SKU: 40421034020

U.S. Gypsum Securock Gypsum-Fiber Roof Board, 1/4 in. x 4 ft. x 4 ft.

Sale price$14.12 Regular price$15.69
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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4

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Description

U.S. Gypsum Securock Gypsum-Fiber Roof Board, 1/4 in. x 4 ft. x 4 ft.Securock 1 4 in Gypsum Fiber Roof Board (4x4) High performance USG Securock gypsum fiber roof board engineered for low slope roofing systems. Its fiber reinforced, uniform core delivers strength, water resistance, and reliable adhesion across adhered systems. Key Features: Fiber Reinforced Strength: Uniform composition provides durability through the core with no facer to delaminate Low Water Absorption: Designed for superior bond and reduced moisture

Securock 1/4-in Gypsum-Fiber Roof Board (4x4)

High-performance USG Securock gypsum-fiber roof board engineered for low-slope roofing systems. Its fiber-reinforced, uniform core delivers strength, water resistance, and reliable adhesion across adhered systems.


Key Features:

  • Fiber-Reinforced Strength: Uniform composition provides durability through the core with no facer to delaminate
  • Low Water Absorption: Designed for superior bond and reduced moisture uptake in adhered roofing systems
  • High Wind-Uplift Ratings: Consistent core construction supports robust performance in approved assemblies
  • Sustainable Content: Manufactured with 97% recycled material for environmentally conscious projects
  • Versatile Compatibility: Suitable for single-ply, fluid-applied, spray foam, built-up, metal, and modified bitumen roofs

Please check the Product Data Sheet Here


Specifications Table:

Specification Details
Thickness 1/4 in (6.4 mm)
Length 4 ft (1220 mm)
Width 4 ft (1220 mm)
Material Gypsum-fiber (facer-free, fiber-reinforced uniform composition)
Certifications/Approvals UL Classified; FM Approved; LEED; SCS Global Services Certified
Standards ASTM D3273; ASTM C1278; ASTM E84
Intended Use High-performance roof board for low-slope roofing systems
Compatible Roofing Systems Single-ply; Fluid-applied; Spray foam; Built-up; Metal; Modified bitumen
Recycled Content 97% recycled material
Item Weight 27 lb per sheet
Style Roofing Insulation
Manufacturer Product Number USG14SR4GF
Manufacturer Number 61050410

Frequently Asked Questions (FAQ):

Q: What roofing systems is this board compatible with?
A: Single-ply, fluid-applied, spray foam, built-up, metal, and modified bitumen systems.


Q: Is the board moisture resistant?
A: Yes. Its uniform gypsum-fiber core provides water resistance and low absorption to enhance adhesion.


Q: Does it have third-party approvals?
A: Yes. It is UL Classified and FM Approved, and meets ASTM D3273, ASTM C1278, and ASTM E84; also recognized for LEED and SCS certifications.


Q: What are the panel dimensions and thickness?
A: 1/4 inch thick, 4 feet by 4 feet.


Q: What is the weight of a sheet?
A: Approximately 27 lb per sheet.


Quiet Strength for Confident Roof Design

This gypsum‑fiber board brings a refined rigor to the roofscape—sleek, understated, and unwavering. The uniform, facer‑free core is the hero, ensuring a smooth, resilient substrate that performs beautifully beneath any membrane. Pair it with clean metal edge details and a monochrome membrane for a crisp, architectural silhouette. It’s an essential layer of stability and poise for truly elevated, modern envelopes.


Choose Securock Gypsum-Fiber Roof Board today for a strong, moisture-resistant substrate that elevates performance across your low-slope roofing system.

Warranty

Installation

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 40421034020

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Nicole S.
Draper, US
★★★★★ 3
Missing items
Color: Sky Blue, Size: 16
Was missing the tie that is supposed to come with it and it looked like it was tried on and thrown back in the bag. The sleeve to the jacket were rolled up.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 7, 2025
A
Alley Cat on a Homestead
Belleville, US
★★★★★ 5
Excellent Quality, Great Value, Great Look. Highly Recommend
Very well-made, there are some minor imperfections in the cuff sewing that aren't really noticeable when on. Liner is quality, color is spot on, and it fits true to size. If you're in the market for a toddler blazer and pants, you can't go wrong with this one in terms of quality, price, and the cut is perfect for a very polished look. There were a few loose strings to be clipped, but everything was correctly sewn and well. None of them affected the seam strength. The pants have a button and elastic on the waistband to make adjusting the waist size easier.
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Reviewed in the United States on November 14, 2025
A
Amazon Customer
Draper, US
★★★★★ 5
Great boys slim fit suit for weddings, church, or special events
Color: Medium Grey, Size: 12
Great kids suit. Comes with a jacket, pants, and tie. Does not have a shirt. Fits as expected. Classic cut on the lapels. Great quality materials. Well made pants and jacket. The color is consistent without any fade or dark spots that can happen with lower quality fabrics. Looks great on. My son loves it. Says it is not restrictive, he can move easily in it. Highly recommend for church, special events, weddings, etc.
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Reviewed in the United States on October 22, 2025
M
Mommynificent
San Leandro, US
★★★★★ 5
Nice high-quality, light weight suit for a tween!
Color: Navy Blue, Size: 10
This is such an attractive suit for a tween boy! My son loves dressing up, and this is his new favorite suit. He really likes the double-breasted style and the light weight of the fabric so that it isn't too hot. The tie that came with it gives major Harry Potter vibes which we weren't expecting, but he has lots of other ties that he also enjoys pairing with it. The size seems right, and it fits him well. He says it is very comfortable. I'm happy with the quality and the navy color.
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Reviewed in the United States on October 14, 2025
A
A. Beauto
Bozeman, US
★★★★★ 5
Stylish and great value!
Color: Medium Grey, Size: 14
This grey suit was a great find for a school ceremony and will definitely be used again. The neutral color makes it easy to pair with different shirts and ties, and it has a modern, clean-cut look. The jacket and pants fit nicely after a quick press, and the quality was better than I expected for the price. It lost a star only because the waist on the pants needed a slight adjustment, but overall, we’re very happy with it!
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Reviewed in the United States on October 10, 2025

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