Same-day response. Contractor accounts with bulk pricing available — fill out the form or call us directly.
Fiberglass batt, rigid foam, acoustic, and spray foam — every type for walls, ceilings, and specialty applications.
In Stock
Fiberglass batt, rigid foam board, acoustic insulation, and spray foam — every type stocked for walls, ceilings, and specialty applications.
Equipment
Ceiling drywall lifts and aluminum stilts — the two tools that make a one-man ceiling install possible and keep your crew off ladders.
In Stock
Everything from 4" to 12" taping knives, corner tools, mud pans, and pole sanders — professional finishing tools for clean, fast drywall work.
In Stock
Single-component spray foam for air sealing around pipes, windows, and penetrations — plus acoustic sealant for smoke and sound assemblies.
Insulation, finishing tools, spray foam, and sealants — the stuff you need to close out a job, stocked and ready the day you need it.
R-13 through R-38 — wall batts, ceiling batts, and acoustic insulation stocked so you can pull what you need without waiting on a delivery.
Taping knives, corner tools, pole sanders, mud pans, stilts — the finishing tools your crew needs to close out a board job clean and fast.
Board, insulation, mud, tape, tools, and spray foam — pull it all from IWS in one trip instead of splitting your order across three suppliers.
Need insulation for a job starting tomorrow? Call before close and pick up in the morning — no backorders, no waiting on a truck.
Use these tables to spec the right R-value and product type for each application. Texas energy code minimums included.
| 2×4 Wall (3½") | R-13 standard / R-21 high-density |
| 2×6 Wall (5½") | R-19 standard / R-21 fits with space |
| 6" Metal Stud | R-19 batt — fits friction in 6" cavity |
| 3⅝" Metal Stud | R-13 — friction fit standard |
| Continuous CI | Rigid foam exterior sheathing — add R-5 to R-10 |
| R-30 | Minimum code — Houston climate zone |
| R-38 | Recommended for energy efficiency |
| R-49+ | High-performance / passive house spec |
| Faced vs Unfaced | Unfaced when layering over existing insulation |
| Fiberglass Batt | Most common — low cost, friction fit, easy install |
| Rigid Foam (XPS) | R-5/in — continuous insulation, moisture-resistant |
| Polyiso Foam | R-6.5/in — best R-value per inch, roofing common |
| Acoustic Batt | Higher density — absorbs sound, not just thermal |
| Minimal Expanding | Around windows/doors — won't bow the frame |
| Standard Expanding | General gap and crack filling — most common |
| Max Fill | Large voids, block cores — aggressive fill |
| Fire-Rated | Required at all penetrations in fire-rated assemblies |
Enter your wall or ceiling dimensions and cavity type — get an instant bag or roll count. 10% waste included.
Bag coverage varies by manufacturer. Estimates are based on typical bag coverage for each R-value. Always verify the sq ft per bag on the product label and round up to the next full bag.
Call us to confirm stock and pull a same-day order — or fill out the quote form and we'll come back with contractor pricing across everything you need.