M-D Building Products

The M-D Felt Weatherseal protects against drafts, moisture, dust and insects. Save on energy by sealing doors and windows to keep the heat or air conditioning from escaping. Before installation, cut to desired length by using scissors. *

The M-D Felt Weatherseal protects against drafts, moisture, dust and insects. Save on energy by sealing doors and windows to keep the heat or air conditioning from escaping. Before installation, cut to desired length by using scissors. *

The M-D Plastic Heavy-duty Turbine Vent Cover protects the home during the cold winter months. This product provides a protective barrier against snow and rain fall entering through vents. Simply place the cover over an existing vent, and tie the included cords securely around the vents base for easy installation. *

The M-D Air Conditioning Cover protects the unit from water, ice, dust and drafts during the winter. Save on energy by extending the life of your air conditioning unit. For installation, simply place the cover over the unit and hold cover in place with elastic hooks. *

The M-D Air Conditioning Cover protects the unit from water, ice, dust and leaves during the winter. Save on energy by extending the life of your air conditioning unit. For installation, simply place the cover over the unit and hold cover in place with elastic hooks. *

The M-D Dual-purpose Light Switch Sealer protects against drafts. This can be used on interior and exterior light switches. Save on energy by reducing the loss of heat or air through switch plates. Install with a screwdriver. *