DSM-FP
Trafficable Joint System For Plaza Decks & Split Slabs

The DSM-FP System is designed to provide a watertight, trafficable joint system
in smaller 1/2" (12mm) to 4" (100mm) joint openings, in decks of split-slab
design. DSM-FP expands the use of the DSM SYSTEM to waterproofed split-slab deck designs through the use of side flashing sheets that integrate with the deck waterproofing membrane.

Uses, Applications
• For new construction and retrofit of old or failed joint systems.
• For restoring watertightness to chronic leaking over occupied spaces.
• Uniquely suited to joint openings between split-slab and solid slab construction
• Uniquely suited to deck-to-wall and deck-to-column conditions in split-slab construction
• Plaza and podium decks
• Split slab or asphalt-overlay parking decks
• Airport roadways
• Mall bridge connectors
• Stadium concourses, etc.

Product Description
• The system consists of two subassemblies: 1) The structural-slab mounted supporting legs with integral waterproofing side sheets; and 2) the joint sealing silicone-faced foam.

Features:
Watertight – The tensionless silicone bellows are installed essentially flush to the deck surface just below the stainless steel capping strips thereby ensuring watertightness at the wear-course surface. This eliminates the need for secondary moisture barriers and gutter systems.

Continuity of Seal – All EMSEAL expansion joint systems feature continuity of seal through changes in plane and direction –– an essential performance differentiator. Fabricated transitions from deck to wall, at curbs, sidewalks, parapets, tees, and crosses are available with the DSM-FP.

DSM-FP is an effective watertight expansion joint for bridging split-slab and solid-slab construction. The watertight precompressed DSM foam sealant is held securely in place by utilizing the back-pressure of the expanding foam, epoxy adhesive, and a field-injected silicone sealant band at the substrate interface. The connection to solid-slab construction is made directly to the slab substrate. The split-slab connection is made to the DSM-FP mounting leg. The split-slab connection incorporates an integral waterproofing flashing sidesheet embedded between layers of the deck waterproofing membrane on the structural slab and beneath the topping slab.

(L) Solid-Slab to Split-Slab / Deck to Deck                                    (R) Wall/Column to Split-Slab

Joints straddled by the DSM-FP system could be as small as 1/2-inch (12mm) and up to 4-inches (100mm). The minimum gap between the DSM-FP legs is 1-inch (25mm).

(For joints larger than 4" (100mm) see SJS-FP)

As seen above, the width between the legs of the DSM-FP installed in the topping slab does not need to necessarily be the same as the joint gap in the lower structural slab. The lower gap should  be no wider than the width of the DSM-FP foam above it, although cantilevered leg options can be configured to suit special conditions--consult EMSEAL.

Leg Heights: 3 3/16" inches (80mm) to 12-inches (300mm) 

Note: As joint width increases so does the depth of the DSM precompressed foam--minimum leg heights for wider joints will be determined by the depth of the DSM foam.

Fire Rating
Fire rating options for joints sealed with DSM-FP are available--Please consult EMSEAL.

Consult EMSEAL for model number suitable to your specific application.