Exterior waterproofing addresses the source directly: excavation, membrane application, and footing drainage designed to keep water away from the wall in the first place, permanently.
Call +1-866-476-1348
What "specialized" actually means for exterior waterproofing at our company — not a marketing word, a set of specific practices.
Certification covers grading assessment and rubberized membrane application to manufacturer spec, verified on every job.
Initial exterior assessments, requiring a full perimeter walk, are typically scheduled within a few days across our service area.
No surprise charges for unexpected utility lines or rock encountered during excavation — those are flagged and discussed first.
We apply rubberized asphalt or sheet membrane rated for permanent below-grade exposure, not a consumer coating that degrades in a season or two.
Each service below is scoped specifically to exterior waterproofing, not a generic waterproofing menu with the name swapped in.
We excavate along the affected wall section down to the footing, prep the surface, and apply a rubberized membrane rated for permanent below-grade exposure. This is the most thorough exterior fix available and typically carries the longest service life.
Older homes often have drains that have silted in or collapsed over decades — we assess and replace where compromised.
We regrade the perimeter to direct water away from the structure and coordinate downspout extensions as part of a complete fix.
We install well drains tied into the footing drain system with a clear cover to reduce debris.
Cracks and cold joints exposed during excavation get treated directly from the outside before the membrane goes over them.
Here's what happens between your call and a completed exterior fix.
Describe what you're seeing from outside — pooling water, visible staining on the wall, saturated soil — and dispatch routes a crew equipped for exterior assessment.
You'll get a text confirmation with an arrival window and any documents needed, like utility locate authorization.
A full grading and drainage evaluation identifies whether the fix needs excavation, drain repair, or grading correction alone.
Membrane and footing drain work carries a written warranty against failure at the treated wall section.
Real feedback from Bel Air-area customers who called us for exterior waterproofing.
"They found our footing drain had completely collapsed after thirty years — explains why interior fixes never fully worked before."
"Regraded the whole side yard and extended our downspouts as part of the job. Haven't seen water against that wall since."
"Excavation crew was careful with our landscaping and put everything back better than it was before."
"They explained why interior injection alone wasn't going to solve our specific problem before recommending exterior work."
The questions Bel Air customers ask us before booking exterior waterproofing service.
Arrow Tight Waterproofing provides exterior waterproofing throughout Bel Air, MD, dispatching from regional staging points to keep arrival times short across our full coverage footprint.
Not certain whether exterior waterproofing reaches your property? Call +1-866-476-1348 and dispatch can confirm immediately.
Notice: Arrow Tight Waterproofing is a free referral service designed to assist homeowners and businesses in connecting with independent local contractors. All contractors and service technicians are independent and Arrow Tight Waterproofing does not warrant or guarantee any work performed. It is the responsibility of the customer to verify that the hired contractor furnishes the necessary license and insurance required for the work being performed. All calls are routed to independent local service providers.
