Ready-To-Assemble (RTA) Structural Insulated Panel (SIP) System

Insulspan Ready-to-Assemble (RTA) Complete SIP Building System

The Insulspan® Structural Insulated Panel (SIP) System is an industry-leading, ready-to-assemble (RTA) system. It provides homeowners, builders, architects, and timber framers a competitive edge over traditional stick frame construction. The RTA process reduces construction time and improves efficiency from beginning to end.

It Starts with Design

Insulspan’s experienced design team produces precise SIP drawings based on your plans using HSB AutoCAD. These detailed drawings include all panel configurations along with ridge and purlin details, deck connections, panel connections, sealant and fastener details, insulated header and lumber details, and joint tape details. To view example pages from a set of construction drawings provided by Insulspan, click on the image to the right.

During the design process, we optimize the panel package for your residential or commercial building. This ensures your panel package gives you optimal panel usage as well as speed and ease of construction.

Our detailed construction drawings accompany the SIP package to your job site. The Insulspan Installation Guide is also included.

Quality-Controlled Manufacturing

Using detailed shop drawings created by our design team, panel manufacturing begins with pre-cutting per your specifications and takes place in our controlled environment. Our manufacturing includes all straight, miter, and bevel cuts needed for the eaves and rakes as well as openings for doors, windows, and skylights. As a result, you will not have to cut the panels on the job site (unless the foundation or architectural plans deviate from the original estimated contractual plans).

The expanded polystyrene (EPS) insulation in the wall and roof panels is relieved to receive the 2x lumber components that are included in the Insulspan RTA package. While this is happening, another member of the Insulspan manufacturing team cuts the lumber components, including ripping and beveling the material as required; drills all lumber for wire chases; and assembles the insulated lumber headers. Supplied lumber components include:

• top and bottom plates
• corner and spline connections
• window and door bucking
• all built-up header material consisting of standard or engineered lumber and insulation

Finally, all lumber components that can be installed prior to delivery are, including window and door bucks and connections as well as corner and structural spline connections.

What About Electrical Wire Chases?

Panels include standard, pre-drilled wire chases at 14″ and 48″ above the floor and 6″ from door openings on both sides. Need additional chase locations included in your panels? You can easily add them during the design phase, and we include them in your panels’ manufacture. Common locations of custom wire chases include: ceiling fans, ceiling lights or chandeliers, walls sconces, and outlets at vanity height in bathrooms.

What About Roof Support?

SIPs are structural; however, they may require additional support in some situations. We can supply architectural-grade glulam beams for ridge, hip, valley, and purlins if your residential or commercial roof design requires them. If you want Insulspan to supply glulam beam support, our design team will develop a roof support system for your project. Ask your sales representative to include them in your quote.

SIP Wall and Roof Installation

The Insulspan RTA SIP package arrives just in time for installation based on your established construction schedule. Your panels arrive pre-prepared for sub-trades. This means when the panels arrive on your site, they have labels, lumber installed, and wire chases cut. Construction drawings accompany your panels, showing you the panel locations based on the numbers and letters on each panel. Simply assemble the panels in order based on the drawings.

If you have not previously worked with SIPs, Insulspan offers the option to have a technical advisor on your site. This advisor helps guide you during installation. The Insulspan team, many of whom have been with Insulspan for a decade or more, are happy to share their knowledge and expertise with you through this on-site training.

Insulspan Ready-To-Assemble SIP building system comes with all you need to complete the SIP envelope

• Cut-to-size panels with all edge reliefs done and lumber components installed at window and door openings, and corner and structural spline connections.
• Any lumber components that Insulspan cannot install during panel manufacturing provided to you trimmed and ready for install.
• Lifting plates to facilitate safely moving the panels into place.
• Fasteners, tested for sheer strength, provided based on the thickness of your panel package.
• Sealant to use during installation at all connection points to eliminate air infiltration.
• A 2-part, high expansion foam to fill any joints. This foam completely seals your building’s thermal envelope.
• 6″ panel joint tape for use as a secondary barrier at the wall and wall-to-roof seams to prevent air and moisture movement. 12″ or 18″ joint tape is provided for use at ridge and beam connections.
• Building wrap to protect the OSB from any moisture that may penetrate the exterior cladding.

Benefits of Insulspan’s Ready-to-Assemble SIP Package:

• Accurate and complete design documentation, including detailed assembly drawings
• Quality manufacturing in a controlled environment
• Ease of assembly on-site
• Complete materials package includes everything you need to install the SIP envelope
• Prefabricated panels result in faster construction speeds
• Reduced job site labor costs for framing and insulation

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