
A strong foundation sets the stage for lasting performance. PrepWorx delivers the subfloor solutions you need to ensure your flooring installs flawlessly, level, durable and ready for what’s next.

Desktop Version
Two Ways to Prep with Confidence
No two jobs are exactly alike, but every successful flooring installation starts with the right prep. That’s why PrepWorx gives you two ways to approach subfloor preparation: use a curated system designed by experts or customize your own solution from our series of high-performance prep products.
- Start with a Curated System
Choose from pre-designed prep packages tailored to common jobsite conditions, your fastest path to a streamlined solution. These systems are easy to specify, simple to install and backed by a full system warranty of up to a 20-year warranty when installed as directed and registered. - Customize with the PrepWorx Series
Select individual prep products grouped by series to meet the unique demands of your site. This flexible approach allows for targeted combinations.
- Start with a Curated System
TABLET / MOBILE Version
Two Ways to Prep with Confidence
No two jobs are exactly alike, but every successful flooring installation starts with the right prep. That’s why PrepWorx gives you two ways to approach subfloor preparation: use a curated system designed by experts or customize your own solution from our series of high-performance prep products.
- Start with a Curated System
Choose from pre-designed prep packages tailored to common jobsite conditions, your fastest path to a streamlined solution. These systems are easy to specify, simple to install and backed by a full system warranty of up to a 20-year warranty when installed as directed and registered. - Customize with the PrepWorx Series
Select individual prep products grouped by series to meet the unique demands of your site. This flexible approach allows for targeted combinations.
- Start with a Curated System
Desktop Version
Curated Systems
Choose the right prep solution for your commercial project. These curated subfloor moisture and prep systems allow you to address the needs of your site from basic to extreme conditions.
TABLET / MOBILE Version
Curated Systems
Choose the right prep solution for your commercial project. These curated subfloor moisture and prep systems allow you to address the needs of your site from basic to extreme conditions.
Desktop Version

Moisture Control System
Built for confidence. This system offers full mitigation and a 20-year system warranty when installed as directed and registered.

Vapor Barrier System
Fast, simple, effective. Designed for porous concrete, this system skips profiling, speeds through installs with reliable moisture protection, and a 10-year warranty when installed as directed and registered.

Everyday Concrete Commercial System
Dependable and flexible. A go-to for dry concrete with no signs of moisture, this system adapts to jobsite needs without added complexity or moisture mitigation.
TABLET / MOBILE Version

Moisture Control System
Built for confidence. This system offers full mitigation and a 20-year system warranty when installed as directed and registered.

Vapor Barrier System
Fast, simple, effective. Designed for porous concrete, this system skips profiling, speeds through installs with reliable moisture protection, and a 10-year warranty when installed as directed and registered.

Everyday Concrete Commercial System
Dependable and flexible. A go-to for dry concrete with no signs of moisture, this system adapts to jobsite needs without added complexity or moisture mitigation.
Desktop Version

Existing Adhesive System
Built for non-concrete subfloors, this system ensures stability and smooth installs across renovation and multi-family projects.

Everyday Wood or Gypsum Commercial System
Engineered for quick-turn installs, this system minimizes disruption and enables same-day prep in occupied spaces.

Rapid Resilient No Moisture System
This system works with intact adhesive, saving time and budget on projects where full removal isn’t an option.
TABLET / MOBILE Version

Existing Adhesive System
Built for non-concrete subfloors, this system ensures stability and smooth installs across renovation and multi-family projects.

Everyday Wood or Gypsum Commercial System
Engineered for quick-turn installs, this system minimizes disruption and enables same-day prep in occupied spaces.

Rapid Resilient No Moisture System
This system works with intact adhesive, saving time and budget on projects where full removal isn’t an option.
Desktop Version
Customize with the PrepWorx Series
PrepWorx includes both complete systems and individual prep products, organized into easy-to-navigate PrepWorx Series. From patching and leveling to priming and moisture control, each solution is designed to address a variety of subfloor conditions in the commercial environment. Build your prep strategy one product at a time.
TABLET / MOBILE Version
Customize with the PrepWorx Series
PrepWorx includes both complete systems and individual prep products, organized into easy-to-navigate PrepWorx Series. From patching and leveling to priming and moisture control, each solution is designed to address a variety of subfloor conditions in the commercial environment. Build your prep strategy one product at a time.
Desktop/tablet Version
Series 100 | Repair + Patching Compounds
Fill Cracks, ramp, smooth, skim, patch or general repair
mobile Version
Series 100 | Repair + Patching Compounds
Fill Cracks, ramp, smooth, skim, patch or general repair

