Blower Door Test New Construction

Simply put a blower door is a diagnostic tool used to measure how much air infiltration air leakage occurs in a house.

Blower door test new construction.

Derwort construction llc is a local construction company founded in 2015. Many builders have asked us for a blower door testing checklist in order to prepare themselves for the test. Getting a blower door test for your central new york new construction project will help you ensure the correct building tightness helping you avoid overuse of energy due to air leakage avoid moisture problems avoid cold air drafts and find out how much ventilation you ll need to ensure the right indoor air quality levels. Understanding blower door test results.

We specialize in new construction custom homes as well as blower door testing and duct work testing with certification through the building performance institute inc. Because the air leakage is so important this test is required by building code. In new construction a blower door test is performed at the completion of the home building process and if the house is found to be drafty the builder will have to seal the leaks and then have. Think of it this way.

Bpi which is accredited by the american national standards institute inc. I have read some of the articles on here about blower door testing and most appear to focus on existing construction. I m interested in doing a blower door test on my new construction house. Last year we built an energy star home for a customer and we used a blower door test to evaluate the houses air infiltration performance.

Because even at just 3 0ach50 increasing the airtightness of the building envelope will make a huge difference for the comfort and the. An air tight home is a demonstration of a higher quality of construction. Blower doors consist of a frame and flexible panel that fit in a doorway a variable speed fan a pressure gauge to measure the pressure differences inside and outside the home and an airflow manometer and hoses for measuring airflow. Many cities and counties along the front range require that the overall air infiltration of a new construction residence be tested and verified to be in compliance with the applicable area s.

New construction blower door testing. There are two types of blower doors. In most of the united states blower door testing is a relatively new construction code requirement. We hope to answer these questions below.

One article said to preform the test on new construction after insulation but before drywall. While many builders get blower door tests done on their builds not as many stick around and watch the process. For builders watching the process can help improve their processes for their next build. Our reaction airtightness is for everyone as a company built on airtightness we have always pushedthe building industry and building codestoward progressively tighter and tighter building goals.