ROOFING TECHNICAL ADVISORY COMMITTEE

 

Minutes

 

April 4, 2011

1:00-2:30 pm

 

 

Embassy Suites at USF
3705 Spectrum Blvd
Tampa
Fl

Phone  (813) 977-7066


Technical Advisory Committee members present …… Christopher Schulte, Chairman

Billy Cone, Lorraine Ross, Karen Warseck, James Buckner, Charles Goldsmith, John (Tim) Tolbert, Mark Zehnal, Bob Boyer.

 

1.      TAC reviewed and approved the agenda and January Minutes.

 

2.      As requested by the Commission, the TAC discussed and reviewed the concern raised regarding proposed code modifications R3814-R1, R3799-R1, and R3800-R1 specific to the application of roof coating.  As part of the discussion, staff provided a summary of the issue detailing the current status of the code change as approved by the Commission for the 2010 FBC including the compromise language provided by the Petitioner.  The following is the staff summary which also include staff proposed recommendation: 

 

1.         Current status:

2010 Florida Building Code

2010 Florida Building Code, Building – Chapter 15

1507.15.3 Roof Coating.  Add to read as follows (Non – HVHZ) :

1507.15.3 Roof Coating.  Application of elastomeric and or maintenance coating systems over existing asphalt shingles shall be in accordance with the shingle manufacturer’s approved installation instructions. {3814}

 

HVHZ

1521.17.1 Application of elastomeric and or maintenance coating systems over existing asphalt shingles shall be in accordance with the shingle manufacturer’s approved installation instructions.    {3799}

 

 

1521.18.1 No PUF and/or elastomeric coating systems shall be applied over existing composition shingles.

 

2010 Florida Building Code, Residential

(Non – HVHZ).

R905.15.3 Application. Liquid-applied roof coatings shall be installed according to this chapter and the manufacturer’s installation instructions.  The approved allowable uplift resistance for the liquid-applied coatings shall be equal to or greater than the uplift resistance for the roof based on Table R301.2(2).

HVHZ

R4402.10.17.1 Application of elastomeric and or maintenance coating systems over existing asphalt shingles shall be in accordance with the shingle manufacturer’s approved installation instructions.

 (3800)

 

R4402.10.18.1 No sprayed polyurethane foam (PUF) and/or elastomeric coating systems shall be applied over existing composition shingles.

 

 

________________________________________________________________________

 

2.         Compromise Language – Lower Cost regulatory Alternative:

 

1507.15.3. Roof Coating, Adhesives and Mastics.  Only elastomeric and/or other roof maintenance coating systems which meet the material standards set forth in this code and receive a product approval from the state authority having jurisdiction shall be entitled to be applied to new and existing asphalt or other composition shingles.

 

1517.17.1 Roof Coating, Adhesives and Mastics.  Only elastomeric and/or other roof coating systems which meet the material standards set forth in this code and receive a product approval from the Miami-Dade County shall be entitled to be applied to new and existing asphalt or other composition shingles.

 

1521.18.1 No PUF and/or elastomeric coating systems shall be applied over existing composition shingles.

 

4402.10.17.1 Roof Coating, Adhesives and Mastics.  Only elastomeric and/or other roof coating systems which meet the material standards set forth in this code and receive a product approval from the Miami-Dade County shall be entitled to be applied to new and existing asphalt or other composition shingles.

 

1521.18.1 No PUF and/or elastomeric coating systems shall be applied over existing composition shingles.

 

 

3.         Staff proposal as an alternative and as starting for the discussion:

 

1507.15.3 Roof Coating.  Application of elastomeric and or maintenance coating systems over existing asphalt shingles  roof coverings shall be in accordance with the shingle roof coating manufacturer’s approved installation instructions as demonstrated through testing to a specific roof substrate.

 

 

 

Note: we advise that this provision be moved to the Florida Building Code, Existing Building and the applicable Reroofing sections of the FBC.

 

 __________________________________________________________________________

 

In addition to the above summary, the following proposal was also suggested by one of the TAC members:

 

1507.15.3 Roof Coating.  Discontinuous roof systems are to remain discontinuous after the application of approved elastomeric and or maintenance coating systems.  When a roof system is changed from discontinuous to continuous due to the application of elastomeric and or

maintenance coating systems, the coating system shall be in accordance with the roof coating manufacturer’s approved installation instructions as demonstrated through testing to a specific roof substrate meeting the requirements of Sections 1506.2 and 1506.3.

 

 

TAC Action:

 

The TAC voted to affirm the current provisions as approved by the Commission under modifications 3814, 3799, and 3800.

 

4. Adjourned at 2:30 pm

 

Note:  This document is available to any person requiring materials in alternate format upon request.  Contact the Department of Community Affairs, 2555 Shumard Oak Boulevard, Tallahassee, Florida, 32399-2100 or call (850) 487-1824.

This document prepared by DCA.

Joe Bigelow – joe.bigelow@dca.state.fl.us  (850) 922-9160

Manager – Mo Madani – mo.madani@dca.state.fl.us, (850) 922-2247