Trusted Blown-In Insulation for Schertz Homeowners
Blown-In Insulation in Schertz typically costs $1.80 to $3.50 per square foot of attic floor, with most complete attic jobs running $2,400-$5,800 depending on accessibility, existing insulation condition, and whether air sealing is needed first. Most Schertz homes built between 1985 and 2010 were originally insulated to R-19 or R-30, well below the R-38 to R-60 the Department of Energy recommends for our South Central Texas climate zone. Topside Attic Insulation Schertz has completed blown-in insulation work in over 9,000 homes since 2016, and we answer calls live at (830) 402-5240 every hour of the day, including weekends.
Schertz sits at the edge of the Texas Hill Country where summer attic temperatures regularly reach 140°F and winter cold snaps can drop below freezing. That temperature swing pushes unconditioned air through every gap in your ceiling plane. We’ve found that homes in neighborhoods like The Crossvine, Willow Grove, and Schertz Valley often have top plates and can-light penetrations leaking enough air to make a 15-25% difference in heating and cooling costs before any new insulation goes in. We seal first, then insulate, and we document the difference with blower-door numbers you can read yourself.
What Our Blown-In Insulation Service Includes
Blown-In Cellulose
Blown-in cellulose is ground paper fiber treated with borate fire retardant, blown through a hose to fill attic floor joist cavities and irregular spaces. Schertz homeowners choose it when they want higher density per dollar and better sound dampening than fiberglass provides, particularly in older homes with non-standard joist spacing. We source cellulose from GreenFiber and other manufacturers, and we always verify the attic floor is sealed before blowing, because cellulose that filters through gaps into soffits or wall cavities is cellulose that isn’t insulating your living space. Our crews measure depth with a ruled probe every 100 square feet and photograph the result for your Documented Photo Record.
Blown-In Fiberglass
Blown-in fiberglass consists of glass fibers blown loose into attic spaces, achieving R-value through trapped air pockets with less weight than cellulose. It’s the right choice for Schertz homes with raised-heel trusses or storage decks where load matters, and for homeowners sensitive to dust during installation. We work with Owens Corning and Johns Manville fiberglass systems, matching the product to your attic’s ventilation configuration because fiberglass performs poorly when compressed or exposed to chronic moisture. Every fiberglass job we complete in Schertz includes a written scope specifying target R-value, bag count, and depth verification method before the truck arrives.
Dense-Pack Wall Insulation
Dense-pack wall insulation is cellulose or fiberglass blown into closed wall cavities at 3.0-3.5 pounds per cubic foot, dense enough to resist settling and slow air movement through the stud bay. Schertz has thousands of homes with empty 2×4 walls built in the 1990s and 2000s, and dense-packing is the least invasive way to improve them without removing drywall. We drill access holes at stud-bay intervals, typically through exterior siding or from inside if you’re already remodeling, and verify fill with thermal imaging to catch voids before we patch. The Haven Standard requires we show you the thermal images and explain any bays we couldn’t fill completely, with the reason documented in writing.
Blown-In Top-Up
Blown-in top-up adds loose-fill insulation over existing attic insulation to reach current code or performance targets without removing what’s already there. In Schertz, we recommend top-ups when your existing insulation is in decent shape but has compressed below its original R-value, which happens to most fiberglass batts within 10-15 years. We don’t top-up over water-stained, rodent-contaminated, or mold-affected insulation, and we’ll tell you plainly if removal makes more sense. A typical top-up in Schertz adds R-19 to R-30 over existing material, and we price it by the bag with a written total before any work starts.
What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Brands We Service for Blown-In Insulation
We’ve installed blown-in fiberglass from Owens Corning in hundreds of Schertz attics, particularly their AttiCat system which we specify when homeowners want a fast installation with consistent coverage in open attic floors. Owens Corning publishes density-to-R-value charts we follow exactly, and we keep their product data sheets on file so you can verify what was installed against what was promised. We’ve also worked extensively with GreenFiber cellulose, a recycled-content product that performs well in our humid subtropical climate when the attic ventilation is correct. GreenFiber’s borate treatment resists pests and mold, which matters in Schertz where silverfish and occasional roof leaks are realities we plan for.
