Multifamily cover

Multifamily

Curated byFormulated Materials3 stacksUpdated Jun 2026
Everything you need to build and waterproof multifamily properties from the balcony deck to the floor beneath your feet. This collection brings together Formulated Materials' three core product systems: exterior waterproofing, interior underlayment, and integrated balcony railing giving contractors and developers a complete resource for durable, high-performance construction.

Complete product catalog for the ELEVATION waterproofing system by Formulated Materials. Covers membranes, primers, sealants, flashings, drip edges, drainage mats, T-bars, and railing support components for balconies and breezeways.

ELEVATION® ONE Waterproofing System
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ELEVATION® ONE Waterproofing System

ELEVATION® ONE Balcony Waterproofing System is the most reliable, most effective, most consistent wood-framed balcony waterproofing system available.

Sheet Waterproofing System
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Sheet Waterproofing System

Water infiltration is one of the most damaging and costly problems facing the construction industry. Formulated Materials is proud to offer ELEVATION® — the first complete breezeway and balcony waterproofing system, setting a new standard for elevated waterproofing.

Elevation® S60 Membrane
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Elevation® S60 Membrane

ELEVATION® S60 is a sheet waterproofing membrane engineered specifically for use with the ELEVATION® ONE Waterproofing System. This product ensures reliable protection against water intrusion, making it ideal for various construction applications.

Elevation® SP1 Primer
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Elevation® SP1 Primer

ELEVATION® SP1 Waterproofing Primer is a water-based, pressure sensitive primer for use with S60 Sheet waterproof membrane. SP1 is suitable for use for application to concrete, plywood and polyisocyanurate roofing insulation.

Elevation® SM2 Lap Sealant
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Elevation® SM2 Lap Sealant

Elevation® SM2 Urethane Waterproofing is a multi-purpose, resilient joint sealant that combines economy and high performance. It is ideal for a wide range of applications where joint movement requires compression and extension in excess of 25%.

Elevation Base Flashing
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Elevation Base Flashing

Roll-formed 26-gauge galvanized steel base flashing installed along perimeter walls of balcony assemblies. Provides a flat, rigid, and uninterrupted substrate for the Elevation S60 waterproof membrane to bond to, compensating for framing gaps, inconsistencies, and omissions at the base of framed walls. Waterproofing performance is no longer dependent on perfect field conditions.

Full product line for TREADSTONE interior underlayment systems by Formulated Materials. Includes fire-rated gypsum underlayments, acoustic mats, leveling compounds, primers, seam tapes, and perimeter isolation components for multifamily construction.

Treadstone® Interior Underlayment Systems
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Treadstone® Interior Underlayment Systems

Treadstone® Floor Underlayment Systems offer superior fire resistance, acoustic mats and self-leveling solutions; 10x stronger and 25% lighter than leading brands.

Gypsum Floor Underlayments
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Gypsum Floor Underlayments

Treadstone® gypsum underlayments are a proprietary cementious formulation with the fire-resistive, non-shrinking, fast cure qualities of a gypsum underlayment with enhanced compressive strength, high flow and abrasion resistance — eliminating the “soft, chalky” negative association of gypsum products of the past. TREADSTONE® provides a full line of gypsum underlayments, self-levelers, and acoustic underlayments engineered to elevate the construction industry.

Treadstone® FR25
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Treadstone® FR25

Our innovative Treadstone® FR25 gypsum concrete formulation adds the cementitious properties of high flow, high strength and abrasion resistance to the fire-resistive, non-shrinking, fast cure properties of gypsum underlayment.

Treadstone® FR30 Gypsum Underlayment
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Treadstone® FR30 Gypsum Underlayment

Treadstone® FR30 is an advanced gypsum concrete formulation that offers fire-rated performance and higher compressive strength of up to 3800psi. It combines the fire-resistive and high flow properties of Treadstone® FR25, making it an ideal choice for various construction applications.

Treadstone® FR30P Pre-Pour
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Treadstone® FR30P Pre-Pour

Treadstone® FR30P pre-pour underlayment provides an effective solution to pre-pour projects of underlayment between interior walls, and below locations of tubs, shower enclosures and other areas containing appliances installed before the installation of underlayments.

HydroPhase® APS Advanced Primer & Sealer
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HydroPhase® APS Advanced Primer & Sealer

Formulated Materials® APS leveling concrete primer is a low VOC acrylic primer and sealer for improved performance of fire-rated underlayments and levelers by providing a solid bond to the substrate during installation. This product enhances substrate bonding, ensuring optimal results in various applications.

Complete product catalog for the Integrated Balcony Railing System by Formulated Materials. Leak-proof aluminum railing components including posts, rails, brackets, pickets, stanchions, and hardware for waterproofed concrete balconies.

Integrated Balcony Railing System®
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Integrated Balcony Railing System®

One aluminum railing line built for drip-through decks and waterproofed concrete balconies. Direct Mount or Stanchion Mount keeps mounting details consistent across the entire project, even when jobsite requirements vary.

Integrated Bottom Rail, 5 ft
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Integrated Bottom Rail, 5 ft

The Integrated Railing 5' Bottom Rail is a powder-coated extruded 6063-T6 aluminum rail section designed to span between posts at the bottom of the Integrated Railing System. This product offers durability and a sleek finish for various railing applications.

Integrated Bottom Rail, 6 ft
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Integrated Bottom Rail, 6 ft

The Integrated Railing 6' Bottom Rail is a powder-coated extruded 6063-T6 aluminum rail section. It provides durability and support for various railing applications, ensuring a robust and long-lasting solution for your projects.

Integrated Level Bottom Bracket
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Integrated Level Bottom Bracket

The Integrated Railing Bottom Rail Level Bracket is a cast 383 aluminum socket bracket contoured to the shape of the bottom rail profile. This product is designed to provide a secure and stable connection for railing systems, ensuring durability and performance in various applications.

Integrated Level Top Bracket
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Integrated Level Top Bracket

The Integrated Railing Top Rail Level Bracket is a cast 383 aluminum socket bracket contoured to the shape of the top rail profile. This product is designed to provide a secure and aesthetically pleasing connection for railing systems.

Integrated Railing Leveling Shim
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Integrated Railing Leveling Shim

The Integrated Railing Leveling Shim is a component designed to assist in leveling the railing post base on sloped or uneven deck surfaces. This product ensures stability and safety for railings, making it ideal for various outdoor settings.