Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Before
After
Before
After
Before
AfterCWS Roofing: The Santa Clarita Owner’s Guide
We stock and install CWS-compatible roofing components for Santa Clarita homeowners, with typical repairs running $400-$1,800 and full replacements at $8,000-$20,000 depending on square footage and substrate condition. Most CWS parts are on our trucks or available next-day through our supplier network. You’ll usually know something’s wrong when you spot granules in the gutter after a Santa Clarita wind event, or when a valley section lifts during one of our spring Santa Ana cycles.
Which CWS Models This Applies To
CWS roofing systems were sold in Southern California primarily through the 1990s and 2000s under several product lines: the CWS Presidential Shake, CWS Timberline HD, and the contractor-grade CWS Supreme. The Presidential Shake used a heavier fiberglass mat and carried a 50-year limited warranty; the HD line was the mid-weight workhorse with a 30-year rating; the Supreme was a 20-year three-tab common on tract homes in Valencia and Saugus built between 1995 and 2008.
To identify your CWS system, check the underside of a loose shingle or the edge of a lifted tab for a stamped code. CWS printed manufacturing dates in a dot-matrix pattern, not the ink stamp GAF and Owens Corning use. If your roof was installed before 2010 and the shingles have a slightly thicker butt edge with a shadow-line cut, you’re likely looking at Presidential Shake. The HD line had a narrower exposure and lighter weight, which matters because mixing weights on a repair creates a visible wave pattern that HOA inspectors in Stevenson Ranch and Westridge flag immediately.
We carry quality aftermarket equivalents from Atlas and CertainTeed where CWS OEM stock is depleted. The color match won’t be exact on a 15-year-old roof, but we document the variance in writing before ordering so you’re not surprised.
Signs Your CWS Roofing Is Failing
- Granule loss in gutters or downspout elbows. CWS shingles used a ceramic granule blend that loosens faster in Santa Clarita’s high-UV, low-humidity climate than in coastal zones. Once the asphalt substrate is exposed, thermal cracking follows within two seasons.
- Lifted or cupped shingle edges, especially on south-facing slopes. The CWS HD line was particularly prone to this when installed without six nails per shingle in wind zones. The Santa Ana corridor through Canyon Country and Sand Canyon sees sustained 40-plus mph gusts that test any shortcut.
- Cracked or missing tabs along valleys and ridges. These are the highest-stress areas on any roof. CWS ridge caps were often contractor-supplied and not always matched to the field shingle spec, creating a hardness differential that cracks under thermal cycling.
- Interior ceiling stains that appear after rain but dry quickly. This usually means a fastener back-out or seal-strip failure, not a full membrane breach. CWS seal strips hardened faster than competing products in our inland heat, losing adhesion at year 12-15 instead of 18-20.
- Sagging or soft spots when walking the roof. On CWS systems over 20 years old, this often indicates plywood delamination beneath, not just shingle failure. Santa Clarita’s combination of intense sun and occasional heavy rain creates moisture trapping that rots from the inside out.
BeforeAfterReplacement Cost & What’s Included
| Scope | Price Range in Santa Clarita | What’s Included |
|---|---|---|
| CWS shingle repair (localized, 1-2 squares) | $400-$1,800 | Removal, matching equivalent, felt patch, six-nail install, debris haul |
| Partial re-roof (valley/ridge, up to 5 squares) | $2,500-$5,500 | Deck inspection, replacement plywood as needed, new underlayment, matching field shingles |
| Full CWS roof replacement | $8,000-$20,000 | Tear-off to deck, full underlayment, ventilation assessment, new flashing, permit, final inspection |
| CWS-compatible ridge vent upgrade | $800-$2,200 | Removal of old static vents, continuous ridge vent install with baffle, matching cap shingles |
What drives the range: roof pitch (steeper means more labor per square), deck condition (we find soft plywood on about 30% of CWS replacements in Santa Clarita’s older neighborhoods), and whether your HOA requires in-person color approval before work starts. Under Clause 1 of the Haven Standard, we deliver a written line-item quote before any work begins. The price on that page is the price you pay; if we find additional deck damage, we photograph it, write a change order, and wait for your signature. No surprises.
Our repair work carries a 2-year workmanship warranty; full replacements include the 365-Day Done Right Promise and the manufacturer’s limited warranty on materials. Every visit includes a documented photo record of condition, work in progress, and finished state.
DIY or Call Us?
There’s a safe middle ground here. A homeowner can walk the perimeter with binoculars, check the gutter granule load, and photograph lifted tabs from the ground for our review. That’s useful intelligence and costs nothing.
What we don’t recommend: walking a pitched roof to pry up shingles, removing fasteners to check deck condition, or attempting a valley repair. CWS shingles in Santa Clarita’s heat become brittle and crack under foot traffic. More critically, any work above one story on a slope greater than 4:12 involves fall risk that homeowner’s insurance typically excludes. We’ve been called to fix DIY repairs where the owner matched the wrong shingle weight, voided the remaining warranty coverage, and now needs a larger scope to blend the patch.
If you’re unsure whether you’re looking at a $400 repair or a full replacement, call us at (747) 294-3985. We’ll schedule a free inspection, deliver a written quote, and let you decide on your own timeline. No urgency, no pressure.
FAQs
CWS Presidential Shake was rated for 50 years but realistically delivers 22-28 years in Santa Clarita’s high-UV climate; the HD line typically sees 15-20 years before significant granule loss. The Supreme three-tab often needs attention at 12-15 years. Call (747) 294-3985 for an exact assessment of your roof’s condition - estimates are free.
Localized damage under 25% of total roof area can usually be repaired with matching equivalents if the deck is sound and the existing shingles aren’t too brittle to handle. Beyond that, or if you’re seeing widespread seal-strip failure, replacement is more cost-effective than chasing patches. We document both options in writing so you can compare.
Most repairs are completed in a single day; full replacements on typical Santa Clarita single-family homes take 2-4 days depending on square footage, pitch, and whether deck replacement is needed. We don’t promise same-day dispatch, but we do keep common CWS-compatible stock on hand and can usually schedule within a week.
We carry Atlas StormMaster Slate and CertainTeed Landmark equivalents that match CWS profiles and weights; true CWS OEM stock is limited since the brand exited the residential market. We handle sourcing, matching, and warranty registration - you don’t need to order anything. Call (747) 294-3985 and we’ll confirm what’s available for your specific model.
Written by Grant Rowan, Owner, Rowan Construction Group Santa Clarita at Rowan Construction Group Santa Clarita, serving Santa Clarita and nearby areas.