Manufacturer and supplier of roof products and accessories for the metal building industry since 1964

Security Bars

SteelGuard Security Bars

SteelGuard security bars can be added to any curb or smoke ventilator order and will be sized to ensure compatibility. Heavy duty solid steel bars are welded to L-Bracket frame for ease of installation. Three options are provided, each representing an additional level of strength in design.

  • Description
  • Model Guide
  • Sizes and Weights
  • Documents


SteelGuard Security Bars to be installed prior to skylight or smoke vent, designed to nest at bottom of curb opening.

Material Bars: Minimum 1/2″ Steel Round
Mounting Angles: 14 GA Galvanized Steel
Dimensions Bars spaced maximum 5″ O.C.
Mounting Angles 1-1/2″ x 1-1/2″ standard
SB-1: bars span short dimension at max 5″ O.C.
SB-2: bars span short dimension at max 5″ O.C.and long dimension at (2) 16″ O.C.
SB-3: bars span short & long dimension at max 5″ O.C.
Finish Galvanized Mill or White Powder Coat
Custom Colors Available
Warranty 1 Year

SteelGuard Security Bars Model Guide

Model Type WxL Type
SGRD 1: 5′ O.C. Spacing
2: 5″ x 16″ Grid
3: 5″ x 12″ Grid
 ML: Galvanized Steel Mill Finish
WT: White Powder Coat
PC: Powder Coat (Custom Color)
KR: Kynar (Custom Color)

Example: SGRD-1-4896-WT

Standard Sizes And Shipping Weights

Inside Curb Opening SGRD-1 SGRD-2 SGRD-3
48″ x 48″ 38 LBS 41 LBS 45 LBS
48″ x 96″ 75 LBS 82 LBS 90 LBS
24″ x 48″ 19 LBS 21 LBS 24 LBS
24″ X 120″ 47 LBS 52 LBS 57 LBS
32″ x 120″ 63 LBS 70 LBS 77 LBS
36″ x 120″ 70 LBS 77 LBS 85 LBS


Product Description Model Submittal Specifications Installation
SteelGuard 5″ Parallel SGRD – 1 PDF WORD PDF
SteelGuard 5″ x 16″ Grid SGRD – 2 PDF WORD PDF
SteelGuard 5″ x 5″ Grid SGRD – 3 PDF WORD PDF

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R&S manufactures a vast array of products to fit your project needs. We aim to supply all of your metal building roof accessory needs, not just one product. Why go to multiple vendors when R&S can supply it all?