Frequently Asked Questions
Installation Information
GMCraft Installation
Download the latest GMCraft Installation Guidelines
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
Safety Data Sheets
Building
Roofing
Florida Building Code Approved Products
Saturated Felt
| PRODUCTS NAME | ASTM CODE | FLORIDA CODE # | MIAMI DADE |
|---|---|---|---|
| GAP 30 | D 4869 | FL # 2894.4 | N/A |
| ASTM 15 | D 226 Type I | FL # 2894.5 | Yes |
| ASTM 30 | D 226 Type II | FL # 2894.6 | Yes |
| GMC 30 Felt | Type II | FL # 15822.1 | N/A |
| GMC 15 and 30 ASTM Felt | D 226 Type I and Type II | FL # 15824.1 | Yes |
Roll Roofing
| PRODUCTS NAME | ASTM CODE | FLORIDA CODE # | MIAMI DADE |
|---|---|---|---|
| GMC Tile Underlayment | D 6380 M Type II | FL # 16203 | Yes |
| Tile Underlayment | D 6380 Type II | FL # 2894.2 | N/A |
| 90# MSR Slate Fiberglass | D 3909 | FL # 14140.1 | Yes |
| Base Sheet #43 Organic | D 2626-04 | FL # 14449.1 | Yes |
| G2 Fiberglass Base Sheet | D 4601 Type II | FL # 2894.1 | N/A |
Our Locations
GMC Roofing – Shafter, CA
Contact Information
661-399-4324
661-399-6136
6400 Zerker Road, Shafter, CA 93263
To buy products: order by phone, fax or email. To place orders by email click here. For order form send email to orders@gmcrfg.com.
Our Location
Management Team
Dave Swaroop
Email: dave.swaroopgap@gmail.com
Roofing Felt Sales Contacts
Christi Grindstaff
Executive Vice President of Sales, GMC Roofing
Phone: 918-630-1942
Email: christi@gaproofing.us
Jesse Elmhorst
Sales Territory: Northern California, Hawaii
Phone: 831-801-0387
Email: jesse.elmhorst@gmail.com
Brent Bonnell, RoofSource
Sales Territory: Southern California, Arizona
Phone: 714-342-7663
Email: brent@roofsource.net
Will Williams
Sales Territory: Washington, Oregon, Alaska & Idaho
Phone: 253-225-4858
Email: will@edge2edgebes.com
Sales Territory: Nevada, Montana
Phone: 661-399-4324
Email: Please call office
Building Paper Sales Contacts
Allen Zeigler
Director Of Sales
Phone: 775-742-9728
Email: azeigler0626@gmail.com
Jill Wroblewski
Sales Territory: Arizona, Colorado, Utah, New Mexico, Southern Nevada
Phone: 602-741-6574
Email: jillw.sales@gmail.com
Jerry Kimbrough
Sales Territory: Southern California
Phone: 909-921-6507
Email: JerryKimbrough@yahoo.com
Kent Lewis
Sales Territory: Northern California & Northern Nevada
Phone: 916-801-1289
Email: kentlewis@hotmail.com
Bill Wren
Sales Territory: Texas
Phone: 469-503-0905
Email: WWrenco@att.net
Tim Williams
Sales Territory: Florida
Phone: 813-505-6000
Email: tim@roofsupplyguy.com
GAP Roofing – Pryor, OK
Contact Information
918-825-5200
918-825-5207
Our Location
Management Team
Christi Grindstaff
President, Sales
Phone: 918-825-5200
Email: christi@gaproofing.us
Jamie Passmore
Email: jp@gaproofing.us
Glen Passmore III
Email: g3@gaproofing.us
Key Contacts
Customer Service Email: orders@gaproofing.us