 8 4 15.
The purpose of these guidelines which cover curb and roof penetrations and sealings is to set forth good construction practices.
Air barrier application details for all w.