To check for moisture inside your walls, begin by looking for visible warning signs such as discoloration, bubbling paint, soft drywall, damaged baseboards, peeling wallpaper, or musty odors. You can then scan the affected area with a pinless moisture meter and...
What Can Cause Inaccurate Moisture-Meter Readings?
Moisture meters are valuable tools for locating areas of elevated moisture in walls, ceilings, floors, wood, drywall, and other building materials. However, a high reading does not always mean that an active water leak is present. Metal, incorrect settings, surface...
What Does a Moisture Map Look Like?
A moisture map usually looks like a floor plan, wall diagram, photograph, or inspection report marked with moisture readings, symbols, notes, and highlighted areas. These markings show where elevated moisture was detected, where dry reference readings were taken, how...
What Is Moisture Mapping?
Moisture mapping is the process of systematically inspecting, measuring, and documenting moisture conditions throughout a building. Instead of checking only the area where a stain, drip, or musty odor appears, an inspector takes readings across walls, ceilings,...
What Is Grade 3 Waterproofing?
Grade 3 waterproofing generally refers to the highest internal-environment performance level described by British Standard BS 8102:2022 for below-ground structures. It is commonly specified for basements and other below-grade spaces intended to be occupied, finished,...
How Do You Choose a Waterproofing Contractor?
Choosing the right waterproofing contractor begins with confirming that the company is properly licensed, insured, and experienced with the specific type of moisture problem affecting your property. A qualified contractor should inspect the property, determine where...
Which Type of Waterproofing Is Best for a Roof?
The best roof waterproofing system is not the same for every property. The right choice depends on the roof’s slope, existing material, age, drainage design, surface condition, building use, and the location of any active leaks. A system that works well on a...
Can a General Contractor Perform Waterproofing Work?
A general contractor may be able to perform or manage waterproofing work, but the answer depends on the contractor’s license classification, the exact project scope, and the type of waterproofing involved. In California, a general building contractor cannot...
How Do You Find a Roof Leak Without an Attic?
You can find a roof leak without an attic by combining an interior moisture inspection with a detailed exterior roof evaluation. Moisture meters, thermal imaging, roof-surface observations, drainage analysis, and controlled water testing may also help narrow the...
Will Homeowners Insurance Pay for a Leaking Roof?
A leaking roof can quickly become more than a minor inconvenience. Water may damage ceilings, drywall, insulation, flooring, electrical components, furnitomeowners discover water stains or dripping during a storm, one of their first questions is usually: Will...

