For homes where exterior excavation isn't practical or the budget doesn't call for it, a properly installed interior system manages hydrostatic pressure just as effectively.
Call +1-866-476-1348
Four commitments that separate a properly trained interior drainage system crew from a generalist showing up with a truck and a hope.
Correct slope calculation determines whether water actually flows to the sump or just sits.
Ongoing seepage means every day without a fix is another day of potential damage.
Quotes are priced per linear foot of interior perimeter requiring drain tile, given in writing before any coring begins.
We coordinate installation to minimize disruption to finished basement spaces wherever possible.
Each service below is scoped specifically to interior drainage system, not a generic waterproofing menu with the name swapped in.
The channel is sloped precisely toward the discharge point so water flows by gravity rather than pooling within the drain tile itself. New concrete is poured back over the channel, restoring a finished, level floor.
Faster to install than full drain tile, and works well for moderate, consistent seepage rather than significant hydrostatic pressure.
Every interior system needs a properly sized sump basin and pump at its endpoint — undersizing this undermines the whole system regardless of drain tile quality.
Interior systems address this joint directly, capturing water at the source rather than letting it spread across the floor.
Collected water needs to exit the sump basin and property entirely — we route discharge well clear of the foundation with a check valve to prevent backflow.
Here's the exact path from your call to a completed interior drainage install.
A few quick questions about your basement's finished status help us plan any protective containment needed.
Technicians arrive with moisture meters and measuring equipment to calculate exact linear footage before quoting.
Pricing is itemized per linear foot for drain tile plus sump basin and pump costs, in writing before coring begins.
Interior drainage installations carry a written warranty against seepage failure at the treated perimeter.
What Union, OR customers are saying after their interior drainage system service.
"No more water creeping across the floor every time it rains hard. Drain tile handles it now before it ever reaches the surface."
"Appreciated that they explained the slope calculation — made clear this wasn't just a drain thrown in randomly."
"Floor patch after the coring work is seamless, you'd never know they'd opened up the slab."
"Whole install was done in about a day and a half with minimal mess given they were cutting into concrete."
The questions Union customers ask us before booking interior drainage system service.
Our interior drainage system crews cover Union and the surrounding Union, OR service area, with regional dispatch keeping response times tight regardless of which part of the footprint you're in.
If you're unsure whether interior drainage service covers your address, +1-866-476-1348 gets you a fast answer from dispatch.
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.
