Download ESR News Release

 

Frequently Asked Questions

Download the Frequently Asked Questions flyer about GMCraft

Download a recent bulletin regarding ICC testing and quality control

 

Installation Information

GMCraft Installation

Download the latest GMCraft Installation Guidelines

Download the Corresponding ICC ESR-2376 Report

Roofing Felt Installation

GMC Roofing and Building Paper Products, Inc. recommends the Installation Methods established by the Tile Roofing Institute and adopoted by the Western States Roofing Contractors Association. GMC also recommends installation instructions provided by ARMA (Asphalt Roofing Manufacturers Association).

Installation Instructions for Single and Double Underlayment

General Installation Instructions

 

Safety Data Sheets

Building

Download the GMCraft SDS

Roofing

Download the ASTM Felt SDS

 

Florida Building Code Approved products:

Saturated Felt

PRODUCTS NAMEASTM CODEFLORIDA CODE #MIAMI DADE
GAP 30D 4869FL # 2894.4N/A
ASTM 15D 226 Type IFL # 2894.5Yes
ASTM 30D 226 Type IIFL # 2894.6Yes
GMC 30 FeltType IIFL # 15822.1N/A
GMC 15 and 30 ASTM FeltD 226 Type I and Type IIFL # 15824.1Yes

 

Roll Roofing

PRODUCTS NAMEASTM CODEFLORIDA CODE #MIAMI DADE
GMC Tile UnderlaymentD 6380 M Type IIFL # 16203Yes
Tile UnderlaymentD 6380 Type IIFL # 2894.2N/A
90# MSR Slate FiberglassD 3909FL # 14140.1Yes
Base Sheet #43 OrganicD 2626-04FL # 14449.1Yes
G2 Fiberglass Base SheetD 4601 Type IIFL # 2894.1N/A

 

Warranty Forms:

GMC Warranty Submittal

Double Coverage Warranty Information For the Following Products:

ASTM 30 Single ply warranty
ASTM 30 2ply warranty
GBS 40 Single ply warranty
GBS 40 2ply warranty
OBS 40 Single ply warranty
OBS 40 Double ply warranty