CertainTeed Crawl Space Encapsulation & Vapor Barrier in Burbank: What to Know First
We provide independent CertainTeed crawl space encapsulation and vapor barrier service in Burbank, typically scheduling within 48 hours and completing most jobs in a single day. Most crawl space encapsulation jobs in Burbank run between $3,200 and $7,800 depending on square footage, existing moisture damage, and whether the home needs full encapsulation or vapor barrier replacement only. We are not affiliated with or authorized by CertainTeed; we are an independent CertainTeed service provider that sources materials from multiple manufacturers including CertainTeed, Owens Corning, Johns Manville, and Reflectix so we’re never locked into one product line when a better fit exists for your crawl space.
This page is for Burbank homeowners who have CertainTeed materials in their crawl space and need honest diagnostics, written pricing before any work starts, and documentation that proves the job worked. Call (213) 816-1699; a live person answers 24/7.
How CertainTeed Products Fail - and How We Fix Them
- CertainTeed MemBrain vapor barrier sheeting delaminates at seam tape in Burbank’s clay-heavy soil zones. The Magnolia Park and Burbank Hills areas have expansive soil that shifts seasonally, stressing the 6-mil and 10-mil MemBrain seams we find in 1980s and 1990s builds. We cut out the failed sections, test the soil moisture with a calibrated probe, then install new barrier with double-overlapped seams sealed with acrylic-based tape rated for alkaline soil contact - not the original pressure-sensitive tape that failed.
- CertainTeed SmartBatt with MoistureSense installed in vented crawl spaces absorbs rather than manages humidity. SmartBatt’s integrated humidity sensor is designed for conditioned spaces; in Burbank’s unconditioned crawl spaces, particularly near the Verdugo Mountains where morning fog lingers, we’ve pulled saturated batts that read 28% moisture by weight. We remove the compromised batts, seal the vents as part of full encapsulation, then install closed-cell spray foam or rigid polyiso - materials that don’t hold water.
- CertainTeed Optima blown-in fiberglass settles away from floor joists in high-crawl applications. The Optima system blows well in open attics but in Burbank’s 3-foot and 4-foot crawl spaces, vibration from the nearby 5 Freeway and Burbank Airport flight paths accelerates settlement. We find 2-inch gaps between insulation and subfloor within 4-5 years. Our fix: remove the settled material, air-seal all joist bays and rim joists with acoustic sealant, then install held-in-place rigid insulation or netting-supported batts that can’t drift.
- CertainTeed Cedar Breather underlayment traps moisture when used as crawl space ground cover. Homeowners sometimes repurpose this roof underlayment product for crawl space moisture management; it’s vapor-permeable in the wrong direction for ground contact. In Burbank’s older homes near the Equestrian District, we’ve found Cedar Breather disintegrating into the soil, creating a mold substrate. We excavate the degraded material, install a true 20-mil reinforced polyethylene vapor barrier with sealed perimeter piers, and document the before-and-after relative humidity with a data logger left in place for 72 hours.
- CertainTeed PVC pipe insulation on crawl space plumbing sweats and drips in Burbank’s shoulder seasons. The ArmaFlex-style PVC covers we see on copper lines in Burbank crawl spaces create a cold-bridge condensation point when the marine layer rolls in May through July. The dripping corrodes hangers and wets joist ends. We remove the PVC covers, insulate the lines with closed-cell foam that bonds directly to the pipe, then seal the surrounding chase so conditioned air doesn’t hit cold surfaces.
Our CertainTeed Crawl Space Encapsulation & Vapor Barrier Process

- 1
Written price before we arrive. You send photos or we do a video walkthrough; you get a flat price, written scope, and written warranty before anyone lifts a tool. Haven Standard Clause 1.
- 2
Moisture and air-leak diagnostics. We probe soil moisture, measure relative humidity with a calibrated hygrometer, and run a blower-door test if the crawl space connects to conditioned space through bypasses - a pressurization reading that shows, in one number, how much air your building envelope is losing.
- 3
Parts decision: CertainTeed OEM or cross-manufacturer equivalent. We stock CertainTeed-compatible vapor barriers, seam tapes, and fasteners, but we’re not locked in. If Johns Manville or Reflectix makes a better product for your specific moisture load, we document why and install it. No proprietary product lock-in.