Whether your existing insulation is Owens Corning, GreenFiber, Johns Manville, Knauf, or any other manufacturer, we can assess its condition, match or improve its performance, and document the result. We don’t carry proprietary product lines that lock you into a single brand, and we don’t accept distributor incentives to push one material over another. The recommendation in your written scope is based on your attic’s specific conditions, your performance goals, and the price you approved in advance.
Signs You Need Blown-In Insulation Right Now
- Your upstairs rooms are 8-12°F warmer than downstairs in July. This temperature stratification is common in Schertz homes with under-insulated attics, where radiant heat gain through the roof deck overwhelms the cooling capacity trying to push through a thin insulation layer. We measure the differential with an infrared thermometer during our assessment and show you the reading.
- Your energy bills spike every August and January. Schertz residents with properly sealed and insulated attics typically see their highest bills 30-40% lower than neighbors with similar homes and unsealed attics. If your summer electric bill consistently exceeds $300 for a home under 2,500 square feet, the attic is the first place to look.
- You can see ceiling joists through your attic insulation. Insulation should completely obscure the joists; visible wood means you’re below R-30 in most cases. We photograph this during our inspection and include the image in your Documented Photo Record so you can verify before-and-after depth yourself.
- Your HVAC runs constantly between 2 PM and 8 PM. An attic that hits 130°F with R-19 or less insulation creates a thermal ceiling your air conditioner fights all afternoon. In Schertz, we regularly find that adding blown-in insulation to R-49 or R-60 reduces afternoon runtime by 40-60% after proper air sealing.
- Ice dams formed on your roof during the February 2021 freeze or subsequent cold snaps. Ice dams require heat loss through the roof deck, which happens when warm interior air escapes through attic bypasses and melts snow from below. Even in South Texas, this indicates significant air leakage and inadequate insulation that blown-in material alone won’t fix without sealing first.
Our Blown-In Insulation Process - Step by Step
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Schedule and arrival. When you call (830) 402-5240, a live person answers and books your appointment. Under Haven Standard, you receive a named technician and a text when they’re en route, typically within our 2-hour arrival window. We serve Schertz from our base near Cibolo, so most appointments are same-day or next-day.
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Attic inspection and blower-door test. We inspect your attic floor, roof deck, and ventilation configuration, then run a blower-door test, a pressurization reading that shows, in one number, how much air your building envelope is losing. In Schertz, we typically see pre-work readings of 3,500-5,500 CFM50 on homes built 1990-2010. We photograph existing conditions and mark every penetration that needs sealing.
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Written scope and price. Before any work starts, you receive a written price with a detailed scope, target R-value, material specification, and warranty terms. This is Haven Standard Clause 1: flat price, written scope, written warranty before anyone lifts a tool. No surprises, no day-of changes without your initials.
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Air sealing, then insulation. We seal top plates, can lights, plumbing and electrical penetrations, and chimney chases with fire-rated foam, caulk, or rigid baffles as appropriate. Only after the attic floor is verified sealed do we begin blowing insulation to the specified depth, checking with a ruled probe as we go.
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Final blower-door test, documentation, and walkthrough. We run a second blower-door test to measure improvement, typically 20-40% reduction in CFM50 for attic-focused work. You receive before-and-after blower-door numbers, thermal images if dense-pack was performed, depth verification photos, and a written completion certificate. The 365-Day Done Right Promise begins at signature.
How Much Does Blown-In Insulation Cost in Schertz?
Blown-In Insulation pricing for a typical attic job in Schertz runs $2,400-$5,800 for homes between 1,500 and 3,000 square feet of conditioned space, with most falling in the $3,200-$4,500 range. Dense-pack wall insulation costs $1.80-$3.20 per square foot of wall area, so a 2,000-square-foot home with 1,600 square feet of exterior wall runs $2,900-$5,100. Blown-in top-up over existing insulation is the most economical option, typically $1,100-$2,400 depending on how many bags are needed to reach target depth.
Several factors move the price within these ranges. Attic accessibility matters: a hatch in a closet with a pull-down ladder takes longer than a scuttle hole in a hallway with permanent stairs. The condition of existing insulation affects whether removal is needed before new material goes in. Air sealing extent varies widely; a Schertz home with sealed top plates and few can lights needs less prep work than one with open chases and ten recessed fixtures. Roof pitch above 8/12 slows movement and increases labor time.
