Smoke testing a building for air leakage during a Retrotec blower door test in Glasgow

Smoke testing and thermography work well with @retrotec blower door fans to find points of air leakage!

#airpermeabilitytestscotland
#blowerdoorfans
#retrotec
#thermography
#heatlossconsultancy
#smoketesting
#airtightnesstestingedinburgh