image
image

Blog

Drywall Specs

SECTION 09250 – GYPSUM BOARD
Part 1 General
Section Includes
  • Gypsum Board And Accessories.

  • Interior Metal Framing Systems And Accessories.

Related Sections
  • Section 05400 – Cold Formed Metal Framing.

  • Section 06100 – Rough Carpentry; SPIBgrade-stamped wood studs for framing.

  • Section 07210 – Building Insulation.

  • Section 07240 – Exterior Insulation Finish System.

  • Section 07840 – Fire-Stopping.

  • Section 07910 – Joint Sealants.

  • Section 08310 – Access Doors and Panels.

  • Section 09215 – Gypsum Veneer Plaster.

  • Section 09253 – Gypsum Sheathing..

  • Section09265 – Gypsum Board Shaft Wall Assemblies..

  • Section 09900 – Painting.

References
American Society for Testing and Materials (ASTM):
  • ASTM C 473 – Standard Test Methods for Physical Testing of Gypsum Panel Products.

  • ASTM C 475 – Standard Specification for Joint Compound and Joint Tape for Finishing Gypsum Board.

  • ASTM C 514 – Standard Specification for Nails for the Application of Gypsum Board.

  • ASTM C 645 – Standard Specification for Nonstructural Steel Framing Members.

  • ASTM C 754 – Standard Specification for Installation of Steel Framing Members to Receive Screw-Attached Gypsum Panel Products.

  • ASTM C 840 – Standard Specification for Application and Finishing of Gypsum Board.

  • ASTM C 919 – Standard Practice for Use of Sealants in Acoustical Applications.

  • ASTM C 954 – Standard Specification for Steel Drill Screws for the Application of Gypsum Panel Products or Metal Plaster Bases to Steel Studs.

  • ASTM C 1002 – Standard Specification for Steel Self-Piercing Tapping Screws for the Application of Gypsum Panel Products or Metal Plaster Bases to Wood Studs or Steel Studs.

  • ASTM C 1047 – Standard Specification for Accessories for Gypsum Wallboard and Gypsum Veneer Base.

  • ASTM C 1280 – Standard Specification for Application of Gypsum Sheathing.

  • ASTM C 1396 – Standard Specification for Gypsum Board.

Gypsum Association (GA):
  • GA-214 – Recommended Levels of Gypsum Board Finish.

  • GA-216 – Application and Finishing of Gypsum Panel Products.

  • GA-253 – Application of Gypsum Sheathing.

  • GA-290 – Area Separation Walls.

  • GA-600 – Fire Resistance Design Manual.

Design Requirements
  • Metal framing: provide non-load bearing steel stud partitions with deflections conforming to l/360 at 15 psf (718 pa) for veneer plaster walls and l/240 at 5 psf (239 pa) typical for gypsum board walls.

  • Fire-resistive rating: where indicated on drawings, provide materials and construction that are identical to those assemblies whose fire resistance rating has been determined per astm e119 by a testing and inspecting organization acceptable to authorities having jurisdiction.

  • Meet or exceed fire resistance requirements outlined under provisions of the ga-600 fire resistance design manual for wall and ceiling assemblies.

  • Meet or exceed class a flame/fuel/smoke requirements of astm e 84 surface burning characteristics for finish materials.

  • Sound transmission characteristics: for gypsum board assemblies with stc ratings, provide materials and construction identical to those tested in assembly indicated according to astm e 90 and classified according to astm e 413 by a qualified independent testing agency.

  • Mold-resistant characteristics: rating of 10 according to astm d 3273 mold testing.

Submittals
  • Submit under provisions of Section 01300.

  • Product Data: Manufacturer’s data sheets on each product to be used, including:

  • Gypsum board, joint tape and finish.

  • Preparation instructions and recommendations.

  • Storage and handling requirements and recommendations.

  • Installation methods.

Shop Drawings
  • Indicate details associated with fireproofing and acoustical seals, opening locations and details, and opening termination details.

  • Selection Samples: For each finish product specified, two complete sets of color chips representing manufacturer’s full range of available colors and patterns.

  • Verification Samples: For each finish product specified, two samples, minimum size 6 inches (150 mm) square, representing actual product, color, and patterns.

Quality Assurance
  • Fire-resistance labeling: provide products labeled with third party certification stamp of fire-resistance characteristics, including itc, ul, and ulc as applicable.

  • Installer qualifications: perform work by company specializing in work of this section with minimum 3 years documented experience.

  • Mock-up: provide a mock-up for evaluation of surface preparation techniques and application workmanship.

  • Finish areas designated by architect.

  • Do not proceed with remaining work until workmanship, color, and sheen are approved by architect.

  • Refinish mock-up area as required to produce acceptable work.

Delivery, Storage, And Handling
  • Store products inside under cover and keep them dry and protected against damage from weather, direct sunlight, surface contamination, corrosion, construction traffic, and other damaging causes.

  • Neatly stack gypsum boards flat to prevent sagging.

  • Handle gypsum boards to prevent damage to edges, ends, and surfaces.

  • Protect adhesives and joint compounds from freezing or overheating per manufacturer Comments Off

CA Contractors Lic No. 395715

Insurance Certificate

Diamond Cabinets

 Remodeling and Home Design

 

Get our free Report

"The Top 14 Questions to Ask Yourself When Selecting a Contractor"

Randal's Book