Exterior waterproofing addresses the source directly: excavation, membrane application, and footing drainage designed to keep water away from the wall in the first place.
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What "specialized" actually means for exterior waterproofing at our company — not a marketing word, a set of specific practices.
We don't treat exterior work as a bigger version of interior injection — it's a different discipline requiring different equipment and technique.
Local crews understand your region's soil composition and typical frost depth, both of which affect excavation planning.
Quotes break out excavation linear footage, membrane material, footing drain installation, and backfill/regrading separately, in writing.
We apply rubberized asphalt or sheet membrane systems rated for below-grade application, not a consumer-grade coating that degrades within a few seasons.
We don't run a one-size-fits-all playbook — every exterior waterproofing job starts from these core service components, adapted to what your property actually needs.
Drainage board goes over the membrane to create a channel for water to travel down to the footing drain instead of pressing against the wall. This is the most thorough exterior fix available and typically carries the longest service life of any waterproofing method.
Older homes often have footing drains that have silted in or collapsed over decades — we assess existing drain condition and replace where compromised.
We regrade the perimeter to direct water away from the structure and coordinate downspout extensions as part of a complete exterior fix.
We install window well drains tied into the footing drain system, plus a clear cover to reduce debris accumulation.
Sealing from the exterior addresses hydrostatic pressure at the point of entry rather than relying solely on an interior injection to manage it after the fact.
Four steps, start to finish — from your call to a backfilled, regraded foundation wall.
Active pooling against the foundation is flagged for priority scheduling.
Technicians walk the full property perimeter before recommending excavation, checking grading, downspout placement, and existing drainage.
Utility locates are scheduled ahead of excavation as standard practice, not an afterthought.
Membrane and footing drain work carries a written warranty against failure at the treated wall section.
Real feedback from Silver Spring-area customers who called us for exterior waterproofing.
"They found our footing drain had completely collapsed after thirty years — explains why the 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."
"Appreciated that they explained why interior injection alone wasn't going to solve our specific problem before recommending exterior work."
The questions Silver Spring customers ask us before booking exterior waterproofing service.
Our exterior waterproofing crews cover Silver Spring and the surrounding Silver Spring, MD service area, with regional dispatch keeping response times tight regardless of which part of the footprint you're in.
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.