VP100 | Versatile Skim Coat & Patching
10 lb 289CA | 25 lb 290CA

MRS101 | Moisture Resistant Skim Coat & Patching
286CA

QP102 | Quick Drying Skim Coat & Patching Compound
287CA
- Cement based patch underlayment
- Perfect for application over concrete substrates
- Engineered to create smooth durable surfaces
- Used for resilient sheet, LVP, LVT, ceramic, carpet and glue down or click hardwood
- Available in 10 lbs. bags; 180 bags per pallet
- 16 sq. ft. per 10 lbs. box at 1/8"
- Available in 25 lbs. bags; 100 bags per pallet
- 40 sq. ft. per 25 lbs. bag at 1/8"
- Weatherproof - interior and exterior use
- Engineered to withstand 100% RH; unlimited moisture and water
- Non sanded — Allows for a true featheredge
- Rapid drying - Install floor coverings in as little as 30 minutes
- Interior — Install up to 1/2" or unlimited depth in small areas
- Exterior — Install at a skim coat over large areas and up to 1/4" in small areas
- 10 lbs. bag; 208 bags per pallet
- 28 sq. ft. per bag at 1/8" (2.6 sq. m at 3 mm)
- 56 sq. ft. per bag at 1/16" (5.2 sq. m at 1.5 mm)
- 200 - 250 sq. ft. (18.6 - 23.2 sq. m) per bag at a skim coat
- Multi-use versatility over various substrates
- Superior adherence to substrates
- Quick dry formula — cover ready as soon as 15 minutes
- Apply foam a skim coat to 1" (25 mm)
- For use up to 95% RH
- 10 lbs. bag; 160 bags per pallet
- 100 - 350 sq. ft. skim coat

QVR110 | Quick Drying Versatile Repair
279CA

MRR111 | Moisture Resistant Repair
280CA
- Trowelable repair compound for concrete, wood and gypsum substrates
- Ideal for ramping, screeding and thick application repairs
- Fast drying — Install flooring products in as little as 90 minutes
- Install up to 1" neat, and up to 3" if blended with aggregate
- Achieves 4,500 psi compressive strength at 28 days
- No primer required for installations over concrete substrates
- 40 lbs. bag; 64 bags per pallet—Up to 99%
- 25 sq. ft. per 40 lbs. *18 kg) bag at 1/4" (2.3 sq. m at 6 mm)
- 50 sq. ft. per 40 lbs. *18 kg) bag at 1/8" (4.6 sq. m at 3 mm)
- Interior use only
- Use over Portland cement-based and gypsum-based leveling compounds
- Use over well bonded adhesive residues including cutback adhesive
- Use over securely attached plywood, OSB, or other suitable wood substrates
- Commercial and residential applications
- Use with radiant floor heating systems
- 20 lbs. bag; 72 bags per pallet—100% RH
- 11.25 sq. ft. at 1/4"
Desktop/tablet Version
Series 200 | Self-Leveling Underlayments
Pourable materials to create a flat, level surface for large surface prep, uneven or sloped substrates
mobile Version
Series 200 | Self-Leveling Underlayments
Pourable materials to create a flat, level surface for large surface prep, uneven or sloped substrates

HFL200 | High Flow Self Leveling
277CA

VL201 | Versatile Cementitious Self-Leveling
276CA

QL202 | Cementitious Underlayment
275CA
- Up to 2" in depth
- Interior use only
- Use over well bonded adhesive residues including cutback adhesives
- 50 lbs. bag; 42 bags per pallet—85% RH
- Walkable in 3-4 hours
- 24 sq. ft. at 1/4"
- Versatile cementitious self-leveling product
- High flow
- Interior use only
- High moisture up to 99% RH
- 50 lbs. bag; 48 bags per pallet
- Walkable with in 2-3 hours
- 25 sq. ft. per bag at 1/4"
- 50 sq. ft. per bag at 1/8"
- Quick drying and self-leveling
- Levels from 1/8" up to 1"
- Interior use only
- Rapid drying technology
- Install most flooring in 2 hours
- High moisture up to 99% RH
- 50 lbs. bag; 48 bags per pallet
- 25 sq. ft. per bag at 1/4"
- 50 sq. ft. per bag at 1/8"

