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- 1. After trusses are set, run two purlins to make sure the trusses are not pulled out of line.
2. Attach Aislatermic 48" Insulation to the first truss with at least 5/16" staples. Temporarily nail a 2" x 4" block to the truss to prevent foil from pulling away.
- 3. Rollout the AISLATERMIC across the trusses and pull the insulation tight.
4.Install purlins over insulation. Nail or screw to trusses through insulation.
5.Butt seams and tape with Reflectix® Foil Tape.*
6. Install the metal roof to purlins.
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