What Is Roof Decking? How Does It Work
What Is Roof Decking? How Does It Work
What Is Roof Decking? How Does It Work
What Is Roof Decking? How Does It Work

High quality steel decking sheet

Roof decking is a vital component of every roof’s structural integrity. It also serves as a weather barrier. However, there are different types of decking to choose from depending on several factors. One type of decking may not fit every situation.

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Product Introduction

Product advantages

1.Cost-effective

Metal decking sheets are manufactured efficiently, which keeps their prices competitive.

2.Easy to install

Bundles of decking can be positioned by crane, and individual sheets can be installed by hand.

3.Fire-resistant

Deck sheets can be used to clad exterior walls, providing a fire-resistant barrier.

4.Weatherproof

Deck sheets are typically made from galvanized steel, which resists corrosion and rust.

5.Strong

Slabs made with steel decking have a high strength-to-weight ratio, which is beneficial for multi-storeyed buildings.

6.Aesthetic

Sheets can be produced in long lengths and colored from one side, which can give a roof an aesthetic look.

However, there are also some disadvantages to decking sheets, including:

7.Expansion and contraction

Expansion and contraction can cause pressure to build up around screw holes, leading to the boards cracking or warping.

8.Susceptible to mold

Composite deck boards contain wood, which can mold and rot when exposed to moisture.

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Precision production

Precision production

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Most Common Metal Roof Deck Gauges
Type	Gauge	Thickness / (in.")	(lbs. / ft²)	FM Span	SDI Max 1 Span	SDI Max 2 Span
1.5 B	16 (ga)	.0598	3.35	9'-6"	8'-10"	10'-5"
	18 (ga)	.0474	2.65	7'-5"	7'-9"	9'-1"
	20 (ga)	.0358	1.95	6'-6"	6'-5"	7'-6"
	22 (ga)	.0295	1.65	6'-0"	5'-9"	6'-9"

Type	Gauge	Thickness / (in.")	(lbs. / ft²)	FM Span	SDI Max 1 Span	SDI Max 2 Span
3.0 N	16 (ga)	.0598	4.15	16'-6"	17'-11"	20'-8"
	18 (ga)	.0474	3.25	14'-7"	15'-3"	18'-0"
	20 (ga)	.0358	2.45	12'-3"	12'-9"	15'-0"
	22 (ga)	.0295	2.05	10'-10"	11'-2"	13'-2"

FAQ

01.How much weight can the roof deck support?

The amount of weight a roof deck can support depends on the thickness of the deck, the spacing of the support beams and the materials used.

02.What is the role of a roof deck?

A roof deck is a crucial component of a roof that provides structure, insulation, and protection from water damage. It's installed over the rafters or trusses to create a level surface.

03.How do I install a roof over a roof deck?

After installing the roof deck, you should add the roof underlayment and then the roofing material. For proper installation, it's recommended to hire a reputable roofing company.

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Importance Of Roof Decking

High quality steel decking sheet

Product advantages

Our factory & product

Most Common Metal Roof Deck Gauges