The Simpson DETAL Dual Embedded Truss Anchor is a high-capacity connector engineered for the secure attachment of single-ply trusses to concrete and masonry walls. It combines dual embedded anchors with a structural moisture-barrier seat that is partially embedded in the concrete or grout - protecting the truss from direct contact with the wall while delivering additional lateral and uplift capacity. The embedded anchors are pre-attached to the moisture barrier through slots that allow for a slight amount of adjustability, providing flexibility during installation to avoid rebar. Tabs at each end of the moisture-barrier seat offer optional attachment to the form board in concrete tie-beam applications, making this anchor a versatile solution for a range of wall construction scenarios.

Key Features

• Embeds 4-1/2 in. into a poured concrete bond beam or grouted block wall - deep embedment creates a strong, stable anchor point that resists the forces acting on roof truss connections.
• Staggered nail pattern - distributes fastener load more effectively across the truss, delivering enhanced uplift resistance where wind and structural forces are greatest.
• Embossed angle for added rigidity - structural reinforcement built directly into the connector maintains shape and load performance under demanding job-site conditions.
• Dual 16 ga. embedded anchors with 18 ga. moisture barrier - the combination of heavier-gauge anchors and a dedicated barrier seat addresses both structural and moisture-protection requirements in a single component.
• Zinc Galvanized, G90 coating - provides extra corrosion resistance, helping the anchor hold up in outdoor and high-moisture construction environments over the long term.
• Pre-attached anchors with slotted adjustability - the slots allow repositioning of the anchors before the pour, so installers can work around existing rebar without cutting or bending hardware.

Why This Product

• Two-in-one structural and moisture protection - the integrated moisture-barrier seat does double duty, shielding the truss from direct wall contact while also contributing lateral and uplift capacity, reducing the need for separate barrier materials at the truss bearing point.
• Built-in installation flexibility - slotted anchor attachment lets crews fine-tune positioning in the field to clear rebar, keeping projects moving without costly workarounds or special hardware.
• Optimized for concrete and masonry applications - engineered to work in poured concrete bond beams, grouted block walls, and concrete tie-beam applications, this anchor covers the most common wall assemblies used in truss construction.
• Made in the United States to Simpson quality standards - 16 ga. steel construction, G90 galvanizing, and an embossed angle for rigidity reflect the engineering precision builders rely on for high-capacity truss connections.

Specifications

• MPN: DETAL20
• Brand: Simpson Strong-Tie
• Steel Gauge: 16 ga.; barrier 18 ga.
• Coating: Zinc Galvanized, G90
• Finish: Zinc Galvanized, G90
• Install With: 10d x 1-1/2 in. nails or 16d common nails (sold separately)
• Height: 15-3/4 in.
• Country of Origin: United States

Approved Applications

• Attachment of single-ply trusses to concrete and masonry walls
• Poured concrete bond beam installations
• Grouted block wall installations
• Concrete tie-beam applications using optional form board attachment tabs

Frequently Asked Questions

How deep does the DETAL20 embed into the wall?

The DETAL20 embeds 4-1/2 in. into a poured concrete bond beam or grouted block wall, providing a strong, secure anchor point for single-ply trusses.

What type of fasteners are used to install the DETAL20?

The DETAL20 is installed with 10d x 1-1/2 in. nails or 16d common nails.

How does the DETAL20 help during installation if rebar is in the way?

The embedded anchors are pre-attached to the moisture barrier through slots that allow for a slight amount of adjustability, providing flexibility during installation to avoid rebar.

What corrosion protection does the DETAL20 offer?

The DETAL20 features a Zinc Galvanized, G90 coating, which provides extra corrosion resistance, making it suitable for use in demanding construction environments.