Keystone Outdoor Solutions
Keystone Outdoor Solutions restores paver surfaces across Lancaster County. From patios near Buchanan Park to driveways in Manheim Township, we fix cracked joints, shifting stones, faded color, and weeds caused by Central PA freeze and thaw cycles.
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About Keystone Outdoor Solutions
Keystone Outdoor Solutions restores paver surfaces across Lancaster County. From patios near Buchanan Park to driveways in Manheim Township, we fix cracked joints, shifting stones, faded color, and weeds caused by Central PA freeze and thaw cycles.
Our Services
From cleaning and sealing to structural repair and color enhancement, we handle every stage of the restoration process. Here are the core services we provide for patios, driveways, and walkways across the area.
Dirt, mold, algae, and oil stains make your patio or driveway look years older than it is. We use commercial-grade hot water surface cleaners that strip buildup without damaging stone or joint material. Your surface comes back looking clean and even across every square foot.
Joint sand washes out after a few seasons of rain and snowmelt, letting weeds take root and stones shift. Our team packs fresh polymeric sand, compacts it, and applies a protective seal coat. The result is a locked, weed-free surface with the finish you choose.
Sunken spots, cracked stones, and shifted sections are structural problems that cleaning will not solve. Our contractors pull the affected area, re-grade the base, and relay stones level with the surrounding surface. The result is a flat, stable surface with no visible patches.
Settling under the base layer causes low spots that pool water and create trip hazards. We excavate the problem area, add fresh aggregate, compact the base, and reset every stone to the correct grade. The result is a level surface with tight borders and proper drainage.
UV exposure and foot traffic fade the pigment in concrete and brick surfaces over time. Our specialists apply color-enhancing sealers that bring back the original depth and tone without painting or coating the stone. Natural finish, not a layer on top.
Brick and concrete are the most common paver materials we restore across Lancaster. Brick absorbs moisture over time, leading to spalling, color fade, and joint failure after years of freeze and thaw. Concrete stains faster and shows UV wear sooner. Our team matches the cleaning method, pressure level, and sealer type to each material.
Flagstone, bluestone, and travertine need a different approach entirely. Too much pressure chips the edges, wrong cleaner discolors the surface. Our specialists adjust every step based on your specific stone so nothing gets damaged or stripped of its natural character during the process.
We had Keystone Outdoor Solutions build a paver patio and sitting wall off our kitchen last spring, and it turned out exactly what we hoped for. The team showed up when they said they would, cleaned up every single day, and the finished space looks better than the 3D rendering.
After getting three quotes for a retaining wall, we went with Keystone Outdoor Solutions because they actually walked our slope and explained why the base needed to go deeper than the other guys quoted. One year in, zero settling. Worth every penny.
From the first phone call to the final walkthrough, this was the best contractor experience we have had as homeowners. No runaround, no subcontractors we had never met. Just one team that handled our driveway, stone veneer, and stood behind every piece of it.
Our township is a nightmare with outdoor kitchen permits. Keystone Outdoor Solutions pulled everything, submitted the drawings, and scheduled the inspection without us lifting a finger. The project passed the first time. That alone was worth hiring them.
We already had a paver patio and wanted a deck, fence, and fire feature added. Keystone Outdoor Solutions was the only contractor who could actually picture all of it as one connected space. The materials, the sight lines, and the finish all match. It looks like it was always there.
Stop watching your patio or driveway get worse every season. We handle the full scope of work from cleaning through final protection with one crew and one point of contact.
Our Process
01
We walk your property, check every section for settling, joint loss, cracks, and drainage issues. You get a written scope of work before any tools come out.
02
We strip all dirt, stains, mold, and failed joint material using hot water surface equipment. Pressure levels are adjusted for brick, concrete, and natural stone so nothing gets damaged.
03
Any sunken, cracked, or shifted sections get pulled, re-based, and relaid. Fresh joint fill material packs every gap and gets compacted to prevent future washout.
04
A commercial-grade sealer goes down to lock in the sand, block stains, and protect the surface from UV and moisture. You choose wet-look or matte based on your preference.
Why Choose Us
Sealers, joint materials, and repair methods that work in warm climates break down after a few Lancaster winters. We select products and techniques rated for repeated freeze and thaw cycles so your surface does not crack, peel, or wash out after the first cold season.
