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Levelrock® Brand 2500 Series Floor Underlayments

Offers the highest compressive strengths in its class (2000 to 3200 psi), providing low-thickness applications over plywood subflooring in single-family, multi-family and hotel/motel construction.

Approximate Compressive Strength
2,000 – 3,000 psi (13.8 – 22.1 MPa)

Levelrock® Brand 3500 Series Floor Underlayments

Superior performance for higher-traffic areas in both wood-frame and light-commercial construction.

Approximate Compressive Strength
3,500 – 4,500 psi (24.1 – 31.0 MPa)

Levelrock® Brand 4500 Series Floor Underlayments

With compressive strengths of 4500 – 5500 psi these underlayments provide a smooth, hard surface over concrete slabs, pre-stressed concrete and concrete planks.

Approximate Compressive Strength
4,000 – 5,000 psi (27.6 – 34.5 MPa)

Levelrock® Brand CSD® Early Exposure™ Series Floor Underlayments

Self-sealing poured underlayments designed specifically for interior use in buildings with light-gauge steel frame construction and direct application to corrugated steel decks.

Approximate Compressive Strength
3,500 – 5,000 psi (24.1 – 34.5 MPa)

Durock™ Brand Quik-Top™ Self-Leveling Underlayment

Pre-sanded, self-leveling, cementitious underlayments with the highest compressive strengths in the industry (7000 – 10,000 psi).

Approximate Coverage
22 sq. ft.
Thickness Range
FE – 3 in.
Approximate Compressive Strength
7,000 – 10,000 psi

Durock™ Brand Quik-Top™ FR Self-Leveling Underlayment

Pre-sanded cementitious underlayments for interior use in commercial, institutional and rehab construction

Durock™ Brand Multi-Use Self-Leveling Underlayment

High quality, pre-sanded cementitious underlayment for use in multiple interior applications.

Approximate Coverage
22 sq. ft.
Thickness Range
3/8 in. – 3 in.
Approximate Compressive Strength
3,500 – 4,500 psi

Durock™ Brand UltraCap® Self-Leveling Underlayment

High strength Portland cement-based poured underlayment.

Approximate Coverage
23 sq. ft.
Thickness Range
FE – 2 in.
Approximate Compressive Strength
4,500 – 5,500 psi

Durock™ Brand UltraCap® Pro Self-Leveling Underlayment

Fast-applying, fast-setting Portland cement-based floor underlayment.

Durock™ Brand ProFlow™ Self-Leveling Underlayment

A self-leveling gypsum concrete with an impressive compressive strength range of 6000 – 8000 psi.

Approximate Coverage
22 sq. ft.
Thickness Range
FE – 1 in.
Approximate Compressive Strength
6,000 – 8,000 psi

Durock™ PWT™ Pro Self-Leveling Topping

Specially formulated self-leveling, polishable wear topping for interior use.

Approximate Coverage
80 sq. ft.
Thickness Range
3/8 in. – 3 in.
Approximate Compressive Strength
5,000 – 7,000 psi

Levelrock® Brand D20 Plus™ Low Profile Sound Mat

Low profile sound system for concrete decks.

Substrate Type
Concrete, Structural Panels
Sound Mat/Board Thickness
0.10 in. (3 mm)
Min. Underlayment Thickness
1/2 in. (13 mm)

Levelrock® Brand SAM-N12™ Sound Attenuation Mat

Slim profile sound mat that can be used over a variety of subfloors.

Substrate Type
Wood, Concrete, Corrugated Steel Deck, Structural Panels
Sound Mat/Board Thickness
1/8 in. (3 mm)
Min. Underlayment Thickness
3/4 in. (19 mm)

Levelrock® Brand SAM-N12™ Ultra Sound Attenuation Mat

A slim and economical sound mat with superior IIC ratings.

Substrate Type
Plywood, OSB, Pre-Cast Concrete, Concrete, Corrugated Steel Deck
Sound Mat/Board Thickness
3/16 in. (5 mm)
Min. Underlayment Thickness
3/4 in. (19 mm)

Levelrock® Brand SAM-N25™ Sound Attenuation Mat

Economical slim-profile sound mat with a special moisture control backing.

Substrate Type
Wood, Concrete, Corrugated Steel Deck, Structural Panels
Sound Mat/Board Thickness
1/4 in. (6 mm)
Min. Underlayment Thickness
1 in. (25 mm)

Levelrock® Brand SAM-N25™ Ultra Sound Attenuation Mat

Economical slim-profile sound mat with a special moisture control backing the provides superior IIC ratings for demanding sound environments.

Substrate Type
Wood, Concrete, Corrugated Steel Deck, Structural Panels
Sound Mat/Board Thickness
5/16 in. (8 mm)
Min. Underlayment Thickness
1 in. (25 mm)

Levelrock® Brand SAM-N40™ Sound Attenuation Mat

Durable sound attenuation mat increases the IIC and STC values to meet or exceed IBC code requirements.

Substrate Type
Wood, Concrete, Corrugated Steel Deck, Structural Panels
Sound Mat/Board Thickness
2/5 in. (10 mm)
Min. Underlayment Thickness
1 in. (25 mm)

Levelrock® Brand SAM-N40™ Ultra Sound Attenuation Mat

Provides superior IIC ratings for demanding sound environments.

Substrate Type
Wood, Concrete, Corrugated Steel Deck, Structural Panels
Sound Mat/Board Thickness
7/16 in. (11 mm)
Min. Underlayment Thickness
1 in. (25 mm)

Levelrock® Brand SAM-N75™ Sound Attenuation Mat

Sound attenuation mat for rehab work in loft-type buildings.

Substrate Type
Wood, Concrete, Corrugated Steel Deck, Structural Panels
Sound Mat/Board Thickness
3/4 in. (19 mm)
Min. Underlayment Thicknes
1-1/2 in. (38 mm)

Levelrock® Brand SAM-N75™ Ultra Sound Attenuation Mat

A high-performing sound mat ideal for multifamily wood frame construction.

Substrate Type
Plywood, OSB, Pre-Cast Concrete, Concrete, Corrugated Steel Deck
Sound Mat/Board Thickness
11/16 in. (17 mm)
Min. Underlayment Thickness
1-1/2 in. (38 mm)