Knauf Spray Foam Insulation in Burbank: What to Know First
We provide independent Knauf spray foam insulation in Burbank, typically completing open-cell and closed-cell jobs in one to two days with crews who know the product lines cold. Most whole-attic jobs run between $4,200 and $7,800 depending on whether we’re treating a 1,200-square-foot ranch in Magnolia Park or a two-story build in the hillside zones above Glenoaks Boulevard. Every job starts with a written price before anyone lifts a tool, and every job ends with a Documented Photo Record - no exceptions.
This page is for Burbank homeowners who already have Knauf insulation in place and need repair, replacement, or an upgrade to spray foam, or for owners comparing Knauf against other materials before a new install. If you’re reading competing estimates and want a second set of eyes, bring us the quote. We’ll read it with you. Call (213) 816-1699 to schedule.
How Knauf Products Fail - and How We Fix Them
- Knauf EcoSeal Plus gaps and shrinkage in Burbank’s dry heat. This water-based elastomeric sealant is often paired with Knauf fiberglass in hybrid systems, and we’ve found it pulling back from top plates after three to four Burbank summers. The gap looks small - a sixteenth, maybe an eighth of an inch - but that’s enough to turn your R-38 into a thermal sieve. We cut out the failed EcoSeal, reseal with Knauf-compatible low-expansion foam or transition to full open-cell spray foam depending on the assembly, then run a blower-door test to prove the leakage rate dropped.
- Knauf Insulation Jet Stream Ultra settling in sloped ceilings. This blown-in fiberglass is common in Burbank’s 1970s and 1980s tract homes, especially in the areas south of Alameda Avenue. It settles hard in cathedral ceilings where the pitch exceeds 4:12, leaving bare strips at the ridge. We don’t just top it off. We remove the settled material, air-seal the rafter bays with closed-cell spray foam to lock in both insulation value and structural rigidity, then blow new Jet Stream if the homeowner wants to stay with Knauf materials.
- Knauf Momentum high-density batts compressed by homeowners or prior contractors. These batts are rated at R-30 for 2×10 joists, but we’ve pulled them out of Burbank attics squashed to half thickness by storage boards or walking paths. Compressed fiberglass loses R-value in a straight line - half the thickness, roughly half the performance. We photograph the compression, remove the damaged batts, and spec open-cell spray foam at the full cavity depth so the R-value on the invoice matches what the cavity actually delivers.
- Knauf Ecobatt with ECOSE Technology absorbing moisture near roof leaks. The plant-based binder in Ecobatt is marketed as lower-VOC, which it is, but in Burbank’s occasional heavy winter rains - especially on homes with original clay tile roofs in the Rancho area - we’ve seen it hold moisture longer than traditional fiberglass. The batt doesn’t dry fast, and mold follows. We remove the wet Ecobatt, remediate the substrate, repair the leak path, then install closed-cell spray foam which is itself a moisture barrier and won’t support mold growth.
- Knafsulation (Knauf loose-fill) bridging over recessed can lights. This is installer error, not product failure, but it’s common enough that we see it weekly. Previous crews in Burbank blew Knauf loose-fill right over non-IC-rated can lights, creating a fire hazard and a massive thermal bypass. We pull back the fill, install proper fire-rated covers or replace the fixtures with IC-rated LEDs, seal every penetration with foam, then reinstall or upgrade to spray foam depending on the attic configuration and the homeowner’s budget.
Our Knauf Spray Foam Insulation Process

- 1
Call and scope. A live person answers, 24/7. We schedule a site visit, not a phone estimate. Wes Okafor or a named technician arrives, inspects the Knauf product in place, and identifies the failure mode.
- 2
Blower-door baseline. On applicable jobs, we run a pressurization test - a blower-door reading that shows, in one number, how much conditioned air your building envelope is losing. Most Burbank homes we test pre-work read between 3,500 and 6,000 CFM50.
- 3
Written price, no exceptions. Under Haven Standard Clause 1, you get a flat price, written scope, and written warranty before anyone lifts a tool. This is non-negotiable at Topside Attic Insulation Burbank.
- 4
Air seal first, then insulate. We never spray foam over an unsealed surface. Top plates, can lights, plumbing penetrations, and chimney chases get sealed with Knauf-compatible materials or, where the assembly demands it, a transition to open-cell or closed-cell spray foam.
