Gaines Group Architects
caulk electrical outlets

Green Terms Defined Summary 2015

 Green Terms Defined Summary 2015 2012 International Energy Conservation Code: Minimum energy code standards adopted by the Commonwealth of Virginia Air Changes per Hour (ACH): the measure how many times the air within a defined space is replaced. ASHRAE 90.1: a standard in the...
Custom Home Harrisonburg

Green Term Defined: Vapor Barrier

A vapor barrier is a barrier that reduces the rate that water vapor can move through a material.  There is discussion in the industry if a true vapor barrier is even possible. This has led to the use of the term Vapor Retarder. Vapor retarders limits moisture from passing through...
solar chimney

Green Term Defined: Natural Ventilation

Natural Ventilation is the process of supplying and removing air by natural means from building spaces by using windows, doors, solar chimneys, and non-powered ventilators. Most of us spend about 90% of our time inside of a building. As a result, the indoor air quality is...
BRAFB Project

Green Term Defined: ASHRAE 90.1

ASHRAE 90.1 is a standard in the US that provides minimum requirements for energy-efficient designs for buildings except for low-rise residential buildings. The standard was first created in 1975. It has since been updated on a regular basis in 2004, 2007, 2010, and 2013. There...
light shelf

Green Term Defined: Light Shelf

A light shelf is a horizontal overhanging element located above the eye-level and typically having a highly reflective upper surface. Sunlight hits the top of the light shelf and bounces inside of the structure hitting the ceiling. This brings light deeper into the structure that...
thermal curtain

Green Term Defined: Insulating Curtains

Green Term Defined: Insulating Curtains Insulating curtains have a lining that resists temperature change and are heavy enough to stop air flow. These curtains will help reduce the amount of energy needed to keep a space comfortable. They come in many styles, colors, and textures...
thermal image

Green Term Defined: Heat Flow

Green Term Defined: Heat Flow When two objects with different temperatures come together, energy will be transferred from the object with a higher temperature to that with the lower temperature. The objects exchange thermal energy until each have reached the same temperature or...
encapsulated crawl space

Green Term Defined: HVAC (Heating, Ventilation, Air Conditioning System)

HVAC stands for the Heating, Ventilation, and Air Conditioning system in your home or business. The system should be able to heat and cool your home to create a comfortable living environment. It should also have a source for bringing in fresh air and to control humidity. An HVAC...

Green Term Defined: Ceramic Tile

Green Term Defined: Ceramic Tile Ceramic tile is made from clay that has been permanently hardened by heat, often having a decorative glaze. Ceramic is a word derived from the ancient Greek “keramos” meaning “of fired clay.” A properly installed ceramic...
insulated concrete form

Green Term Defined: Insulated Concrete Form

Green Term Defined: Insulated Concrete Form Insulated concrete form (ICF) is a wall building system made of reinforced concrete and most commonly rigid thermal insulation. The forms are stack and have the appropriate amount of steel reinforcing added vertically or horizontally....