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Home Cad D41 – EXTERNAL INSULATED ROOFTOP WITH DRAINAGE CELL AND BALLAST (IRMA)

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D41 – EXTERNAL INSULATED ROOFTOP WITH DRAINAGE CELL AND BALLAST (IRMA)

D41 External Insulated Rooftop With Drainage Cell and Ballast (IRMA) CAD provides instructional detail on waterproofing an external insulated rooftop with ballast. This CAD detail shows the waterproofing being installed under the insulation.