- 5
Installation and documentation. The crew installs to the spec - open-cell for attic floors and roof decks where vapor permeability matters, closed-cell for rim joists and garage ceilings where moisture blocking and structural rigidity count. Every job closes with a Documented Photo Record and, where applicable, a post-work blower-door reading.
- 6
365-Day Done Right Promise. If it’s not done right, we make it right. The R-value is what the label says. The performance is what the blower-door test says. We care about the second number.
Before
AfterWhat Knauf Spray Foam Insulation Costs in Burbank
These are real ranges from jobs we’ve completed in Burbank in the last eighteen months. Your price depends on access, existing conditions, and whether we’re working around original knob-and-tube wiring that needs an electrician first.
| Job Type | Typical Range | What Moves the Price |
|---|---|---|
| Open-cell spray foam, attic floor (1,200 sq ft) | $4,200 - $5,800 | Depth (5.5″ vs 7.5″), existing removal, top-plate access |
| Closed-cell spray foam, garage ceiling (400 sq ft) | $2,800 - $4,100 | Obstructions, fire-rated coating requirement, height |
| Open-cell spray foam, roof deck (1,500 sq ft) | $6,200 - $8,900 | Vault complexity, dormers, need for ignition barrier |
| Closed-cell rim joist, full basement or crawl | $1,800 - $3,400 | Linear footage, soil contact, pest damage repair |
| Knauf removal + spray foam replacement | Add $1.20 - $2.10/sq ft | Contamination level, disposal fees, substrate repair |
We don’t do “call for pricing.” You get a written price on the first visit, and our Free Second Opinion applies to any competing written estimate you bring us. Call (213) 816-1699 for an exact quote - estimates are free.
Why Burbank Homeowners Call Topside Attic Insulation Burbank for Knauf Work

We’ve been working Burbank attics - including the older ranch-style homes in Magnolia Park - long enough to know exactly where the thermal bypasses hide in a 1960s rafter bay. As an independent Knauf service provider, we’re not locked into any single manufacturer’s product line. We source from Owens Corning, Johns Manville, Knauf, Rockwool, CertainTeed, Icynene, Demilec, and GreenFiber, plus Reflectix when a radiant barrier assembly makes more sense than foam alone.
Our background-checked, uniformed technicians arrive on schedule. You get a text when they’re on the way. Calls are answered by a live person, 24/7 - no voicemail loops, no callback windows measured in business days. Every job is backed by the 365-Day Done Right Promise and documented with photos and, where applicable, before-and-after blower-door numbers so you can verify the performance change you paid for.
FAQs
No - Knauf’s product warranties cover material defects regardless of who installs or repairs, provided the work follows published application guidelines. We document our installation to those standards, and our 365-Day Done Right Promise covers workmanship separately. If you have a specific Knauf warranty question, call us at (213) 816-1699 and we’ll walk through your paperwork with you.
Yes - we source Knauf materials through standard distribution channels and can match existing Knauf batts, loose-fill, or sealants for hybrid repairs. For full spray foam conversions, we spec the foam chemistry (open-cell or closed-cell) based on your assembly’s needs, not brand loyalty. Call (213) 816-1699 to discuss what’s in your attic now.
Repair is cheaper in the short term if the Knauf product is intact and the only issue is air leakage at penetrations - typically $800 to $2,200 to seal and supplement. Replacement with spray foam makes sense when the existing material is compromised by moisture, compression, or age, or when the attic configuration makes batt or loose-fill performance unreliable. We give you both numbers in writing and let the math decide. Call (213) 816-1699 for a free estimate.
Most residential jobs take one to two days: half a day for prep and air sealing, half a day to a full day for foam application and curing, plus a final inspection. We don’t rush the cure - open-cell needs four to six hours minimum, closed-cell needs eight to twenty-four depending on thickness and temperature. We’ll give you a specific timeline in your written scope before work starts.
Yes - we install and repair Reflectix radiant barriers, duct wraps, and insulation systems, often in combination with Knauf or spray foam assemblies where a hybrid approach performs better than either product alone. Ask about this during your estimate if your Burbank home has existing Reflectix or you’re considering it for a garage or outbuilding.
Written by Wes Okafor, Owner & Lead Insulation Technician, Topside Attic Insulation Burbank at Topside Attic Insulation Burbank, serving Burbank and nearby areas.