Underlayment
Manufacturers offer technical support and/or product sheets that can answer your questions regarding performance or application of proprietary products.


Regular Members  
American Olean
Phone: (214) 398-1411
Dal-Tile Corporation
Phone: (214) 398-1411
Summitville Tiles, Inc.
Phone: (330) 223-1511
 
Associate Members  
Allied Custom Gypsum & Plasterworks, LLC
Phone: (405) 366-9500
Amorim Industrial Solutions
Phone: (800) 255-2675
Blanke Corporation
Phone: (800) 787-5055
Bonsal American
Phone: (704) 525-1621
Bostik, Inc.
Phone: (888) 592-8558
C-Cure
Phone: (800) 895-2874
CertainTeed Gypsum, Inc.
Phone: (800) 233-8990
Custom Building Products
Phone: (800) 272-8786
Fin Pan, Inc.
Phone: (800) 833-6444
Fortifiber Building Systems Group
Phone: (800) 773-4777
Georgia-Pacific Dens-Shield
Phone: (800) 225-6119

James Hardie Building Products
Phone: (888) JHARDIE

Laticrete International, Inc.
Phone: (800) 243-4788
MAPEI Corporation
Phone: (888) 356-2734
Maxxon Corporation
Phone: (800) 356-7887
Mer-Krete Systems/Mer-Ko Materials - A Division of ParexLahabra
Phone: (800) 851-6303
National Applied Construction Products
Phone: (800) 633-4622

National Gypsum Company
Phone: (704) 365-7300

North America Tile & Tool Co. (NATTCO)
Phone: (859)525-8891

Polyguard Products
Phone: (214) 515-5000

Protecto Wrap Company
Phone: (800) 759-9727

RB Rubber Products, Inc.
Phone: (503) 472-4691

Schluter Systems
Phone: (800) 472-4588
SGM, Inc. (Southern Grouts and Mortars)
Phone: (800) 641-9247
TEC Specialty Construction Brands, Inc.
Phone: (800) 832-9002

Texas Cement Products, Inc.
Phone: (800) 669-0115

United States Gypsum
Phone: (312) 606-4000

 


If your question is still unresolved, you have several choices to explore other means of technical support.

Situation May Require an On-Site Inspection to resolve the problem.

Installation May Require Sample Testing

Questions Regarding Handbook Guidelines or American National Standards