GTS Builders Supply Inc.

Since 1968

4701 Veterans Hwy. Holbrook, NY

631-585-7171

Fully Stocked Lumber & Mason Yard

23,165
Thousands of items in stock in our store and 3 acre yard !

GTS Builders Supply Inc. 2010

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Plywoods from 1/4" to 3/4"-

  • Exterior, Sanded one side, T & G
  • Pine, Fir, and Treated Plywood  

Douglas Fir Lumber-

  • 2" x 3" (8', 10', 12')
  • 2" x 4"  ( 8' thru 20')   8' & 9' pre-cuts
  • 2" x 6"  (8' thru 20')    8' & 9' pre-cuts
  • 2" x 8"    ( 8' thru 24')
  • 2" x 10"  ( 10' thru 24')
  • 2" x 12"  ( 10' thru 20')
  • 4 x 4 x 8'

Hardware, Fasteners, Tools

Engineered Lumber / Anthony Power Beams / L.V.L. -

  • 1 3/4" x 7 1/4", 9 1/2", 11 7/8", 14", 16", 18"  in stock
  • Tecos 

 Better Header Beams -

  • Allow 4 days for delivery.

 MCA Treated Lumber

  • 2 x 4 & 2 x 6  #1 grade  8' thru 20'
  • 2 x 8 , 2 x 10 , 2 x 12  #2 grade  8' thru 20'
  • 4 x 4 Log stock in 8' , 10' , 12'  and 16'
  • 5/4 x 4 x 10', 12', 16'  ;   1 x 4 #1 x 8' , 12' , 16'  ;  1 x 6 #1  x 12'
  • 5/4 x 6 Premium Decking in 8' , 10' , 12' , 14' , and 16'
  • 2 x 2 x 8' #1  ;  2 x 2 x 42" beveled one side

MCA Treated Landscape Ties-

  • Dressed (smooth)  4 x 6 x 8' , 10' , 12' , and 16'
  • Dressed (smooth)  6 x 6 x 8' , 10' , 12' , and 16'
  • Dressed (smooth)  6 x 8 x 8' only
  • Dressed (smooth)  8 x 8 x 8' only

Primed Pine, Eastern White Pine-

  • E.W.P.  1 x 4 , 1 x 6 , 1 x 8 , 1 x 12  -  8' thru 16' lengths
  • Primed Pine in 1 x 4  thru  1x 12  -  16' Lengths only

Spruce-

  • 1 x 4 in 12' & 16'
  • 5/4 x 3 in 12'
  • 2 x 2 in 8'
  • 1 x 2 in 8' & 12'
  • 1 x 3 in 10'
  • Rough Sawn 2 x 9 x 10' & 13' Planks

Toung & Groove 1" x 6" ( Pine and Cedar )

Azek-

  • 1x4, 1x6, 1x8, 1x10, 1x12, 5/4x4 -  12' & 18' Lengths
  • Other sizes available by special order

Sheetrock-

  • 1/4"  &  3/8"  in  4' x 8' only
  • 1/2" Regular in 4' x 8' , 10' , & 12'
  • 1/2" Mold Tough in 4' x 8' only
  • 5/8" Fire Code  in  4' x 8', 10', & 12'
  • 5/8" Mold Tough in 4' x 8' only
  • Cornerbead in 8', 9', 10'
  • Metal J-Bead in 1/2" & 5/8"
  • Archway Corner bead
  • USG Joint Tape
  • Straight Flex Tape
  • Arch Flex Tape
  • Easy Sand 5, 20, 45, 90 Minute
  • Proform Joint Compound

Durock-

  • 1/2" x 3' x 5'
  • 1/2" x 4' x 8'
  • 1/2" x 3' x 5' in Hardie Backer Board

Steel Studs and Track (20 and 25 gauge)-

  • 1 5/8", 2 1/2", 3 5/8", 6"  in 25 Ga.
  • 3 5/8" in 20 Ga. only 

Fiberglass Insulation-

  • R-13, R-15, R-19 in 15" and 23" Kraft Faced Batts
  • R-30 in 16" x 48" Batts
  • R-19 Un-Faced 15" x 94" Batts
  • Kraft Face for 2 x 4, 2 x 6 walls

Interior 6 Panel White Masonite Doors-

  • 24", 30", 32", 36" Pre-Hung
  • 24", 30", 36" Door Only
 Building Materials
Doug Fir, MCA Treated Lumber, Landscape TiesBetter Header BeamsCall ahead, we'll get your order ready!Fiberglass InsulationScrews, Bolts, Nuts, Washers, Lags, Galvanized