Roof baffles are a type of ventilation method installed in attics. The baffles create airflow to allow the attic to breathe properly and keep moisture and heat from causing mold or wood rot problems. More »

Expanded and extruded polystyrene are two types of roof insulation. Other types are blown-in fiberglass or cellulose. Proper use depends on budget, ease of installation, available space and resistance to moisture. More » Home & Garden Outdoor

Commercial ventilation hoods can be purchased from Hood Mart, Central Restaurant Products and Grainger, as of 2015. These large hoods help cool areas where cooking and other high-heat applications take place, and each su... More » Home & Garden Home Maintenance Building Materials

Butyl tape can be used to reinforce underground pipes and joints likely to corrode, or it can be used to seal air vents, ventilation systems and more. Butyl tape can also be used in emergency situations for quick car rep... More » Home & Garden Home Maintenance Building Materials

Active Ventilation Products Inc. and GAF each sell roof ventilation systems on their respective websites. Each site offers several products for residential use to improve the efficiency of attic insulation. More » Home & Garden Home Maintenance Building Materials

To get the most effective attic ventilation, it's best to choose different types of roof vents that work well together, such as the soffit vent, the ridge line vent and the gable vent. Add an attic floor or gable fan and... More » Home & Garden Home Maintenance Building Materials

Insulation type, whether for attics or walls, and the material it is made from determine the R-value of the installation. The R-value measures how well the insulation resists the flow of heat, explains Today's Homeowner.... More » Health Medical Ranges & Levels