Soundproof Windows
Soundproof Windows, Inc. is a Reno, Nevada-based specialty manufacturer of secondary soundproof windows, sliding glass doors, and acoustic steel doors for residential, hotel, and recording-studio customers across the US and Canada, founded in 1998.
- Company typePrivate
- Founded1998
- HeadquartersReno, United States
- Headcount11–50
- GTM typeB2C
- OfferingHardware or Manufacturing
What Soundproof Windows does
Soundproof Windows, Inc. is a Reno, Nevada-based specialty manufacturer and installer of secondary soundproof windows, sliding glass doors, acoustic steel doors, and interior door panels, founded in 1998 by Randy Brown (president since inception) and operating nationwide in the US with availability in Canada. The company's defining product is a secondary window installed behind the customer's existing window rather than replacing it, built around a custom laminated-glass laminate using a PVB plastic interlayer that damps vibrations in the way a finger stops a tuning fork. Frames employ spring-loaded perimeter seals that maintain continuous pressure on the glass, and an engineered air gap between the existing window and the new Soundproof Window isolates the inner frame from sound-borne vibration. The portfolio achieves STC ratings of 48-57 for standard windows, 56 for steel doors, 64 for recording studio windows, and 65 for operable studio sliding windows — figures the company claims are the highest in category and validates through more than 40 acoustic tests conducted by Western Electro-Acoustic Laboratory.
Revenue is generated almost entirely from one-time, custom-quoted hardware sales; there is no e-commerce or retail channel, and pricing is provided via free phone-based estimates after measurement. GTM is sales-led and direct: customers reach the company through a national 877 number or website form, supplemented by a structured designer/contractor referral and reseller program for architect- and contractor-specified work. The customer base is anchored by long-tail residential homeowners in high-noise environments (traffic corridors, airports, urban density), with secondary exposure to enterprise and prosumer accounts in hotels/hospitality (noise reduction and energy efficiency for guest rooms) and recording studios served through the dedicated StudioMax sub-brand of high-STC products. Adjacencies include architect and acoustical-engineer specification work and historic-preservation projects where window replacement is restricted.
Marketing is content-heavy and organic: a continuously updated blog, SEO targeting noise- and STC-related queries, social presence on Facebook/LinkedIn/X, video explainers, and Yelp/Google review integration form the funnel. The company remains founder-owned with no disclosed outside investment, no parent entity, and no M&A activity; a documented 2004 expansion from a Bay Area garage operation to an 18,000 sq-ft Fremont, California facility was followed by a subsequent relocation to the current Reno headquarters. Reported functional outcomes — 75-95% noise reduction, 50%+ heating/cooling cost reductions, 99% UV blockage, and 95%+ reductions in air infiltration — combine acoustic performance with secondary insulation and UV benefits, positioning the product as a multi-attribute upgrade rather than a single-feature noise fix.
Soundproof Windows firmographics
Firmographics- Name
- Soundproof Windows
- Legal name
- Soundproof Windows, Inc.
- Website
- https://soundproofwindows.com
- Company type
- Private
- Founded year
- 1998
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Soundproof Windows, Inc. is a Reno, Nevada-based specialty manufacturer of secondary soundproof windows, sliding glass doors, and acoustic steel doors for residential, hotel, and recording-studio customers across the US and Canada, founded in 1998.
- Ownership category
- akta.pro rank
Soundproof Windows industry classification
Industry- Product category
- Acoustic Windows and Doors
- NAICS
- Metal Window and Door Manufacturing (332321), Glass and Glass Product Manufacturing (32721)
- SIC
- Glass Products, Made Of Purchased Glass (3231), Metal Doors, Sash, Frames, Moldings & Trim (3442)
- akta.pro primary industry
- Windows (IMADAIAC)
- akta.pro secondary industries
- Weatherstripping, Thresholds & Door/Window Seals (IMADAIAL), Acoustic & Soundproofing Works (IMAFANAL)
Keywords
Where Soundproof Windows is headquartered
LocationHeadquarters
- HQ city
- Reno
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Soundproof Windows business model
Business model- GTM type
- B2C
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure
Revenue model
- Soundproof Windows Sales: One-time sale of custom soundproof windows and sliding glass doors. Products are custom-fitted to existing windows and professionally installed. Free estimates provided over phone.
