Sentences with phrase «increased airtightness»

Not exact matches

Despite increasing standards of insulation and airtightness, housing developers face few requirements to provide better ventilation and indoor air quality for new home buyers — beyond knocking extra holes in walls.

Jobs: Very low energy and Passive House buildings require increased attention to enclosure construction and the installation of insulation, airtightness and high quality windows.

Airtightness of buildings, for example, has increased because many building codes now require testing.

If a builder achieves an airtightness level of 5 cubic metres of air leakage per hour, or better, and chooses so called «natural» ventilation, he must increase the equivalent area of background ventilation by 40 %.

The increased R - value and airtightness improves energy efficiency and occupant comfort through reducing drafts and improving surface temperatures.