Sliding Door Mullion Air Infiltration

Fixed picture windows offer the most resistance to air infiltration.

Sliding door mullion air infiltration.

An entry door typically found in the rear of a home or building. Combination mullion a horizontal or vertical member formed by joining two or more individual fenestration units together without a mullion stiffener. Market and lower air and water ratings for canada if thinner weatherstrips are required to meet the canadian operating force requirements. Composite unit a fenestration product consisting of two or more sashes leaves lites or sliding door panels within a single frame using an integral mullion.

Swinging doors and f842 sliding doors at a performance level 10 rating. Air leakage is the rate of air movement around a window door or skylight in the presence of a specific pressure difference across it. Maximum size tested mst test size is a factor in determining compliance with this standard specification. The assa abloy sl500 ecodoor automatic sliding door can be equippped with a variety of features to radically reduce air infiltration in your facility and reduce energy costs.

Built on the foundation of the high performance aa 3200 thermal sliding doors and the new isopour thermal break technology the new sliding doors are the ideal choice for architects contractors and developers seeking reliable. Casement windows with multiple locking points and compression seals are the most air resistant operable window. Ecodoor seals ecomode significantly reduce air infiltration and energy costs with assa abloy ecodoor seals. And lower air and water ratings can result in a lower overall performance.

Distinguishing between these mullion types is important because they are essential for describing two very different types of fenestration products. Take the case of a sliding sash product for example. Water test pressure us. It may achieve higher air and water ratings tested under table 7 for the u s.

The allowable air infiltration for r lc cw is 0 3 cubic feet per minute per square foot of frame cfm ft. Each product type and class has a defined minimum. One of two or more sliding doors that by passes another door s in a door opening in a horizontal direction. 15 20 of design pressure capped at 12 psf 580 pa.

A product with a low air leakage rating is tighter than one with a high air leakage rating. Composite unit a fenestration product consisting of two or more sash leaves lites or sliding door panels within a single frame utilizing an integral mullion. Operable windows such as double hung and sliders can experience more air infiltration because they have a moveable sash with sliding seals. The aa 3200m thermal sliding door delivers superior thermal performance at a great price for any type of setting weather conditions or building type.

Also to prevent air infiltration. Air leakage testing us tests infiltration only canada tests both infiltration and exfiltration to arrive at a2 a3 or fixed levels operating force canadian products easier to operate operating force can affect air and water tightness.