King of Prussia's Exterior Waterproofing Specialists
Stop water before it reaches the wall
Get a free exterior waterproofing review when the same wall keeps leaking.
King of Prussia's Exterior Waterproofing Specialists
Get a free exterior waterproofing review when the same wall keeps leaking.
Exterior waterproofing attacks the problem from the soil side of the foundation. The contractor excavates to the footing, cleans and repairs the wall, applies waterproofing material, protects it with drainage board, and routes water away before it presses into the basement.
This method can be effective for King of Prussia homes where the leaking wall is accessible. It may be considered when one side of the basement leaks repeatedly, exterior grading traps water, an old coating has failed, or the homeowner wants to reduce water contact with the wall before finishing the basement.
Access determines the scope. Patios, sidewalks, attached garages, porches, landscaping, buried utilities, window wells, and tight side yards can make full excavation difficult or expensive. Some homes are better served by an interior drain tile system, while others benefit from targeted outside work along the problem wall.
Exterior waterproofing is usually more invasive than interior drainage, but it can reduce the water load at the source. A written estimate should include excavation depth, wall preparation, crack or mortar repair, membrane type, drainage board, footing drain, backfill, grading, discharge, and site restoration.
Exterior waterproofing should address the outside wall surface, footing drainage, and the site conditions sending water toward the foundation.
Soil is removed to expose the foundation where access allows. The wall is cleaned, inspected, and repaired so waterproofing materials bond to a sound surface.
A waterproofing membrane is applied to the prepared foundation wall, then protected with drainage board. The board helps direct water down instead of letting soil press directly on the coating.
Drainage at the footing may be installed or repaired, then routed to a sump or approved discharge. Backfill, grading, and surface restoration are part of making the repair hold up.
King of Prussia homes often have patios, utility lines, attached garages, and mature landscaping near the foundation. The contractor should confirm what can be reached before recommending outside work.
A membrane over loose material or an unrepaired crack can fail early. The scope should include cleaning, patching, crack repair, and surface preparation where the foundation needs it.
Request an exterior wall review before choosing between excavation and interior drainage.
Free — no obligations
The contractor checks grading, utilities, patios, walks, landscaping, property lines, and where water collects near the leaking wall.
The wall is excavated where practical so cracks, coatings, footing conditions, and pipe penetrations can be inspected.
The foundation is cleaned, repaired, waterproofed, and protected with drainage board or another approved material.
Footing drainage, discharge routing, backfill, grading, and site restoration are completed according to the written scope.
