Attic Ventilation Smoke Test

2 2012 by marion j.

Attic ventilation smoke test.

How to check attic ventilation. Smoke test candles non toxic white smoke contains no zinc or oil and leaves behind no residue. It can do both. The smoke and the wick itself are non toxic with no shipping regulations.

Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. Intake vents located at the lowest part of the roof under the eaves allow cool. To inspect your attic ventilation you can hire a professional roofing contractor or you can simply do it yourself. Ridge vent must me installed per the manufactures instructions.

Smoke test candles can help provide valuable information on ventilation systems air leak detection or balancing with an economical and practical method of generating a realistic swirling non toxic smoke with a particle size of 3 2 5 microns. This cool burning non toxic emitter is ideal for air balancing verifying ventilation testing smoke alarms test for negative or positive air pressure. Best ventilation is open soffit venting to a open vented ridge vent. The smoke test can give you a good idea of your home s existing attic ventilation but it may take a professional roofing contractor to determine if the amount is sufficient or excessive.

Lougheed angie s list contributor. Insulation at least r 38 or more is there for heating and. To avoid rotting wood clumping insulation and mold your attic needs to be properly ventilated. Nih ors division of occupational health and safety june 2011 local exhaust ventilation testing protocols 2 downdraft sinks that meet the performance testing criteria identified in part ii of the test are considered to.

This procedure can locate any air leaks in your attic as well as determine if there s any open ventilation. Moreover if you have asphalt shingles on the roof attic.