Specification Chemicals, Inc.                                                                                                      November 2002
824 Keeler Street
Boone, Iowa 50036
Toll Free (800) 247-3932
Phone (515) 432-8256
Fax (515) 432-8366
Web Site www.spec-chem.com


Product Guide Specification


Specifier Notes: This product guide specification is written according to the Construction Specifications Institute (CSI) 3-Part Format, including MasterFormat, SectionFormat, and PageFormat, contained in the CSI Manual of Practice.The section must be carefully reviewed and edited by the Architect to meet the requirements of the project and local building code. Coordinate this section with other specification sections and the drawings.Delete all "Specifier Notes" when editing this section.

SECTION 13125

METAL BUILDING ROOF REPAIR


Specifier Notes: This section covers Specification Chemicals metal building roof repair. Consult Specification Chemicals for assistance in editing this section for the specific application.


PART 1 GENERAL

1.1 SECTION INCLUDES

A. Metal building roof repair.

1.2 RELATED SECTIONS

Specifier Notes: Edit the following list of related sections as required for the project. List other sections with work directly related to this section.

A. Section 07410 - Metal Roof Panels.

B. Section 13120 - Pre-Engineered Structures.

1.3 REFERENCES

Specifier Notes: List standards referenced in this section, complete with designations and titles. This article does not require compliance with standards, but is merely a listing of those used.

A. ASTM D 146 - Standard Test Methods for Sampling and Testing Bitumen-Saturated Felts and Woven Fabrics for Roofing and Waterproofing.

B. ASTM D 412 - Standard Test Methods for Vulcanized Rubber and Thermoplastic Rubbers and Thermoplastic Elastomers-Tension.

C. ASTM D 882 - Standard Test Method for Tensile Properties of Thin Plastic Sheeting.

1.4 SUBMITTALS

A. Comply with Section 01330 - Submittal Procedures.

B. Product Data: Submit manufacturer's product data, including surface preparation and application instructions.

C. Samples: Submit manufacturer's 6-inch square sample of membrane.

D. Manufacturer's Certification: Submit manufacturer's certification that materials comply with specified requirements and are suitable for intended application.

E. Warranty: Submit manufacturer's standard warranty.

1.5 DELIVERY, STORAGE, AND HANDLING

A. Delivery: Deliver materials to site in manufacturer's original, unopened containers and packaging, with labels clearly identifying product name and manufacturer.

B. Storage:
  1. Store materials in clean, dry area in accordance with manufacturer's instructions.
  2. Keep containers sealed until ready for use.
  3. Protect roof coating from freezing.

C. Handling: Protect materials during handling and application to prevent damage or contamination.

1.6 ENVIRONMENTAL REQUIREMENTS

A. Do not apply membrane at air or surface temperature below 40 degrees F.

B. Do not apply roof coating at air or surface temperature below 50 degrees F.

C. Do not apply roof coating if air or surface temperature will fall below 40 degrees F within 24 hours after application.

D. Do not apply roof coating if rain is expected within 24 hours after application.


PART 2 PRODUCTS

2.1 MANUFACTURER

A. Specification Chemicals, Inc., 824 Keeler Street, Boone, Iowa 50036. Toll Free (800) 247-3932. Phone (515) 432-8256. Fax (515) 432-8366. Web Site www.spec-chem.com.

2.2 METAL BUILDING ROOF REPAIR

A. Membrane: #460 Pol-E-Base.
  1. Description: Self-adhering membrane of bituminous resin modified with synthetic resins and reinforced with polyester fabric.
  2. Weight: 24 pounds per 100 square feet, nominal.
  3. Thickness: 40 mils, nominal.
  4. Tensile Strength, ASTM D 882: 256 psi, nominal.
  5. Pliability, ASTM D 146: Pass.
  6. Elongation, ASTM D 882: 58 percent, nominal.
  7. Ultimate Failure of Tar Mass, ASTM D 412: 500 percent, nominal.

B. Primer: #80 Primer. Solvent-based black primer.

C. Self-Adhering Fastener Covers: #465 Screw-Caps. 1-1/2-inch or 2-inch round die-cut pieces of #460 Pol-E-Base used to seal over roof fasteners.

Specifier Notes: Specify #1300T Reflective White Elastomeric Coating or #1300 Gray White Plastic Elastomeric Coating.

D. Reflective White Roof Coating: #1300T Reflective White Elastomeric Coating. Elastomeric, acrylic, reflective-white emulsion curing to flexible, waterproof membrane.

E. Gray Roof Coating: #1300 Gray White Plastic Elastomeric Coating. Elastomeric, acrylic, gray emulsion curing to flexible, waterproof membrane.


PART 3 EXECUTION

3.1 EXAMINATION

A. Examine surfaces to receive metal building roof repair. Notify Architect of conditions that would adversely affect application. Do not proceed with application until unsatisfactory conditions are corrected.

3.2 SURFACE PREPARATION

A. Prepare surfaces in accordance with manufacturer's instructions.

B. Ensure surfaces are clean, dry, smooth, and sound.

C. Remove dirt, dust, oil, grease, asphalt not cured dry, and other contaminants that could adversely affect adhesion of metal building roof repair.

D. Ensure roof surface is properly sloped to drains, with no ponding water.

E. Apply primer over asphalt-based aluminum coatings, silicone coatings, and rusty metal.

F. Tighten or replace roof fasteners.

3.3 APPLICATION

A. Apply metal building roof repair in accordance with manufacturer's instructions.

B. Apply membrane over seams on roof.

C. Center self-adhering fastener covers over roof fasteners.

D. Apply 2 coats of roof coating to roof surface, including membrane and self-adhering fastener covers.

E. Do not add thinners to roof coating.

3.4 PROTECTION

A. Protect applied metal building roof repair from damage during construction.


END OF SECTION