Tamko Driveway & Pavers Nationwide

Tamko Driveway & Pavers: The Sunnyvale Owner’s Guide

We stock and install Tamko-compatible driveway pavers and retaining-wall systems for Sunnyvale homeowners, with typical installed replacement costs running $7,000-$18,000 for paver driveways and $3,500-$11,000 for paver patios depending on substrate condition and square footage. Most Tamko paver failures we see in Sunnyvale trace back to base erosion after heavy winter rains or UV degradation of the polymeric sand joints, both accelerated by the clay-heavy soils common east of Mathilda Avenue. You usually notice the problem first as wobbly individual pavers, weeds pushing through joints, or pooling water that wasn’t there two seasons ago.

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Which Tamko Models This Applies To

Tamko’s hardscape line centers on the Belgard Collection (a licensed partnership), the Tamko Paver Series in 60mm and 80mm thicknesses, and the discontinued Tamko Stonegate retaining-wall system still found in older Lakewood Village installations. To identify your exact match, flip a loose paver and check the molded manufacturing code, a four-digit stamp on the bed face that indicates the production run and color batch. The 60mm residential pavers measure roughly 2.36 inches thick and suit pedestrian and light-vehicle loads; the 80mm commercial-grade units run 3.15 inches and are spec’d for heavier traffic or freeze-thaw cycling, which matters less in Sunnyvale but affects how the base was originally compacted.

OEM Tamko pavers are still produced for active lines, though color matching to a five-year-old installation often requires blending two adjacent production runs to avoid a patchwork look. For discontinued Stonegate walls, we source structural equivalents from Belgard or Techo-Bloc, both brands we carry, with engineering specs that meet or exceed the original Tamko units. We note the substitution on the written quote so there’s no surprise at final walkthrough.

Signs Your Tamko Driveway & Pavers Is Failing

• Individual pavers rock or sink when stepped on. This indicates base material washout beneath the bedding layer, usually from inadequate edge restraint or clogged drainage that lets winter runoff percolate downward and fluidize the crushed-stone base.
• Weeds or grass sprout between joints. Polymeric sand degrades after 3-5 years of Sunnyvale sun exposure; once the binder fails, organic matter collects and seeds germinate, which also signals the joint is no longer locking pavers laterally.
• Water pools in low spots that were previously flat. Settlement of the aggregate base, often from initial compaction done while the subgrade was too wet, creates birdbaths that accelerate freeze-thaw damage even in mild climates.
• Chipped or spalled paver surfaces. Tamko’s 60mm residential units use a thinner wear layer than the 80mm commercial grade; heavy vehicles, snow-melt chemicals, or pressure-washing too close can expose the aggregate core.
• Retaining wall leans or develops stair-step cracks. The Stonegate system’s pin-connection geometry fails when drainage stone behind the wall clogs with native clay soil, hydrostatic pressure builds, and the setback angle gradually flattens.

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Replacement Cost & What’s Included

The wide spread on paver driveways reflects three variables: how much of the base must be excavated and recompacted (we test with a dynamic cone penetrometer to verify), whether the original edge restraint was concrete or plastic (concrete costs more to remove but performs better long-term), and paver thickness selection. Under Clause 1 of the Haven Standard, the written quote itemizes each line, material costs separated from labor hours, before any work begins. The 365-Day Done Right Promise covers settling, joint failure, or drainage issues we should have caught during prep.

DIY or Call Us?

There’s no high-tension danger in paver work the way there is with garage-door springs or gas lines, but DIY replacement still goes wrong predictably. An owner can safely pull a few pavers to check bedding-sand depth or photograph the manufacturing code for matching, that’s useful intelligence. Where it turns: base preparation requires plate compaction in 6-inch lifts with verified moisture content, something a rented plate compactor rarely achieves in inexperienced hands. We’ve rebuilt three Sunnyvale driveways in the past two years where the homeowner’s DIY base settled 2 inches in six months, doubling the final cost. If you’re seeing symptoms across more than 10 percent of the surface, the base is compromised and spot fixes waste money. Call (650) 405-3637 and we’ll scope it with a written estimate, no charge.

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