WGL203 | Quick Drying Synthetic
278CA
- Self-leveling product for wood and gypsum substrates
- Up to 2" in depth
- Interior use only
- Can be used over APA Exposure Type 1 plywood and OSB
- Renovation of gypsum and Portland-based leveling compounds
- Can be used over old adhesive residues including cutback adhesives
- 50 lbs. bag; 42 bags per pallet—75% RH
- Walkable in 2 hours
- 60 sq. ft. at 1/8"
Desktop/tablet Version
Series 300 | Primers + Moisture Control Solutions
Improve bonding and adhesion, mitigate moisture and high RH levels
mobile Version
Series 300 | Primers + Moisture Control Solutions
Improve bonding and adhesion, mitigate moisture and high RH levels

QBC300 | Premixed Quick Drying Base Coat
281CA

VBC301 | Versatile Substrate Base Coat
1 Gallon 282CA | 2.6 Gallon 283CA

MCS310 | Moisture Control Solution (Mitigation System)
284CA
- Produces a texture surface for tenacious bond
- Ideal for areas that may become damp or wet
- Dries within 30 minutes
- 4 gal. pails; 48 pails per pallet
- 300 sq. ft. (27.8 sq. m) per 1 gal. (3.79 L) unit
- 1,050 sq. ft. (97.5 sq. m) per 3.5 gal. (13.25 L) unit
- Up to 85% RH
- Can be used over Portland gypsum leveling compounds
- Use over OSB or equally rated subfloor material
- 60 - 120 minute dry time
- 1 gal. bag; 128 bags per pallet
- 300 - 460 sq. ft. undiluted | 540 - 1,040 sq. ft. diluted
- 2.6 gal. bag; 60 bags per pallet
- 800 - 1,200 sq. ft. undiluted | 1,400 - 2,700 sq. ft. diluted
- One-coat
- For RH up to 100% in new or existing concrete
- Fast setting
- Reduces moisture vapor emissions to acceptable levels for flooring
- For commercial and residential flooring
- Permeability: 0.06
- Walkable in 4 hours

VBS311 | Excess Moisture Blocker
285CA

BC 9000 | Barrier Coat
2.5 Gallon 256CA
9050 Multi-Purpose Primer | Multi-Function Floor Primer
Resilient Tile 032VS | Broadloom H9050
Carpet Tile H905U | Sheet 031VS
- Vapor barrier solution (mitigation system)
- For RH readings up to 100%
- Concrete must be clean and absorbent
- Fast drying
- Ready for use
- 5 gal. pails; 36 pails per pallet
- Approx. 1,125 sq. ft. (27.6 sq. m) per unit at 2 coats
- Approx. 225 sq. ft. per gal (5.5 sq. m per L) at 2 coats
- Moisture barrier up to 99% RH or 20 lbs. CaCi test
- 2-part epoxy resin
- Seals existing adhesive residue
- Prevents plasticizer migration
- Easy application
- Low VOC
- Easy roll-on application
- 300 - 300 ft2/gal. spread rate
- Ideal for lightweight concrete, plywood, floor patch and other porous surfaces
- pH blocker neutralizes excess alkali to safe 5 - 9 range
- 4 gal. pail; 48 pails per pallet
- Effective over gypsum
Desktop/tablet Version
Series 400 | Specialty Products
Targeted solutions for unique conditions needing crack repair and fiber reinforcement
mobile Version
Series 400 | Specialty Products
Targeted solutions for unique conditions needing crack repair and fiber reinforcement

CJR400 | Crack and Joint Repair
288CA

RF401 | Reinforcing Fibers
291CA
- Crack and joint repair for concrete substrates
- Two-part polyurethane
- Extremely low viscosity for deep penetration
- For cracks and control joints
- Fast setting
- Ready within 10 - 15 minutes
- 12 tuber per box; 48 boxes per pallet
- Spread rate varies with depth of fill area
- For self-leveling underlayments
- Interior use only
- Reduces cracking of the leveling compound when used on unsound substrates
- 5 bags per box; 144 boxes per pallet
- 1 bag per bag of leveler