Best Materials Roofing Supplies

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Discount Roofing Screws & Plates for Low Slope Roofingroofing screws, insulation board screws and plates

We inventory all sizes of low slope / flat commercial roofing screws, stress plates and accessories for mechanically fastening TPO, PVC, EPDM or SBS to metal, wood or lightweight concrete substrates. Our fasteners are FM and Metro Dade/ Dade County approved. They are made by the industries leading manufacturers and have the best warranties.

Screws List: We have roofing screws in every length for all applications including 12 gauge, 12 gauge hex head, 14 gauge, 15 gauge, K-Fast Flathead and belted fasterners. See our Full Product Catalog and Selection Helper for help. Also we have screws & plates for lightweight concrete, Purlin fasteners/plates and concrete screws.

Stress Plates: We have stress plates for all types of requirements: membrane plates, insulation board plates, belted plates, pre-assembled plates, seam plates, Tectum plates, lightweight concrete plates and more. All shapes: Hex, Round, Oval and Square shapes.

Termination Bar and Batten Bar: All types and grades for every application.

Our roofing screws, plates and termination bar products are compatible with all major roofing systems including: Carlisle, Dekfast, Durolast, Fibertite, Firestone, GAF, GenFlex, IB Roofing, JM, Sarnafil, Siplast, Soprema, Tamko, Versico and Weatherbond.

Cross Reference Tables: Mfg. Spec's, Screw Part #, Plates, Termination Bar and Batten Bar.DEKFAST LOW SLOPE ROOFING SCREWS

 

We'll drop ship your order anywhere. Call us for our special pallet quantity pricing.

 

Questions? We love to help.
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sales@bestmaterials.com
Or call 1-800-474-7570
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Low Slope Commercial Roofing Screw/Plate Selection Guide

PRODUCTS AND PRICING:

 
 
SCREWS:
   Belted Fasteners
   Table of SizesRoofing Insulation Stress Plates, all kinds
   Roofing Insulation & Membrane Screws
 
PLATES:
   Insulation Plates (2.75 to 3")
   Membrane Plates & Seam Plates (2 to 2.5")

TERMINATION BAR / BATTEN BAR:
  Termination Bar, Batten Bar
Roofing Membrane Stress Plates, All Kinds
 
SIMILAR AND RELATED ITEMS:
   Base Sheet Fasteners
   EPDM Products
   Insulation Board Adhesives (Instastik foam adhesive)
   Insulation Board Fasteners for Lightweight concrete, Tectum
   Hot Air Welders
   Screw Guns / Drivers
   Peel Rivets (for greater pull outs in light gauge and problematic decks)
   TPO / PVC ProductsIsofast Belted Fasteners Tool, Available for large jobs
 
PRODUCT DATA SHEETS & SPECS:
   12 gauge
   12 gauge hex head
   14 gauge
   15 gauge
   K-Fast Flathead
   Product Catalog, All Item and Accessories
   Selection guide
 
ROOFING SCREW AND PLATE DESIGN/SELECTION:

Commercial / low-slope roofing screws and plates are all made similarly. Most roofing fabric suppliers purchase screws and plates from companies like SFS, OMG or Trufast and have them private labeled. We have a handy cross reference table for both the parts and specifications. Our products meet all cross-reference specifications Here is a good guide to Low Slope Commercial Roofing Screw/Plate Selection.

Roofing Screw Design: There are two head designs (truss and HWH) and several wire sizes available (12, 14, 15 and 21). Finishes are all high-performance polymers, or stainless steel screws are available.

Roof Stress Plate Design: Smaller plates, 2 to 2-1/2 inches are for membrane and seams. Larger plates, 2-3/4 to 3" are for insulation board. Plates are design to fit the roofing screw wire size (12, 14, 15 or 21 gauge), and the head design (truss / Phillips head and hex-washer head. The HWH screws are taller and need special HWH recessed plates to match. Plastic plates are also available, as well as stainless steel plates. Seam Plates: These 2-3/8" barbed galvalume plates used for the mechanical  attachment of TPO or other reinforced membranes to 22-gauge steel, wood or structural concrete decks, generally using a #14 All-Purpose Fasteners.

Batten Bar Design: Batten Bar is used to secure single-ply membrane to Gypsum, Tectum and Lightweight Concrete Decks. Batten bar is 1" wide and available in galvalume coated 18 gauge steel, or 40-50 mil polymer. Countersunk holes are punched with a standard spacing of 3 to 6". Polymer bar is packaging in 250 foot coils with non-countersunk holes.


SCREWS FOR LOW SLOPE ROOFING:

 

  #10 sharp #12 #12 Hex #14 #14 SS #15
1-1/4       Y   Y
1-1/2         Y  
1-5/8 Y Y        
1-3/4            
2 Y Y Y
2-1/4 Y Y        
2-7/8 Y Y        
3       Y Y Y
3-1/4 Y          
3-3/4 Y Y        
4       Y Y Y
4-1/2 Y Y        
5   Y   Y Y Y
6   Y   Y Y Y
7   Y   Y Y Y
8   Y   Y   Y
9       Y   Y
10       Y Y Y
11       Y   Y
12       Y Y Y
14           Y
16           Y
18           Y
20           Y
22           Y
24           Y
26           Y
             
 
 
POPULAR STRESS PLATES FOR INSULATION AND MEMBRANE:
info coming soon
 
POPULAR TERMINATION AND BATTER BAR:
info coming soon
 
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