- Soundproof Steel Doors: One-time sale of acoustic steel doors with STC 56 rating. Custom sizes available.
- Recording Studio Windows and Doors: StudioMax window and door products for professional and home recording studios. Custom and standard sizes available.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Unit Pricing | Pay-as-you-go | Custom Quote-Based Pricing |
Go-to-market motion1 record
Distribution channels3 records
Marketing channels6 records
Soundproof Windows product offering
Product offeringCore offering
Soundproof Windows designs, manufactures, and professionally installs secondary acoustic window systems that mount behind existing windows to reduce noise by 75-95%. The product line includes custom-fitted soundproof windows, sliding glass doors, recording studio windows and doors (StudioMax brand), and acoustical steel doors. All products use laminated glass with PVB interlayers, spring-loaded seals, and engineered air space to achieve STC ratings from 48 to 65, with installation available nationwide in the US and Canada.
Product overview
Soundproof Windows, Inc. offers a portfolio of acoustic soundproofing products centered on secondary windows installed behind existing windows. The core offering is the Soundproof Windows product line, which uses laminated glass with PVB plastic interlayers, spring-loaded seals, and engineered air spacing to achieve STC ratings of 48-57. The company also provides specialized recording studio solutions under the StudioMax brand with STC values in the 60s, including recording studio windows (STC 64) and doors. Additionally, the product line includes soundproof sliding glass doors (STC 65), acoustical steel doors (STC 56+), and interior door panels. All products use laminated glass technology and are designed as secondary installations rather than replacements.
Differentiator
Problem solved
Functional benefit
Brands
- StudioMax: Recording studio windows and doors product line with world record STC values in the 60s, launched for professional and home recording studios.
Products and services
- Soundproof Windows Secondary window system placed behind existing windows to reduce noise levels by 75-95%. Uses laminated glass with PVB plastic layer, spring-loaded seals, and air space to block sound vibrations. Designed for residential and commercial customers who want to avoid window replacement. Available nationwide in the US and Canada with custom fitting and professional installation.
- Soundproof Sliding Glass Doors Soundproof sliding glass doors that mount inside or outside existing doors, offering STC values of 65, reducing noise by 75%, and providing insulation and security using laminated glass technology. Available nationwide in the US and Canada.
- Recording Studio Windows (StudioMax) High-performance recording studio windows available in slanted, vertical, or operable sliding configurations under the StudioMax brand. Uses 0.650 inch thick laminated glass with low iron content (no green tint) and PVB inner layer that stops vibrations. Achieves STC values of 64, designed for professional and home recording studios requiring sound isolation matching or exceeding wall STCs.
- Recording Studio Doors Soundproof doors designed for recording studios with STC values matching or exceeding wall STCs. Part of the StudioMax product line for professional and home recording studios.
- Acoustical Steel Doors Soundproof steel doors that are 1.75 inches thick with STC value of 56+. World record holder for highest STC rating in soundproof doors. Uses standard door hardware for compatibility. Available in custom sizes.
- Interior Door Panels Removable glass panels for interior door applications that provide soundproofing benefits. Designed for residential and commercial interior use where sound isolation between rooms is needed.
Quantifiable outcome
- Reduces noise levels by 75-95%
- +5 more outcomes
Companies that use Soundproof Windows
Customer profileNamed customers6 records
Segments6 records
Ideal customer profiles4 records
Soundproof Windows technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
Soundproof Windows partnerships and signals
Strategic signalScale indicators5 records
Recent moves7 records
Expansion highlights5 records
Soundproof Windows competitors and assessment
Company assessmentDirect peers
- Indow Windows: Indow makes interior window inserts pressed onto existing windows for noise reduction, thermal comfort, and UV protection — the same secondary/no-replacement model as Soundproof Windows, serving residential and commercial customers nationwide.
