Industrial | Metal Building Roofing Contractors in Grantsburg

McNally Industries


340 W Benson Ave • Grantsburg, WI 54840


Roofing Project Description

We are proud to complete the following flat roofing project for McNally Industries.

A custom cut EPS insulation flute fillers were installed between the existing metal ribs, and an additional layer of 1.5” polyisocyanurate insulation was installed over to create a flat surface. A Duro-Last membrane was installed and a 15 year warranty was provided.


Roofing Project Details

The flat roofing project for McNally Industries consisted of the following.

Year Installed: 2017, 2018, and 2020

Approximate Square Footage: 27000

Insulation: EPS Fillers And 1.5" ISO

Roof System: 40 Mil White Mechanically Fastened 15 Year NDL Warranty

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