2015 seattle energy code r 21 over the top of the attic insulation.
City of seattle attic vents.
Ventilation rate as prescribed in table m1507 3 3 1 that is multiplied by the factor listed in table m1507 3 3 2.
Seattle has adopted the 2015 international mechanical code with amendments specific to our jurisdiction.
Other options to meet your attic ventilation needs are.
1203 1 equipment and systems.
Box 34019 seattle wa 98124 4019 phone.
700 5th ave suite 2000 seattle wa 98104 mailing address.
Interior spaces intended for human occupancy shall be provided with active or passive space heating systems capable of maintaining an indoor temperature of not less than 68 f 20 c at a point 3 feet 914 mm above the floor on the design heating day.
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R402 2 4 access hatches and doors.
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Box 34019 seattle wa 98124 4019 phone.
Box 34019 seattle wa 98124 4019 phone.
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The seattle mechanical code regulates design and installation of mechanical systems appliances appliance venting duct and ventilation systems combustion air provisions hydronic systems and solar systems.
Standard attic vents like af 50 s ventilation fans or solar powered attic fans.
Part of a multi departmental city of seattle series on getting a permit.
If you are in the puget sound area of washington state and would like to have a free attic ventilation evaluation or roof estimate please contact us at 253 445 8950 or fill out our quick estimate form.
The baffle shall be per mitted to be any solid material.
700 5th ave suite 2000 seattle wa 98104 mailing address.
Roof and floor framing plans including existing.