

Portage District Library
300 Library Lane Portage, MI

Owner:
Website
Architect:
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Project Description
RETROFIT: 19,373 Square Feet
Install 100 mil White FleeceBack TPO
over existing adhered EPDM membrane.
Install 1,320 SF STANDARD 60 mil GREY TPO
over existing sloped cementitious mansard roof panels
Various areas totaling apprx. 1,058 SF
remove membrane and wet insulation
and install two layers 2.0" replacement ISO
At 10 existing drains-remove membrane/insulation
and install new 8'x8' drain sets
Remove existing walkway prior to FB TPO install
replace with new walkway as well as new added walkway
Reuse existing perimeter gravel stop (apprx. 786 LF)
remove existing EPDM at GS as required.
At bottom perimeter of mansard panel wrap membrane around edge
and secure to soffit with horizontal termination bar
At roof transition areas apprx. 207 LF
remove existing bar termination extend membrane up/over
Furnish/install (2) new scuppers w/ collection boxes
and downspouts in .040 STD. color aluminum and 1 new drain dome.
ROOF SYSTEM
 
100 mil White FleeceBack TPO
60 mil STANDARD GREY TPO