Most of Lancaster County sits on clay-heavy soil that holds water and shifts with the seasons. Areas around Rohrerstown and Long’s Park shift more than most. That settling is the number one reason pavers sink and joints fail in this area. Our team knows how to fix base problems specific to local soil conditions and fix them so the repair holds long term, not just through one winter.
A restoration project involves pressure washing, joint work, masonry repair, and sealing. Whether it is a historic row home walkway in Cabbage Hill or a large patio in College Park, our team handles all of it in-house. No subcontractors, no handoffs between different crews, and one project lead who knows every detail of your job from start to finish.
If a joint washes out, a sealed surface fails, or a leveled section settles after we leave, we come back and fix it at no cost. No service call fees, no fine print, and no runaround. Keystone Outdoor Solutions has been standing behind its work across the greater Lancaster area since 2002.
Your patio, driveway, or walkway is not going to fix itself. Call us or request your free onsite assessment and we will get back to you within one business day.
Areas We Serve
Based in Lancaster, PA, Keystone Outdoor Solutions designs and builds custom hardscaping and outdoor living spaces for homeowners across South Central Pennsylvania. From paver patios and retaining walls to outdoor kitchens and custom decks, our crew serves the greater Lancaster area and surrounding counties.
Lancaster, PA sits in the heart of South Central Pennsylvania where outdoor surfaces deal with four full seasons of weather every year. Summers bring heat and humidity that accelerate mold and algae growth on shaded patios. Winters drop below freezing for months, and the repeated freeze and thaw cycles crack joints, shift stones, and break down sealers that were not rated for this climate.
Most of Lancaster County sits on clay-heavy soil that holds moisture and expands when wet, which is the primary reason paver bases settle and surfaces become uneven over time. Homeowners across Manheim Township, Lititz, Ephrata, and downtown Lancaster deal with these same conditions. The ones who invest in professional restoration every few years keep their patios and driveways performing for decades instead of replacing them every 10 years.
FAQ's
It depends on what your surface actually needs. If you just need a deep cleaning to remove dirt, mold, and stains, that typically runs $1.00 to $1.50 per square foot. So a standard 400 square foot patio would cost around $400 to $600. If your joints have washed out and you need cleaning plus resanding with polymeric sand, expect $2.00 to $2.75 per square foot, which puts that same patio at $800 to $1,100. A full restoration that includes cleaning, resanding, and sealing runs $2.75 to $3.75 per square foot, so roughly $1,100 to $1,500 for a 400 square foot surface. If you have sunken sections or cracked stones that need to be pulled and relaid, repair work runs $500 to $2,000 or more depending on how much of the base has failed. The honest answer is that surface condition and base failure move the price more than square footage alone, which is why Keystone Outdoor Solutions always recommends an onsite assessment before quoting a number.
The short answer is clean, resand, and seal. But the order and the details matter. Start with a professional hot water cleaning that strips all the dirt, mold, algae, and stains without damaging the stone or blowing out the joint sand. Once the surface is clean, you can actually see what condition the joints and stones are in. If the sand between the pavers has washed out or broken down, that needs to be removed completely and replaced with fresh polymeric sand that gets compacted into every joint. After resanding, a sealer goes on to lock in the sand, restore the color depth, and protect against UV fade and future staining. Most homeowners are surprised at how much of the original color comes back after just the cleaning step. The sealer takes it the rest of the way. If you have pavers that are physically cracked or have sunk below the surrounding surface, those need to be pulled and relaid before the sealing step or you are just sealing over problems.
In most cases, yes, they can be refurbished. Unless the base underneath has completely washed out or the stones themselves are physically shattered beyond matching, a professional restoration brings most surfaces back to near-original condition. The process involves assessing three things: the base layer under the pavers, the joint material between them, and the condition of each individual stone. If the base is stable and only the surface has faded or the joints have failed, a full clean, resand, and seal handles it. If certain sections have settled or shifted, those areas get pulled, the base gets re-graded and compacted, and the stones go back level with the rest. You only need full replacement when the base has failed across a large area or the paver style has been discontinued and matching stones are not available. Restoration typically costs 50 to 70 percent less than a full tear-out and reinstall.
No, and this is one of the most common mistakes homeowners make. Layering new polymeric sand on top of old material creates a weak bond that washes out much faster than a clean install. The old sand has already broken down, absorbed moisture, and lost its binding properties. If you pack new sand on top of that, it has nothing solid to bond to and will fail within a few months. The correct process is to blow out or scrape out all the existing joint material first, clean the joint channels down to bare stone, and then pack fresh polymeric sand from the bottom of the joint up. After packing, the surface gets compacted and misted with water to activate the binding agents in the sand. That is how you get joints that stay locked for 5 to 8 years instead of washing out after one heavy rain.
