Ask Category Exterior Repair and Maintenance

By uncovering hidden conditions, investigative probes help minimize surprises during construction.

New York has more than 6,000 sidewalk sheds. Here’s what you should know about costs, permits, safety, and more.

Different types of masonry require their own cleaning agents and applications.

Inadequately insulated piping, poor ventilation, and exterior leaks provide moist environments where mold spores thrive.

Products and materials that help keep projects environmentally friendly.

Keeping your building systems properly maintained will help prevent cold-weather problems.

A dilapidated fire escape is an accident waiting to happen.

The DOB rejects LL 11/98 facade inspection reports that cite unsafe window air conditioners.

Cracked and stained concrete, loose railings, and “icicles” are signs of balcony deterioration.

Identifying common symptoms of wall distress early on can prevent a small issue from becoming a costly disaster.

Replacement materials replicate the style of an original cornice at lower cost and maintenance.

Thermally insulated double-paned windows provide energy efficiency and noise reduction.