- 4
Air-seal first, then encapsulate. Every penetration, rim joist, and sill plate gets sealed with acoustic sealant or closed-cell foam before any barrier goes down. The R-value is what the label says. The performance is what the blower-door test says. We care about the second number.
- 5
Barrier installation with sealed perimeter and pier wraps. We overlap seams 12 inches minimum, seal with acrylic tape, and mechanically fasten at foundation walls. Piers get individual wraps sealed to the main barrier - no gaps, no shortcuts.
- 6
Documentation and 72-hour humidity logging. You receive a Documented Photo Record, the written depth-and-coverage report, and where applicable, pre- and post-installation thermal images. We leave a data logger to verify humidity dropped and stays down.
Before
AfterWhat CertainTeed Crawl Space Encapsulation & Vapor Barrier Costs in Burbank
| Job Type | Typical Range | What Moves the Price |
|---|---|---|
| Vapor barrier replacement only (existing good condition) | $3,200 - $4,800 | Square footage, number of piers, access difficulty |
| Full crawl space encapsulation with dehumidifier prep | $5,500 - $7,800 | Condition of existing insulation, mold remediation needs, rim joist sealing extent |
| Insulation removal + encapsulation + new rigid insulation | $6,800 - $9,500 | Volume of saturated material, hazardous material testing, joist repair |
| Emergency moisture mitigation (active leak or flood) | $2,800 - $5,200 | Source of water, drying time required, material salvageability |
Homes in the Burbank Hills with stepped foundations or limited crawl access run toward the higher end. Homes on flat lots near Victory Boulevard with full perimeter access typically hit the lower range. Every estimate includes our Free Second Opinion on any written competing quote - bring it; we’ll read it with you. Call (213) 816-1699 for an exact written price; estimates are free and no work starts without your signed scope.
Why Burbank Homeowners Call Topside Attic Insulation Burbank for CertainTeed Work

We’ve been working Burbank crawl spaces - including the tight 24-inch clearances common in 1950s Magnolia Park ranches - since 2016. Wes Okafor and our crew know where CertainTeed products were spec’d in local builds, how Burbank’s combination of clay soil, marine layer moisture, and earthquake retrofitting affects crawl space performance, and which cross-manufacturer solutions actually last here.
Every job carries the 365-Day Done Right Promise: if it’s not done right, we make it right, backed by the written scope and warranty you received before work started. Our materials come from CertainTeed, Owens Corning, Johns Manville, Knauf, Rockwool, and Reflectix - no proprietary lock-in means we pick what performs, not what we’re obligated to sell. Background-checked, uniformed technicians. Live person on the phone 24/7. Documented Photo Record on every visit. The Haven Standard: Have it in writing.
FAQs
No - CertainTeed’s product warranties cover manufacturing defects regardless of who installs or services the material, provided the product was installed to manufacturer specifications originally. What voids warranty is improper installation, not independent service. We document our work with photos and written scope so any future warranty claim has clear evidence of what we touched and what we didn’t. Call (213) 816-1699 if you’re unsure whether your original installation was documented.
We typically schedule within 48 hours and complete most encapsulation jobs in one day. Emergency moisture situations - active leaks, post-flooding, or visible mold blooms - we prioritize same-day or next-morning. A live person answers (213) 816-1699 24/7; no callback windows measured in business days.
Repair makes sense when the barrier is under 10 years old, seams are the only failure point, and your humidity readings stay below 60% year-round. Full encapsulation is the better investment when you have multiple failure points, visible mold, soil moisture above 15%, or the original installation predates 2010 and used 6-mil material. We give you both prices with the honest trade-offs; you decide. Free estimates; call (213) 816-1699.
We stock CertainTeed-compatible vapor barriers, seam tapes, and fasteners in our Burbank warehouse, plus cross-manufacturer equivalents from Johns Manville and Reflectix for same-day flexibility. For discontinued CertainTeed lines, we source matching specifications from our multi-brand inventory rather than waiting on backorders. No job gets delayed because we’re locked into one supplier.
You receive a written depth-and-coverage report, a Documented Photo Record of all work areas, and where applicable, pre- and post-installation thermal images and blower-door test results showing your air-sealing improvement. We also leave a 72-hour humidity data logger in place for encapsulation jobs; you get the download showing the moisture drop. Haven Standard: you know what leaving looks like before we arrive.
Written by Wes Okafor, Owner & Lead Insulation Technician, Topside Attic Insulation Burbank at Topside Attic Insulation Burbank, serving Burbank and nearby areas.