- CitiQuiet Windows: CitiQuiet specializes in soundproof replacement and secondary windows for residential and commercial noise reduction, directly overlapping Soundproof Windows' core offering, customer profile, and STC-driven value proposition.
- Acoustiblok: Acoustiblok manufactures soundproofing materials and products including window/door treatments targeting residential, commercial, industrial, and studio applications — overlapping with Soundproof Windows' noise-abatement focus and multi-segment customer base.
- The Soundproofing Company: Specialty retailer/installer of soundproof windows, doors, walls, and acoustic materials for residential and recording studio customers — directly competing with Soundproof Windows in secondary soundproof windows and StudioMax-style studio products.
- Serious Windows: Serious Windows designs and installs high-performance soundproof and energy-efficient window and door systems, including acoustic glazing, targeting urban residential, commercial, and institutional customers — comparable product and customer overlap.
Broad incumbents
- Andersen Windows & Doors: Andersen is one of the largest US window and door manufacturers offering replacement and new-construction product lines that increasingly include high-STC/acoustic options. It competes with Soundproof Windows wherever customers consider full window replacement as an alternative to secondary glazing.
- Pella Windows and Doors: Pella is a major US window and door manufacturer with a broad portfolio including soundproof and energy-efficient options. As a broad incumbent, it competes for noise-reduction dollars in the same residential and light-commercial replacement market Soundproof Windows targets.
- Marvin Windows and Doors: Marvin manufactures premium windows and doors including high-STC and historic-appropriate lines. It overlaps with Soundproof Windows on the historic-building and high-end residential segments where replacement (rather than secondary glazing) is feasible.
- Milgard Windows & Doors: Milgard is a US regional window and door manufacturer (now part of MI Windows) offering vinyl, fiberglass, and aluminum lines. Its acoustic and energy-efficient series compete with Soundproof Windows on residential noise and energy retrofit jobs.
Emerging players
- All Noise Control: All Noise Control supplies acoustic products including soundproof windows, doors, walls, and enclosures for industrial, commercial, and architectural applications — overlapping with Soundproof Windows' commercial and studio segments as a smaller specialty supplier.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks5 records
Key highlights6 records
Customer concentration
Soundproof Windows social profiles
Digital presenceSoundproof Windows financial estimates
Financial estimateRevenue estimate
Valuation estimate
Soundproof Windows leadership team
Management profileNumber of profiles
Profiles2 records
Soundproof Windows funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Soundproof Windows M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Soundproof Windows
What does Soundproof Windows do?
Soundproof Windows designs, manufactures, and professionally installs secondary acoustic window systems that mount behind existing windows to reduce noise by 75-95%. The product line includes custom-fitted soundproof windows, sliding glass doors, recording studio windows and doors (StudioMax brand), and acoustical steel doors. All products use laminated glass with PVB interlayers, spring-loaded seals, and engineered air space to achieve STC ratings from 48 to 65, with installation available nationwide in the US and Canada.
Is Soundproof Windows a public or private company?
Soundproof Windows is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Soundproof Windows founded?
Soundproof Windows was founded in 1998. It employs 11 to 50 people.
Where is Soundproof Windows based?
Soundproof Windows is headquartered in Reno, United States, in the North America region.
How does Soundproof Windows make money?
Three revenue lines are on record. Soundproof Windows Sales are the primary driver. The others are soundproof Steel Doors and recording Studio Windows and Doors.
Who are Soundproof Windows's main competitors?
Direct peers on record are Indow Windows, CitiQuiet Windows, Acoustiblok, The Soundproofing Company and Serious Windows. Broad incumbents are Andersen Windows & Doors, Pella Windows and Doors, Marvin Windows and Doors and Milgard Windows & Doors. All Noise Control is listed as an emerging player.
Does Soundproof Windows have an API?
No public API is recorded for Soundproof Windows.
What industry is Soundproof Windows in?
Soundproof Windows's product category is Acoustic Windows and Doors. Its primary akta.pro industry code is IMADAIAC, Windows, with a secondary code of IMADAIAL, Weatherstripping, Thresholds & Door/Window Seals. Its NAICS code is 332321 and its SIC code is 3231.