To avoid overpaying, get any competing estimate in writing and bring it to us for a Free Second Opinion, Haven Standard Clause 3. We’ll read it with you line by line and explain where scope differs from ours. Our estimates are free, include the written price before any work starts, and come with no obligation. Call (830) 402-5240 to schedule.
Blown-In Insulation Near Schertz - Our Service Area
Topside Attic Insulation Schertz serves the full I-35 northeast corridor including Blown-In Insulation in Cibolo, Blown-In Insulation in Universal City, Selma, Converse, Live Oak, Windcrest, Kirby, New Braunfels, and north to Terrell Hills, Alamo Heights, and Castle Hills. Most Schertz appointments are covered same-day or next-day; Cibolo and Universal City typically share the same scheduling window. We don’t charge mileage for work within this service radius, and your written price includes all travel time.
Serving Schertz, TX - Our Local Coverage Area
We’re based in the Schertz area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
Frequently Asked Questions - Blown-In Insulation in Schertz
Blown-in insulation is loose-fill cellulose or fiberglass blown through a hose into attic floors or wall cavities, conforming to irregular spaces and providing consistent coverage without gaps. Unlike batt insulation, which comes in pre-cut rectangles that leave voids around obstructions, blown-in material fills completely around ducts, wiring, and framing irregularities. We recommend blown-in for most Schertz attics because it achieves higher effective R-value per installed inch with fewer thermal bypasses.
Most attic jobs in Schertz are completed in one day, typically 4-6 hours for air sealing plus blown-in installation in a standard 2,000-square-foot home. Dense-pack wall insulation takes longer, usually 1-2 days depending on wall area and interior access requirements. We confirm the expected duration in your written scope before work begins, and we don’t leave until the final blower-door test and documentation are complete.
Complete attic jobs typically run $2,400-$5,800, dense-pack walls $1.80-$3.20 per square foot, and top-ups $1,100-$2,400. The specific price depends on attic accessibility, existing insulation condition, air sealing needs, and target R-value. We provide a written, itemized price before any work starts, and estimates are always free. Call (830) 402-5240 for your exact quote.
Yes. We’ve installed Owens Corning blown-in fiberglass and GreenFiber cellulose in hundreds of Schertz-area homes, and we stock both for quick turnaround. We don’t claim exclusive or preferred status with any manufacturer; our recommendation depends on your attic’s conditions and your priorities for cost, weight, and environmental content. Whether you have Owens Corning, GreenFiber, or another brand, we can assess, match, or improve your insulation system.
We answer calls live 24/7 at (830) 402-5240 and schedule same-day appointments when our Schertz crew capacity allows. True insulation emergencies are rare, but we treat urgent situations, such as insulation displacement from roof leaks or rodent damage exposing living space, with priority scheduling. If we can’t reach you today, we commit to next-day service within our standard service area.
All completed work is covered by our 365-Day Done Right Promise: if it’s not done right, we make it right. This includes material integrity, installed depth, and the air-sealing performance documented by your before-and-after blower-door numbers. The specific warranty terms are written and delivered before any work starts, per Haven Standard Clause 1. We don’t ask you to trust a verbal promise; you hold the document.
Clear a path to your attic access and remove stored items from the attic floor; we need to walk the full space during inspection and installation. Cover or remove anything you don’t want dust on, though our hoses include dust control and we lay protective sheeting. We handle all protective gear, ventilation checks, and cleanup. You’ll receive a Documented Photo Record showing attic condition before and after, so you can verify our work without entering the space yourself.
Schedule Your Blown-In Insulation Service in Schertz Today
Call (830) 402-5240 now to speak with a live person and schedule your free estimate. We’ll inspect your attic, run a blower-door test, and deliver a written price before any work starts. Every job includes air sealing first, documented before-and-after performance numbers, and our 365-Day Done Right Promise in writing. No obligation, no voicemail loops, no surprises.
Written by Wes Okafor, Owner at Topside Attic Insulation Schertz, serving Schertz, Cibolo, Universal City, and surrounding communities since 2016.