Every 3 to 5 years is the general range, but where your surface sits and how much use it gets narrows that window. South-facing patios like those near Musser Park in Lancaster get more direct UV exposure, which breaks down sealers faster and pushes you closer to the 3 year mark. Driveways along the Route 30 corridor in East Lampeter that handle daily vehicle traffic and tire turning also wear through sealers sooner. Shaded walkways with light foot traffic can go the full 5 years between coats. The type of sealer matters too. A penetrating sealer rated for freeze and thaw conditions lasts longer in this climate than a film-forming sealer, which tends to peel and turn white after a couple of Lancaster winters. The easiest way to tell if it is time is to pour some water on the surface. If it soaks in instead of beading up, the sealer has worn through.
For Lancaster County weather, a penetrating sealer is the best choice. It absorbs into the paver material and protects from within rather than forming a film on top. Film-forming sealers look great at first but tend to peel, turn white, or flake after repeated freeze and thaw cycles. Penetrating sealers do not change the surface texture or create a slippery finish, which matters for driveways and walkways that see foot and vehicle traffic in wet or icy conditions. If you want the wet-look sheen that makes pavers pop, there are penetrating sealers that offer a color-enhancing effect without the problems of a surface film. Keystone Outdoor Solutions uses commercial-grade penetrating products specifically rated for the kind of winter conditions Lancaster gets, not warm climate sealers that look good for one season and fail the next.
Most residential jobs take 1 to 3 days depending on what the surface needs. A straightforward cleaning and sealing on a standard 400 square foot patio is typically done in a single day. If the joints need resaninging on top of the cleaning and sealing, that adds a few hours but usually still wraps up the same day. A full restoration that includes pulling and relaying sunken sections, resanding, and sealing a larger surface like a driveway or a combined patio and walkway area runs 2 to 3 days. Weather can shift the timeline since sealers need dry conditions to cure properly, and most polymeric sand products need 24 hours without rain after installation. Keystone Outdoor Solutions gives you a realistic timeline during the assessment and keeps you updated if anything changes during the project.
It is worth it if you want the surface to last and look good for more than a couple of seasons. Sealing does three things that matter. First, it locks the joint sand in place so it does not wash out every time it rains, which means fewer weeds and less shifting between stones. Second, it blocks stains from oil, grease, leaves, and organic growth from penetrating into the paver material, making the surface much easier to clean going forward. Third, it protects against UV fade so the color stays consistent instead of turning gray and washed out over a few years. The cost of sealing is a fraction of what it costs to replace pavers that have deteriorated from neglect. For Lancaster homeowners specifically, sealing also protects against moisture absorption that leads to cracking during freeze and thaw cycles, which is one of the biggest causes of paver failure in this area.
The pavers themselves are almost never the problem. It is the base layer underneath. When a paver patio, driveway, or walkway is installed, it sits on a compacted layer of aggregate and sand. Over time, water finds its way under the surface through gaps in the joint sand or from poor drainage around the edges. That water erodes the sand layer and softens the aggregate, creating voids underneath. The pavers above those voids settle and sink. In Lancaster County specifically, clay-heavy soil makes this worse because clay holds moisture and swells when wet, then shrinks when dry. That constant expansion and contraction moves the base around more than sandy or loamy soil would. Tree roots can also push up sections from below. The fix is to pull the affected stones, remove and replace the failed base material, compact it properly, and relay the pavers. Surface-level fixes like adding sand on top will not solve the underlying issue.
You can handle a basic cleaning with a pressure washer and some patience, but anything beyond that gets tricky fast. Pressure washing at the wrong setting damages the paver surface and blows out joint sand, which actually makes the problem worse. Resanding with polymeric sand requires proper joint depth, the right moisture level during activation, and 24 hours of dry weather after application. If any of those are off, the sand fails and washes out within weeks. Sealing requires a perfectly clean, dry surface and even application. Missed spots or over-application create white haze and peeling that is harder to fix than starting from scratch. Leveling work involves pulling stones, re-grading base material, and compacting, which requires tools and experience most homeowners do not have. For a small walkway that just needs a wash, DIY can work fine. For a full patio or driveway restoration, the cost of fixing a DIY mistake usually exceeds what a professional would have charged in the first place.